./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/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_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 866342b97e5be917007cb97e07a0644c7c9d2aa9b428c32cf026d727d672a191 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:55:05,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:55:05,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:55:05,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:55:05,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:55:05,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:55:05,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:55:05,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:55:05,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:55:05,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:55:05,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:55:05,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:55:05,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:55:05,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:55:05,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:55:05,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:55:05,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:55:05,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:55:05,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:55:05,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:55:05,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:55:05,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:55:05,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:55:05,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:55:05,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:55:05,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:55:05,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:55:05,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:55:05,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:55:05,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:55:05,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:55:05,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:55:05,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:55:05,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:55:05,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:55:05,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:55:05,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:55:05,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:55:05,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:55:05,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:55:05,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:55:05,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:55:05,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:55:05,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:55:05,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:55:05,915 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:55:05,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:55:05,915 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:55:05,915 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:55:05,916 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:55:05,923 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:55:05,924 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:55:05,925 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:55:05,925 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:55:05,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:55:05,926 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:55:05,926 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:55:05,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:55:05,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:55:05,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:55:05,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:55:05,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:55:05,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:55:05,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:55:05,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:55:05,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:55:05,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:55:05,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:55:05,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:55:05,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:55:05,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:55:05,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:55:05,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:55:05,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:55:05,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:55:05,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:55:05,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:55:05,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:55:05,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:55:05,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:55:05,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:55:05,936 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_2085228d-3e0f-4058-8031-9a455a65c251/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 866342b97e5be917007cb97e07a0644c7c9d2aa9b428c32cf026d727d672a191 [2021-11-07 00:55:06,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:55:06,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:55:06,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:55:06,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:55:06,327 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:55:06,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/loop-acceleration/array_2-2.i [2021-11-07 00:55:06,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/data/bd343fc03/c3189386c58a4e289979d6a13dde2396/FLAGa6e97cd82 [2021-11-07 00:55:06,943 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:55:06,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/sv-benchmarks/c/loop-acceleration/array_2-2.i [2021-11-07 00:55:06,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/data/bd343fc03/c3189386c58a4e289979d6a13dde2396/FLAGa6e97cd82 [2021-11-07 00:55:07,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/data/bd343fc03/c3189386c58a4e289979d6a13dde2396 [2021-11-07 00:55:07,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:55:07,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:55:07,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:55:07,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:55:07,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:55:07,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c4ee5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07, skipping insertion in model container [2021-11-07 00:55:07,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:55:07,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:55:07,433 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_2085228d-3e0f-4058-8031-9a455a65c251/sv-benchmarks/c/loop-acceleration/array_2-2.i[849,862] [2021-11-07 00:55:07,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:07,456 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:55:07,470 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_2085228d-3e0f-4058-8031-9a455a65c251/sv-benchmarks/c/loop-acceleration/array_2-2.i[849,862] [2021-11-07 00:55:07,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:07,493 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:55:07,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07 WrapperNode [2021-11-07 00:55:07,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:55:07,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:55:07,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:55:07,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:55:07,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:55:07,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:55:07,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:55:07,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:55:07,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:55:07,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:55:07,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:55:07,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:55:07,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (1/1) ... [2021-11-07 00:55:07,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:55:07,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:07,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:55:07,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:55:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:55:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:55:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:55:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:55:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:55:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:55:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:55:07,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:55:07,996 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-07 00:55:07,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:55:07 BoogieIcfgContainer [2021-11-07 00:55:07,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:55:08,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:55:08,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:55:08,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:55:08,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:55:07" (1/3) ... [2021-11-07 00:55:08,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e7796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:55:08, skipping insertion in model container [2021-11-07 00:55:08,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:07" (2/3) ... [2021-11-07 00:55:08,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e7796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:55:08, skipping insertion in model container [2021-11-07 00:55:08,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:55:07" (3/3) ... [2021-11-07 00:55:08,009 INFO L111 eAbstractionObserver]: Analyzing ICFG array_2-2.i [2021-11-07 00:55:08,015 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:55:08,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 00:55:08,111 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:55:08,122 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:55:08,123 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 00:55:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 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 00:55:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 00:55:08,156 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:08,157 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 00:55:08,157 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:08,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:08,163 INFO L85 PathProgramCache]: Analyzing trace with hash 72740109, now seen corresponding path program 1 times [2021-11-07 00:55:08,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:55:08,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949568016] [2021-11-07 00:55:08,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:08,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:55:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:08,350 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 00:55:08,351 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:55:08,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949568016] [2021-11-07 00:55:08,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949568016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:08,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:55:08,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:55:08,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454002699] [2021-11-07 00:55:08,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:55:08,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:55:08,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:55:08,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:55:08,378 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 00:55:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:08,408 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2021-11-07 00:55:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:55:08,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 00:55:08,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:08,418 INFO L225 Difference]: With dead ends: 16 [2021-11-07 00:55:08,419 INFO L226 Difference]: Without dead ends: 8 [2021-11-07 00:55:08,421 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 00:55:08,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-07 00:55:08,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-07 00:55:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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 00:55:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-07 00:55:08,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2021-11-07 00:55:08,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:08,453 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-07 00:55:08,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 00:55:08,454 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-07 00:55:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 00:55:08,454 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:08,454 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:08,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:55:08,455 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:08,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:08,469 INFO L85 PathProgramCache]: Analyzing trace with hash 957045146, now seen corresponding path program 1 times [2021-11-07 00:55:08,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:55:08,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013042731] [2021-11-07 00:55:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:08,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:55:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 00:55:08,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:55:08,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013042731] [2021-11-07 00:55:08,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013042731] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:55:08,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095468046] [2021-11-07 00:55:08,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:08,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:08,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:08,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:55:08,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 00:55:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:08,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:55:08,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 00:55:08,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 00:55:08,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095468046] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:08,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1396854594] [2021-11-07 00:55:08,780 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-07 00:55:08,780 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:55:08,799 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:55:08,818 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:55:08,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:55:08,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:08,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:08,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:08,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 00:55:08,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:08,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:08,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:08,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:55:08,983 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_25|]} [2021-11-07 00:55:09,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,052 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 00:55:09,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:09,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:09,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:09,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:09,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,226 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 00:55:09,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 00:55:09,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:09,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:09,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:09,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:09,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 00:55:09,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:09,316 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 00:55:09,336 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:55:09,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:09,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:09,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 00:55:09,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 00:55:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 00:55:09,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:09,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:09,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:09,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:09,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 00:55:09,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:09,557 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 00:55:09,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:09,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:09,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:09,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:09,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 00:55:09,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 00:55:09,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 00:55:09,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 00:55:09,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 00:55:09,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 00:55:09,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 00:55:09,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:09,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:09,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:09,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:09,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 00:55:09,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 00:55:09,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:09,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:09,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 00:55:09,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 00:55:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:10,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 00:55:10,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 00:55:10,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 00:55:10,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:10,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 00:55:10,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:10,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:10,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,131 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 00:55:10,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 00:55:10,142 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:10,143 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 00:55:10,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,246 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 00:55:10,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:10,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:10,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:10,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:10,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:10,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:10,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:10,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:10,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:10,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:10,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:10,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 00:55:10,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:10,337 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 00:55:10,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 00:55:10,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:10,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:10,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:10,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 00:55:10,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,366 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 00:55:10,375 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-07 00:55:10,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:10,386 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 00:55:10,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:10,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 00:55:10,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:10,418 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:10,418 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 29 treesize of output 28 [2021-11-07 00:55:10,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:10,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:10,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-07 00:55:10,433 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,434 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2021-11-07 00:55:10,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 00:55:10,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 00:55:10,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:10,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:55:10,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 00:55:10,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 00:55:10,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:10,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:10,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:10,556 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 00:55:10,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55 [2021-11-07 00:55:10,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 00:55:10,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 00:55:10,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:10,588 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:10,588 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 29 treesize of output 28 [2021-11-07 00:55:10,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:10,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:10,593 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,615 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.1 percent of original size [2021-11-07 00:55:10,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 00:55:10,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:10,618 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:240, output treesize:144 [2021-11-07 00:55:10,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,672 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 00:55:10,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:10,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:10,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-07 00:55:10,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:10,701 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:10,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-07 00:55:10,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:10,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:10,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:10,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:10,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 00:55:10,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:10,712 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 00:55:10,721 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:55:11,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:55:11,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:55:11,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 00:55:11,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369966387] [2021-11-07 00:55:11,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 00:55:11,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:55:11,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 00:55:11,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-07 00:55:11,054 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:11,092 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2021-11-07 00:55:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:55:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 00:55:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:11,094 INFO L225 Difference]: With dead ends: 19 [2021-11-07 00:55:11,094 INFO L226 Difference]: Without dead ends: 14 [2021-11-07 00:55:11,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-07 00:55:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-07 00:55:11,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-07 00:55:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-11-07 00:55:11,099 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2021-11-07 00:55:11,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:11,099 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-11-07 00:55:11,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-11-07 00:55:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 00:55:11,100 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:11,101 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1] [2021-11-07 00:55:11,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:11,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:11,316 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:11,317 INFO L85 PathProgramCache]: Analyzing trace with hash 104061389, now seen corresponding path program 2 times [2021-11-07 00:55:11,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:55:11,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622267643] [2021-11-07 00:55:11,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:11,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:55:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 00:55:11,473 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:55:11,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622267643] [2021-11-07 00:55:11,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622267643] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:55:11,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017090751] [2021-11-07 00:55:11,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 00:55:11,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:11,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:11,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:55:11,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 00:55:11,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 00:55:11,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:55:11,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:55:11,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 00:55:11,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 00:55:11,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017090751] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:11,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [642698261] [2021-11-07 00:55:11,766 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-07 00:55:11,767 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:55:11,767 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:55:11,767 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:55:11,768 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:55:11,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 00:55:11,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:11,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:55:11,794 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_26|]} [2021-11-07 00:55:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,815 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 00:55:11,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:11,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:11,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:11,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:11,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,890 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 00:55:11,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 00:55:11,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:11,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:11,899 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:11,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:11,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 00:55:11,919 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:11,919 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 00:55:11,924 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:55:11,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:11,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:11,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:11,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:11,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:11,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:11,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:11,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 00:55:11,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 00:55:11,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:11,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 00:55:11,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:11,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:11,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:11,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:11,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:11,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 00:55:12,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,002 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 00:55:12,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:12,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 00:55:12,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 00:55:12,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 00:55:12,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 00:55:12,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 00:55:12,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 00:55:12,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 00:55:12,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:12,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:12,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 00:55:12,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 00:55:12,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 00:55:12,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 00:55:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 00:55:12,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 00:55:12,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 00:55:12,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 00:55:12,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:12,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:12,336 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,395 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 00:55:12,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 00:55:12,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:12,404 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 00:55:12,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,476 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 00:55:12,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:12,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:12,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:12,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:12,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:12,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:12,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:12,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:12,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 00:55:12,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:12,524 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 00:55:12,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 00:55:12,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:12,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:12,528 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:12,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 00:55:12,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,550 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 00:55:12,555 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-07 00:55:12,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:12,560 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 00:55:12,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:55:12,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 00:55:12,584 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:55:12,584 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 19 treesize of output 18 [2021-11-07 00:55:12,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:12,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:12,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:12,593 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,593 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2021-11-07 00:55:12,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-07 00:55:12,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 00:55:12,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:12,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-07 00:55:12,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 00:55:12,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-07 00:55:12,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:12,669 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:12,670 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 29 treesize of output 28 [2021-11-07 00:55:12,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:12,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:12,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:12,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:12,700 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 00:55:12,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 00:55:12,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:12,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:12,705 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,725 INFO L180 QuantifierPusher]: treesize reduction 88, result has 60.4 percent of original size [2021-11-07 00:55:12,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 00:55:12,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:12,727 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:230, output treesize:134 [2021-11-07 00:55:12,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,766 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 00:55:12,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:12,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:12,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-07 00:55:12,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:12,791 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:12,791 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 29 treesize of output 28 [2021-11-07 00:55:12,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:12,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:12,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:12,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:12,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 00:55:12,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:12,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 00:55:12,810 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:55:13,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:55:13,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:55:13,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2021-11-07 00:55:13,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527089744] [2021-11-07 00:55:13,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 00:55:13,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:55:13,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 00:55:13,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2021-11-07 00:55:13,149 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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 00:55:13,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:13,223 INFO L93 Difference]: Finished difference Result 34 states and 47 transitions. [2021-11-07 00:55:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 00:55:13,224 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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 13 [2021-11-07 00:55:13,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:13,225 INFO L225 Difference]: With dead ends: 34 [2021-11-07 00:55:13,225 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 00:55:13,226 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2021-11-07 00:55:13,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 00:55:13,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-07 00:55:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 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 00:55:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-11-07 00:55:13,231 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 13 [2021-11-07 00:55:13,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:13,232 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-11-07 00:55:13,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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 00:55:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-07 00:55:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 00:55:13,233 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:13,234 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1] [2021-11-07 00:55:13,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:13,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable29 [2021-11-07 00:55:13,434 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:13,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:13,435 INFO L85 PathProgramCache]: Analyzing trace with hash 777265389, now seen corresponding path program 3 times [2021-11-07 00:55:13,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:55:13,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288581216] [2021-11-07 00:55:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:13,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:55:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 00:55:13,687 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:55:13,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288581216] [2021-11-07 00:55:13,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288581216] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:55:13,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609386483] [2021-11-07 00:55:13,688 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 00:55:13,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:13,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:13,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:55:13,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 00:55:13,784 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 00:55:13,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:55:13,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 00:55:13,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 00:55:13,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 00:55:14,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609386483] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:14,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [445796044] [2021-11-07 00:55:14,160 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-07 00:55:14,161 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:55:14,161 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:55:14,161 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:55:14,161 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:55:14,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 00:55:14,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:14,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:55:14,186 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_27|]} [2021-11-07 00:55:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,204 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 00:55:14,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:14,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:14,207 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,254 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 00:55:14,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 00:55:14,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:14,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:14,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 00:55:14,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,273 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 00:55:14,279 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:55:14,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 00:55:14,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:55:14,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:14,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:14,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:14,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:14,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:14,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 00:55:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 00:55:14,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:14,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:14,334 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 00:55:14,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,349 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 00:55:14,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 00:55:14,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:14,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 00:55:14,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 00:55:14,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 00:55:14,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:14,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:14,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 00:55:14,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 00:55:14,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:55:14,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 00:55:14,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:55:14,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 00:55:14,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 00:55:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 00:55:14,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:14,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:14,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 00:55:14,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 00:55:14,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 00:55:14,620 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,678 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 00:55:14,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 00:55:14,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:14,693 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 00:55:14,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,770 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 00:55:14,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:14,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:14,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:14,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:14,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:14,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:14,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:14,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:14,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 00:55:14,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:14,826 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 00:55:14,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 00:55:14,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:14,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:14,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:14,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 00:55:14,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,846 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 00:55:14,850 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-07 00:55:14,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:14,855 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 00:55:14,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:55:14,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 00:55:14,872 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:55:14,873 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 19 treesize of output 18 [2021-11-07 00:55:14,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:14,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:14,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:14,880 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,881 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2021-11-07 00:55:14,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:14,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-07 00:55:14,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 00:55:14,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:14,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-07 00:55:14,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:14,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 00:55:14,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-07 00:55:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:14,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:14,970 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 00:55:14,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 00:55:14,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:14,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:14,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:14,993 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:14,993 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 29 treesize of output 28 [2021-11-07 00:55:14,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:14,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:14,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:14,996 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:14,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:15,014 INFO L180 QuantifierPusher]: treesize reduction 88, result has 60.4 percent of original size [2021-11-07 00:55:15,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 00:55:15,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:15,017 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:230, output treesize:134 [2021-11-07 00:55:15,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,048 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 00:55:15,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:15,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:15,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:15,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-07 00:55:15,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:15,068 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:15,068 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 29 treesize of output 28 [2021-11-07 00:55:15,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:15,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:15,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:15,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:15,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:15,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:15,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:15,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 00:55:15,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:15,077 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 00:55:15,084 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:55:15,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:55:15,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:55:15,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2021-11-07 00:55:15,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878240843] [2021-11-07 00:55:15,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 00:55:15,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:55:15,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 00:55:15,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=447, Unknown=0, NotChecked=0, Total=756 [2021-11-07 00:55:15,397 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:15,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:15,548 INFO L93 Difference]: Finished difference Result 64 states and 89 transitions. [2021-11-07 00:55:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 00:55:15,549 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 00:55:15,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:15,551 INFO L225 Difference]: With dead ends: 64 [2021-11-07 00:55:15,551 INFO L226 Difference]: Without dead ends: 50 [2021-11-07 00:55:15,553 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=309, Invalid=447, Unknown=0, NotChecked=0, Total=756 [2021-11-07 00:55:15,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-07 00:55:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-07 00:55:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 49 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2021-11-07 00:55:15,569 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 25 [2021-11-07 00:55:15,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:15,569 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2021-11-07 00:55:15,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:15,570 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2021-11-07 00:55:15,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 00:55:15,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:15,572 INFO L513 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1] [2021-11-07 00:55:15,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:15,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:15,788 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:15,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:15,788 INFO L85 PathProgramCache]: Analyzing trace with hash -787343571, now seen corresponding path program 4 times [2021-11-07 00:55:15,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:55:15,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23833598] [2021-11-07 00:55:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:15,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:55:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-07 00:55:16,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:55:16,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23833598] [2021-11-07 00:55:16,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23833598] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:55:16,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857447384] [2021-11-07 00:55:16,211 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 00:55:16,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:16,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:16,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:55:16,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 00:55:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:16,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 00:55:16,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-07 00:55:16,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-07 00:55:17,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857447384] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:17,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [15399464] [2021-11-07 00:55:17,381 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-07 00:55:17,381 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:55:17,381 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:55:17,381 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:55:17,381 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:55:17,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 00:55:17,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 00:55:17,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:55:17,406 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_28|]} [2021-11-07 00:55:17,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,425 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 00:55:17,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:17,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:55:17,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,472 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 00:55:17,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 00:55:17,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:17,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:55:17,477 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 00:55:17,485 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,486 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 00:55:17,490 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:55:17,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:17,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:17,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 00:55:17,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:55:17,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:55:17,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:17,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:17,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 00:55:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 00:55:17,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:17,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:17,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 00:55:17,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,543 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 00:55:17,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:17,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 00:55:17,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 00:55:17,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 00:55:17,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 00:55:17,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:17,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:17,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 00:55:17,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 00:55:17,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:55:17,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 00:55:17,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:55:17,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 00:55:17,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 00:55:17,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 00:55:17,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:17,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:17,752 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:17,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 00:55:17,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 00:55:17,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 00:55:17,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,828 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 00:55:17,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 00:55:17,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:17,842 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 00:55:17,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,892 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 00:55:17,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:17,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:17,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:17,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:17,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 00:55:17,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:17,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 00:55:17,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 00:55:17,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:17,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 00:55:17,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:17,941 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 00:55:17,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 00:55:17,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:17,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:17,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 00:55:17,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 00:55:17,956 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,956 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 00:55:17,961 INFO L180 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-11-07 00:55:17,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:17,966 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 00:55:17,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:17,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:17,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 00:55:17,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:17,995 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:17,995 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 29 treesize of output 28 [2021-11-07 00:55:17,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:17,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:17,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:17,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:17,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-07 00:55:18,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:18,003 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2021-11-07 00:55:18,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:18,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 00:55:18,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:18,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:18,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 00:55:18,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:18,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:18,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:55:18,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:18,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 00:55:18,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 00:55:18,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:18,067 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:18,068 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 29 treesize of output 28 [2021-11-07 00:55:18,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:18,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:18,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:18,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:18,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:18,096 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 00:55:18,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55 [2021-11-07 00:55:18,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 00:55:18,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 00:55:18,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:18,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,115 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.1 percent of original size [2021-11-07 00:55:18,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 00:55:18,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:18,119 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:240, output treesize:144 [2021-11-07 00:55:18,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,139 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 00:55:18,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:18,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:18,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-07 00:55:18,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:18,159 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:18,160 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 29 treesize of output 28 [2021-11-07 00:55:18,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:18,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:18,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:18,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:18,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:18,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 00:55:18,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:18,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 00:55:18,174 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:55:18,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:55:18,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:55:18,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2021-11-07 00:55:18,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100822346] [2021-11-07 00:55:18,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 00:55:18,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:55:18,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 00:55:18,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1185, Invalid=1467, Unknown=0, NotChecked=0, Total=2652 [2021-11-07 00:55:18,557 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 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 00:55:18,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:18,929 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2021-11-07 00:55:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 00:55:18,930 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 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 49 [2021-11-07 00:55:18,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:18,936 INFO L225 Difference]: With dead ends: 124 [2021-11-07 00:55:18,936 INFO L226 Difference]: Without dead ends: 98 [2021-11-07 00:55:18,938 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1185, Invalid=1467, Unknown=0, NotChecked=0, Total=2652 [2021-11-07 00:55:18,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-07 00:55:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-07 00:55:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 97 states have internal predecessors, (99), 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 00:55:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2021-11-07 00:55:18,964 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 49 [2021-11-07 00:55:18,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:18,965 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2021-11-07 00:55:18,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 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 00:55:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2021-11-07 00:55:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 00:55:18,970 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:18,970 INFO L513 BasicCegarLoop]: trace histogram [46, 46, 1, 1, 1, 1, 1] [2021-11-07 00:55:19,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:19,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:19,184 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:19,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:19,184 INFO L85 PathProgramCache]: Analyzing trace with hash 764126125, now seen corresponding path program 5 times [2021-11-07 00:55:19,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:55:19,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133368459] [2021-11-07 00:55:19,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:19,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:55:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-07 00:55:20,447 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:55:20,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133368459] [2021-11-07 00:55:20,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133368459] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:55:20,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364342753] [2021-11-07 00:55:20,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 00:55:20,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:20,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:20,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:55:20,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2085228d-3e0f-4058-8031-9a455a65c251/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process