./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s1lif.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/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_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/s1lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/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_e55591b4-8787-4b09-9d7a-5db8a24d500d/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 cdcd45f06ced2bb4437693c85186d4d1862b19794596dce357397727796a8cdf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:47:15,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:47:15,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:47:15,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:47:15,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:47:15,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:47:15,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:47:15,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:47:15,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:47:15,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:47:15,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:47:15,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:47:15,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:47:15,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:47:15,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:47:15,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:47:15,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:47:15,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:47:15,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:47:15,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:47:15,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:47:15,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:47:15,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:47:15,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:47:15,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:47:15,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:47:15,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:47:15,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:47:15,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:47:15,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:47:15,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:47:15,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:47:15,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:47:15,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:47:15,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:47:15,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:47:15,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:47:15,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:47:15,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:47:15,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:47:15,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:47:15,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:47:15,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:47:15,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:47:15,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:47:15,463 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:47:15,464 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:47:15,464 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:47:15,464 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:47:15,464 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:47:15,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:47:15,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:47:15,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:47:15,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:47:15,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:47:15,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:47:15,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:47:15,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:47:15,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:47:15,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:47:15,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:47:15,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:47:15,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:47:15,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:47:15,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:47:15,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:47:15,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:47:15,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:47:15,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:47:15,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:47:15,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:47:15,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:47:15,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:47:15,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:47:15,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:47:15,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:47:15,477 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:47:15,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:47:15,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:47:15,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:47:15,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:47:15,478 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_e55591b4-8787-4b09-9d7a-5db8a24d500d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdcd45f06ced2bb4437693c85186d4d1862b19794596dce357397727796a8cdf [2021-11-07 01:47:15,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:47:15,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:47:15,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:47:15,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:47:15,789 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:47:15,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-fpi/s1lif.c [2021-11-07 01:47:15,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/data/0bc6a31e1/a0aab25d3a09434788b7691eca80efaf/FLAGd2bf302e9 [2021-11-07 01:47:16,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:47:16,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/sv-benchmarks/c/array-fpi/s1lif.c [2021-11-07 01:47:16,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/data/0bc6a31e1/a0aab25d3a09434788b7691eca80efaf/FLAGd2bf302e9 [2021-11-07 01:47:16,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/data/0bc6a31e1/a0aab25d3a09434788b7691eca80efaf [2021-11-07 01:47:16,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:47:16,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:47:16,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:47:16,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:47:16,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:47:16,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2bf407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16, skipping insertion in model container [2021-11-07 01:47:16,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:47:16,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:47:16,857 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_e55591b4-8787-4b09-9d7a-5db8a24d500d/sv-benchmarks/c/array-fpi/s1lif.c[588,601] [2021-11-07 01:47:16,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:47:16,880 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:47:16,891 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_e55591b4-8787-4b09-9d7a-5db8a24d500d/sv-benchmarks/c/array-fpi/s1lif.c[588,601] [2021-11-07 01:47:16,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:47:16,909 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:47:16,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16 WrapperNode [2021-11-07 01:47:16,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:47:16,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:47:16,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:47:16,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:47:16,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:47:16,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:47:16,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:47:16,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:47:16,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:47:16,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:47:16,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:47:16,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:47:16,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (1/1) ... [2021-11-07 01:47:16,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:47:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:17,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:47:17,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:47:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:47:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:47:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:47:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:47:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:47:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:47:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:47:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:47:17,447 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:47:17,448 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-07 01:47:17,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:17 BoogieIcfgContainer [2021-11-07 01:47:17,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:47:17,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:47:17,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:47:17,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:47:17,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:47:16" (1/3) ... [2021-11-07 01:47:17,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d38635f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:17, skipping insertion in model container [2021-11-07 01:47:17,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:16" (2/3) ... [2021-11-07 01:47:17,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d38635f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:17, skipping insertion in model container [2021-11-07 01:47:17,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:17" (3/3) ... [2021-11-07 01:47:17,472 INFO L111 eAbstractionObserver]: Analyzing ICFG s1lif.c [2021-11-07 01:47:17,477 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:47:17,483 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:47:17,533 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:47:17,539 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:47:17,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:47:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 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 01:47:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:47:17,556 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:17,557 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:17,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:17,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:17,563 INFO L85 PathProgramCache]: Analyzing trace with hash -535561234, now seen corresponding path program 1 times [2021-11-07 01:47:17,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:17,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668056822] [2021-11-07 01:47:17,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:17,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:17,788 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:17,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668056822] [2021-11-07 01:47:17,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668056822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:17,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:17,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:47:17,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314988273] [2021-11-07 01:47:17,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:47:17,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:17,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:47:17,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:17,818 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:17,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:17,854 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-11-07 01:47:17,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:47:17,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:47:17,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:17,863 INFO L225 Difference]: With dead ends: 20 [2021-11-07 01:47:17,863 INFO L226 Difference]: Without dead ends: 9 [2021-11-07 01:47:17,866 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:17,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-07 01:47:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 01:47:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-07 01:47:17,897 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2021-11-07 01:47:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:17,897 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-07 01:47:17,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-07 01:47:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:47:17,898 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:17,899 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:17,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:47:17,900 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:17,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:17,904 INFO L85 PathProgramCache]: Analyzing trace with hash 344823405, now seen corresponding path program 1 times [2021-11-07 01:47:17,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:17,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454224868] [2021-11-07 01:47:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:17,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:18,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:18,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454224868] [2021-11-07 01:47:18,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454224868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:18,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:18,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:47:18,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476084733] [2021-11-07 01:47:18,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:47:18,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:18,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:47:18,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:18,061 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:18,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:18,103 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-07 01:47:18,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:47:18,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:47:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:18,105 INFO L225 Difference]: With dead ends: 15 [2021-11-07 01:47:18,105 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 01:47:18,106 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 01:47:18,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 01:47:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-11-07 01:47:18,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2021-11-07 01:47:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:18,112 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-07 01:47:18,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-07 01:47:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:47:18,113 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:18,114 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:18,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:47:18,117 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:18,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:18,119 INFO L85 PathProgramCache]: Analyzing trace with hash 750922709, now seen corresponding path program 1 times [2021-11-07 01:47:18,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:18,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669418854] [2021-11-07 01:47:18,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:18,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:18,635 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:18,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669418854] [2021-11-07 01:47:18,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669418854] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:18,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617182139] [2021-11-07 01:47:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:18,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:18,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:18,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:18,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:47:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:18,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:47:18,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:18,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:47:18,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:47:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:18,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 01:47:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:18,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2021-11-07 01:47:19,127 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-07 01:47:19,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-07 01:47:19,259 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:47:19,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 40 [2021-11-07 01:47:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:19,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:19,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617182139] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:19,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [619875420] [2021-11-07 01:47:19,995 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:19,995 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:20,000 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:20,005 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:20,006 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:20,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:20,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:20,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:20,058 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_21|]} [2021-11-07 01:47:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:47:20,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:20,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:20,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:47:20,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:20,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:20,125 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:20,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,153 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:47:20,165 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:47:20,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:20,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:20,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:20,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:47:20,199 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_22|]} [2021-11-07 01:47:20,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,263 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:20,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:47:20,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:20,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:20,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:20,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:20,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:20,279 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,341 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:47:20,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:47:20,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:20,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:20,355 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:20,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:20,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:20,408 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:47:20,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,437 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:47:20,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:20,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:47:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:20,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:20,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:20,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:47:20,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:47:20,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:20,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:47:20,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:47:20,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:20,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:47:20,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:47:20,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:20,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:20,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:20,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:20,845 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 52 treesize of output 60 [2021-11-07 01:47:20,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:20,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:20,852 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:20,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:20,925 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:47:20,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:20,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:20,933 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:47:20,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:20,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,013 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:21,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:21,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:21,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:21,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:21,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:21,027 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:47:21,033 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,033 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:47:21,039 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:21,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:21,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:21,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:21,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:47:21,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:21,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:21,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:21,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:21,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:21,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:21,084 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:47:21,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:21,096 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:154 [2021-11-07 01:47:21,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,123 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:47:21,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:21,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:21,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:47:21,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:21,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:21,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:21,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:21,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:21,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:21,157 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:47:21,168 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:21,168 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:47:21,175 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:21,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:21,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:21,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:47:21,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:21,207 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:47:21,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:47:21,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:21,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:21,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:21,228 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:47:21,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,232 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:47:21,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:47:21,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,237 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:47:21,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,262 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:47:21,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:21,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:47:21,301 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:47:21,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:47:21,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:21,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,311 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:47:21,313 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:47:21,314 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:47:21,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:47:21,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:47:21,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:21,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:47:21,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:21,322 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:47:21,333 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:21,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:21,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:21,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-07 01:47:21,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544489891] [2021-11-07 01:47:21,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 01:47:21,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:21,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 01:47:21,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:47:21,973 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:22,964 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2021-11-07 01:47:22,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:47:22,965 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 01:47:22,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:22,966 INFO L225 Difference]: With dead ends: 25 [2021-11-07 01:47:22,966 INFO L226 Difference]: Without dead ends: 19 [2021-11-07 01:47:22,967 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 12 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2021-11-07 01:47:22,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-07 01:47:22,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2021-11-07 01:47:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-11-07 01:47:22,972 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 10 [2021-11-07 01:47:22,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:22,973 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-07 01:47:22,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-07 01:47:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:47:22,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:22,973 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:23,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:23,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:23,188 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:23,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1803519565, now seen corresponding path program 2 times [2021-11-07 01:47:23,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:23,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862361147] [2021-11-07 01:47:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:23,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:23,270 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:23,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862361147] [2021-11-07 01:47:23,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862361147] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:23,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841937069] [2021-11-07 01:47:23,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:23,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:23,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:23,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:23,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:47:23,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:47:23,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:23,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:47:23,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:23,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:23,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841937069] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:23,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1532939535] [2021-11-07 01:47:23,459 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:23,460 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:23,460 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:23,460 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:23,460 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:23,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:23,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:23,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:23,477 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_24|]} [2021-11-07 01:47:23,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:47:23,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:23,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:23,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:47:23,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:23,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:23,532 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:23,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,538 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:47:23,543 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:47:23,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:23,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:23,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:23,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:47:23,559 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_25|]} [2021-11-07 01:47:23,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:23,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:23,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:23,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,598 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:23,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:47:23,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:23,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:23,602 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,647 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:47:23,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:47:23,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:23,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:23,653 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:23,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:23,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:23,676 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:47:23,690 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,691 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:47:23,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:23,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:47:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:47:23,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:23,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:23,722 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:23,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,741 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:47:23,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:23,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:23,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:23,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:47:23,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:23,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:47:23,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:47:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,932 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 47 treesize of output 55 [2021-11-07 01:47:23,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:23,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:23,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:23,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:23,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:23,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:23,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:23,961 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:23,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,035 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:47:24,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:47:24,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:24,043 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:47:24,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,134 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:24,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:24,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:24,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:24,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:24,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:24,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:47:24,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,150 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:47:24,156 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:24,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:24,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:24,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:24,174 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:47:24,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-07 01:47:24,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:47:24,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:47:24,184 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 01:47:24,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:47:24,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:47:24,204 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,213 INFO L180 QuantifierPusher]: treesize reduction 10, result has 92.6 percent of original size [2021-11-07 01:47:24,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:24,216 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:24,216 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:126 [2021-11-07 01:47:24,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,240 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:47:24,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:24,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:24,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:47:24,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:24,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:24,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:24,261 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:24,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:24,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:24,275 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:47:24,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:24,286 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:47:24,293 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:24,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:24,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:24,307 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:47:24,329 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:47:24,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:47:24,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:47:24,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:47:24,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:47:24,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:47:24,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,343 INFO L628 ElimStorePlain]: treesize reduction 24, result has 75.0 percent of original size [2021-11-07 01:47:24,344 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:47:24,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:24,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:47:24,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,373 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:47:24,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:24,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:47:24,413 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:47:24,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:47:24,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:24,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:24,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:24,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:24,423 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:24,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:24,429 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:47:24,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:24,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:24,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:24,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:47:24,441 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:24,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:24,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:24,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-07 01:47:24,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789343812] [2021-11-07 01:47:24,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:47:24,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:24,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:47:24,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:47:24,959 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:25,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:25,044 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-11-07 01:47:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:47:25,048 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 11 [2021-11-07 01:47:25,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:25,048 INFO L225 Difference]: With dead ends: 33 [2021-11-07 01:47:25,048 INFO L226 Difference]: Without dead ends: 22 [2021-11-07 01:47:25,049 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:47:25,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-07 01:47:25,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2021-11-07 01:47:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-07 01:47:25,054 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2021-11-07 01:47:25,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:25,054 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-07 01:47:25,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:25,054 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-07 01:47:25,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:47:25,055 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:25,055 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:25,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:25,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:25,256 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:25,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:25,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1075573514, now seen corresponding path program 3 times [2021-11-07 01:47:25,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:25,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158323746] [2021-11-07 01:47:25,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:25,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:25,311 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:25,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158323746] [2021-11-07 01:47:25,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158323746] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:25,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998067823] [2021-11-07 01:47:25,311 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:47:25,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:25,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:25,313 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:25,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:47:25,397 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:47:25,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:25,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:47:25,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:25,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:25,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998067823] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:25,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1470072701] [2021-11-07 01:47:25,513 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:25,513 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:25,513 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:25,513 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:25,514 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:25,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,523 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:25,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:25,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:25,529 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 21=[|v_#valid_27|]} [2021-11-07 01:47:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:47:25,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:25,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:25,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:47:25,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:25,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:25,562 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:25,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,570 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:47:25,576 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:47:25,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:25,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:25,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:25,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:47:25,587 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_24|], 28=[|v_#valid_28|]} [2021-11-07 01:47:25,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:25,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:25,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:25,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,627 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:25,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:47:25,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:25,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:25,631 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,686 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:47:25,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:47:25,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:25,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:25,692 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:25,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:25,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:25,713 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:47:25,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,727 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:47:25,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:25,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:47:25,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:25,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:25,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:25,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:47:25,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,768 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:47:25,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:25,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:47:25,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:47:25,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:25,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:47:25,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:47:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,969 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 52 treesize of output 60 [2021-11-07 01:47:25,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:25,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:25,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:25,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:25,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:25,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:25,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:25,998 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:25,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,046 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,076 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:47:26,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:26,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:26,086 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:47:26,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,160 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:26,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:26,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:26,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:26,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:26,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:26,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:47:26,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,176 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:47:26,184 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:26,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:26,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:26,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:26,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:47:26,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:26,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:26,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:26,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,215 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:26,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:26,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:26,223 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-07 01:47:26,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:26,234 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:152 [2021-11-07 01:47:26,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,259 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:47:26,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:26,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:26,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:47:26,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:26,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:26,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:26,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:26,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:26,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:26,292 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:47:26,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:26,302 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:47:26,309 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:26,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:26,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:26,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:47:26,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:26,339 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:47:26,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:47:26,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,345 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:47:26,345 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:47:26,346 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:47:26,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:26,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:26,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:47:26,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,354 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:47:26,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,377 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:47:26,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:26,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:47:26,414 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:47:26,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:47:26,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:26,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,421 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:47:26,422 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:47:26,423 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:47:26,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:47:26,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:47:26,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:26,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:26,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:47:26,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:26,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:47:26,439 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:26,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:26,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:26,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-07 01:47:26,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351641541] [2021-11-07 01:47:26,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:47:26,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:26,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:47:26,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:47:26,958 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:27,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:27,044 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-11-07 01:47:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:47:27,044 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 11 [2021-11-07 01:47:27,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:27,045 INFO L225 Difference]: With dead ends: 19 [2021-11-07 01:47:27,045 INFO L226 Difference]: Without dead ends: 14 [2021-11-07 01:47:27,045 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:47:27,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-07 01:47:27,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-07 01:47:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-11-07 01:47:27,049 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2021-11-07 01:47:27,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:27,049 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-11-07 01:47:27,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-07 01:47:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 01:47:27,050 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:27,050 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:27,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:27,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-11-07 01:47:27,264 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:27,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:27,264 INFO L85 PathProgramCache]: Analyzing trace with hash 135501902, now seen corresponding path program 4 times [2021-11-07 01:47:27,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:27,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90430902] [2021-11-07 01:47:27,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:27,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:27,999 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:27,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90430902] [2021-11-07 01:47:27,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90430902] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:27,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591960245] [2021-11-07 01:47:27,999 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:47:27,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:27,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:28,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:28,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:47:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:28,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-07 01:47:28,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:28,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:47:28,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:47:28,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 01:47:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:28,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:28,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:28,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 92 [2021-11-07 01:47:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:28,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 42 [2021-11-07 01:47:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:28,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-11-07 01:47:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:28,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 40 [2021-11-07 01:47:28,643 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-11-07 01:47:28,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 37 [2021-11-07 01:47:28,735 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:28,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 45 [2021-11-07 01:47:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:28,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:35,948 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:35,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591960245] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:35,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [699915131] [2021-11-07 01:47:35,951 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:35,951 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:35,951 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:35,952 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:35,952 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:35,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:35,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:35,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:35,963 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_26|], 21=[|v_#valid_31|]} [2021-11-07 01:47:35,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:47:35,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:35,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:35,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:47:35,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:35,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:35,997 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:36,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:47:36,009 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:47:36,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:36,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:36,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:36,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:47:36,021 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_27|], 28=[|v_#valid_32|]} [2021-11-07 01:47:36,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:36,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:36,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:36,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,057 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:36,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:47:36,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:36,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:36,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,108 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:47:36,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:47:36,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:36,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:36,114 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:36,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:36,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:36,135 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:47:36,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,149 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:47:36,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:36,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:47:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:47:36,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:36,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:36,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:36,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,192 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:47:36,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:36,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:36,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:47:36,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:47:36,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:47:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:36,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:36,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:36,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:36,379 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 47 treesize of output 55 [2021-11-07 01:47:36,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:36,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:36,384 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,454 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:47:36,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:47:36,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:36,467 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:47:36,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,547 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:36,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:36,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:36,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:36,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:36,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:36,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:47:36,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:47:36,567 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:36,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:36,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:36,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:36,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:47:36,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:36,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:36,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:36,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:36,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:36,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:36,608 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:47:36,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:36,618 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:154 [2021-11-07 01:47:36,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,643 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:47:36,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:36,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:36,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:47:36,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:36,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:36,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:36,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:36,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:36,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:36,676 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:47:36,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:36,686 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:47:36,693 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:36,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:36,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:36,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:47:36,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:36,725 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:47:36,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:47:36,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,730 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:47:36,731 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:47:36,732 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:47:36,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:36,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:36,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:47:36,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:47:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,760 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:47:36,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:36,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:47:36,803 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:47:36,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:47:36,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:47:36,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:47:36,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:47:36,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:36,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,816 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:47:36,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:36,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:36,818 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:47:36,824 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:37,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:37,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:37,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2021-11-07 01:47:37,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850914860] [2021-11-07 01:47:37,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-07 01:47:37,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:37,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-07 01:47:37,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1007, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:47:37,729 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 30 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:46,595 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2021-11-07 01:47:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 01:47:46,596 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 01:47:46,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:46,597 INFO L225 Difference]: With dead ends: 32 [2021-11-07 01:47:46,597 INFO L226 Difference]: Without dead ends: 25 [2021-11-07 01:47:46,598 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=176, Invalid=1464, Unknown=0, NotChecked=0, Total=1640 [2021-11-07 01:47:46,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-07 01:47:46,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2021-11-07 01:47:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2021-11-07 01:47:46,605 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 13 [2021-11-07 01:47:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:46,605 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-07 01:47:46,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-07 01:47:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:47:46,607 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:46,607 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:46,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:46,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-11-07 01:47:46,807 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:46,808 INFO L85 PathProgramCache]: Analyzing trace with hash -94656268, now seen corresponding path program 5 times [2021-11-07 01:47:46,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:46,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673816307] [2021-11-07 01:47:46,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:46,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:47:46,908 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:46,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673816307] [2021-11-07 01:47:46,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673816307] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:46,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345883411] [2021-11-07 01:47:46,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:46,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:46,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:46,909 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:46,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:47:47,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:47:47,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:47,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:47:47,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:47:47,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:47:47,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345883411] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:47,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1768910889] [2021-11-07 01:47:47,209 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:47,209 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:47,209 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:47,209 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:47,210 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:47,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:47,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:47,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:47,219 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_29|], 21=[|v_#valid_34|]} [2021-11-07 01:47:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:47:47,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:47,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:47,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:47:47,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:47,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:47,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:47,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,260 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:47:47,266 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:47:47,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:47,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:47,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:47,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:47:47,276 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_30|], 28=[|v_#valid_35|]} [2021-11-07 01:47:47,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:47,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:47,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:47,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,321 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:47,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:47:47,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:47,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:47,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,375 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:47:47,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:47:47,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:47,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:47,388 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:47,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:47,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:47,408 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:47:47,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,421 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:47:47,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:47,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:47:47,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:47,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:47,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:47,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:47:47,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,463 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:47:47,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:47,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:47:47,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:47:47,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:47:47,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:47:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:47,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:47,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:47,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:47:47,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:47,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:47,639 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,711 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:47:47,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:47,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:47,717 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:47:47,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,772 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:47,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:47,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:47,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:47,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:47,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:47,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:47:47,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:47:47,791 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:47,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:47,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:47,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:47,801 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:47:47,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 01:47:47,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:47:47,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:47:47,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-07 01:47:47,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:47:47,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:47:47,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,832 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.0 percent of original size [2021-11-07 01:47:47,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:47,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:47,834 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:126 [2021-11-07 01:47:47,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,857 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:47:47,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:47,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:47,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:47:47,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:47,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:47,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:47,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:47,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:47,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:47,887 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:47:47,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:47,896 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:47:47,902 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:47,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:47,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:47,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:47:47,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:47,936 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:47:47,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:47:47,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,941 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:47:47,941 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:47:47,942 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:47:47,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:47,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:47:47,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,948 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:47:47,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,985 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:47:47,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:47,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:47:48,026 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:47:48,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:47:48,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:48,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:48,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:48,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:48,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:48,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:48,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:48,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:48,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:48,038 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:47:48,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:48,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:48,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:48,041 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:47:48,047 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:48,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:48,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:48,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:47:48,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436708945] [2021-11-07 01:47:48,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:47:48,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:48,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:47:48,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:47:48,491 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:48,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:48,619 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2021-11-07 01:47:48,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:47:48,619 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:47:48,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:48,620 INFO L225 Difference]: With dead ends: 36 [2021-11-07 01:47:48,620 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:47:48,620 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:47:48,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:47:48,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2021-11-07 01:47:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-07 01:47:48,625 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 14 [2021-11-07 01:47:48,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:48,625 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-07 01:47:48,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-07 01:47:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:47:48,626 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:48,626 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:48,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:48,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:48,827 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:48,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:48,827 INFO L85 PathProgramCache]: Analyzing trace with hash 720245293, now seen corresponding path program 6 times [2021-11-07 01:47:48,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:48,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263029016] [2021-11-07 01:47:48,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:48,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:47:48,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:48,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263029016] [2021-11-07 01:47:48,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263029016] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:48,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761531615] [2021-11-07 01:47:48,916 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:47:48,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:48,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:48,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:48,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:47:49,085 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:47:49,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:49,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:47:49,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:47:49,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:47:49,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761531615] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:49,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1322705774] [2021-11-07 01:47:49,232 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:49,232 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:49,232 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:49,233 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:49,233 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:49,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:49,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:49,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:49,243 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_31|], 21=[|v_#valid_36|]} [2021-11-07 01:47:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:47:49,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:49,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:49,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:47:49,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:49,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:49,277 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:49,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,283 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:47:49,289 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:47:49,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:49,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:49,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:47:49,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:47:49,300 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_32|], 28=[|v_#valid_37|]} [2021-11-07 01:47:49,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,344 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:47:49,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:47:49,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:49,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:49,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:49,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:49,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:49,357 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,413 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:47:49,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:47:49,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:49,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:49,418 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:49,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:49,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:49,439 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:47:49,450 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,450 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:47:49,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:49,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:47:49,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:49,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:49,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:49,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:47:49,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,488 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:47:49,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:49,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:47:49,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:47:49,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:47:49,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:47:49,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,643 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 52 treesize of output 60 [2021-11-07 01:47:49,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:49,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:47:49,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:49,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:47:49,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:49,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:49,669 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,723 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:47:49,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:49,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:49,729 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:47:49,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,784 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:49,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:49,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:49,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:49,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:49,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:49,793 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:47:49,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:47:49,802 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:49,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:49,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:49,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:49,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:47:49,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:49,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:49,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:49,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:49,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:49,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:49,840 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-07 01:47:49,849 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:49,849 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:152 [2021-11-07 01:47:49,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,870 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:47:49,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:49,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:49,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:47:49,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:47:49,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:49,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:49,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:47:49,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:49,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:49,898 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:47:49,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:49,907 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:47:49,912 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:47:49,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:49,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:49,919 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:47:49,941 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:47:49,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:47:49,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:49,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:49,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:49,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:47:49,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,951 INFO L628 ElimStorePlain]: treesize reduction 18, result has 80.0 percent of original size [2021-11-07 01:47:49,952 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:47:49,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:49,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:49,953 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:47:49,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:49,972 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:47:49,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:49,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:49,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:49,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:47:50,012 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:47:50,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:47:50,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:50,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:50,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:50,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:47:50,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:47:50,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:50,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:47:50,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:47:50,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:50,025 INFO L628 ElimStorePlain]: treesize reduction 34, result has 71.2 percent of original size [2021-11-07 01:47:50,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:50,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:50,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:50,027 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:47:50,034 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:50,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:50,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:50,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:47:50,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017362514] [2021-11-07 01:47:50,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:47:50,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:50,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:47:50,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:47:50,513 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:50,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:50,627 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-11-07 01:47:50,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:47:50,627 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 01:47:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:50,628 INFO L225 Difference]: With dead ends: 20 [2021-11-07 01:47:50,628 INFO L226 Difference]: Without dead ends: 17 [2021-11-07 01:47:50,629 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:47:50,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-07 01:47:50,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-07 01:47:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-11-07 01:47:50,633 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 15 [2021-11-07 01:47:50,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:50,634 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-07 01:47:50,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-07 01:47:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:47:50,634 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:50,634 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:50,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:50,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:50,835 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:50,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash 852519669, now seen corresponding path program 7 times [2021-11-07 01:47:50,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:50,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541585252] [2021-11-07 01:47:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:50,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:51,836 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:51,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541585252] [2021-11-07 01:47:51,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541585252] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:51,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825284136] [2021-11-07 01:47:51,837 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:47:51,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:51,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:51,838 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:51,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:47:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:52,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-07 01:47:52,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:52,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:47:52,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:47:52,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-07 01:47:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-11-07 01:47:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-07 01:47:52,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:52,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 113 [2021-11-07 01:47:52,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 30 [2021-11-07 01:47:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-11-07 01:47:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-11-07 01:47:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-07 01:47:52,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:52,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:52,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 48 [2021-11-07 01:47:52,897 INFO L354 Elim1Store]: treesize reduction 114, result has 16.2 percent of original size [2021-11-07 01:47:52,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 60 treesize of output 49 [2021-11-07 01:47:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:52,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:59,011 WARN L207 SmtUtils]: Spent 30.57 s on a formula simplification that was a NOOP. DAG size: 206 [2021-11-07 01:49:50,837 WARN L207 SmtUtils]: Spent 26.28 s on a formula simplification that was a NOOP. DAG size: 204 [2021-11-07 01:51:11,218 WARN L207 SmtUtils]: Spent 42.34 s on a formula simplification that was a NOOP. DAG size: 244 [2021-11-07 01:52:18,549 WARN L207 SmtUtils]: Spent 38.47 s on a formula simplification that was a NOOP. DAG size: 247 [2021-11-07 01:53:52,202 WARN L207 SmtUtils]: Spent 48.43 s on a formula simplification that was a NOOP. DAG size: 250 [2021-11-07 01:53:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:53:52,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825284136] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:52,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [486432219] [2021-11-07 01:53:52,331 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:53:52,331 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:53:52,331 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:53:52,331 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:53:52,331 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:53:52,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:53:52,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:53:52,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:53:52,348 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_34|], 21=[|v_#valid_40|]} [2021-11-07 01:53:52,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:53:52,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:53:52,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:53:52,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:53:52,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:53:52,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:53:52,393 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:53:52,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,399 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:53:52,404 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:53:52,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:53:52,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:53:52,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:53:52,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:53:52,414 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_35|], 28=[|v_#valid_41|]} [2021-11-07 01:53:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,511 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:53:52,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:53:52,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:53:52,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:53:52,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:53:52,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:53:52,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:53:52,522 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,574 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:53:52,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:53:52,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:53:52,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:53:52,583 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:53:52,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:53:52,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:53:52,605 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:53:52,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,615 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:53:52,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:53:52,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:53:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:53:52,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:53:52,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:53:52,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:53:52,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,663 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:53:52,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:53:52,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:53:52,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:53:52,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:53:52,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:53:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:53:52,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:53:52,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:53:52,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:53:52,864 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 52 treesize of output 60 [2021-11-07 01:53:52,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:53:52,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:53:52,868 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:52,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,923 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:53:52,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:53:52,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:53:52,929 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:53:52,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:52,997 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:53:52,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:52,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:52,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:53:53,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:53:53,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:53:53,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:53:53,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:53:53,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:53:53,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:53:53,018 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:53:53,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:53:53,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:53:53,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:53:53,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:53:53,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:53:53,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:53:53,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:53:53,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:53:53,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:53:53,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:53:53,060 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:53:53,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:53:53,070 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:154 [2021-11-07 01:53:53,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,103 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:53:53,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:53:53,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:53:53,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:53:53,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:53:53,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:53:53,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:53:53,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:53:53,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:53:53,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:53:53,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:53:53,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:53:53,147 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:53:53,153 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:53:53,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:53:53,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:53:53,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:53:53,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:53:53,194 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:53:53,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:53:53,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,200 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:53:53,201 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:53:53,202 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:53:53,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:53:53,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:53:53,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:53:53,209 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,209 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:53:53,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,244 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:53:53,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:53:53,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:53:53,298 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:53:53,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:53:53,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:53:53,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:53:53,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:53:53,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:53:53,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:53:53,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:53,311 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:53:53,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:53,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:53:53,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:53:53,314 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:53:53,322 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:53:59,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:53:59,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:53:59,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39 [2021-11-07 01:53:59,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910993611] [2021-11-07 01:53:59,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-07 01:53:59,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:53:59,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-07 01:53:59,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1633, Unknown=11, NotChecked=0, Total=1806 [2021-11-07 01:53:59,145 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:37,777 WARN L207 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 346 DAG size of output: 60 [2021-11-07 01:54:44,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:44,505 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2021-11-07 01:54:44,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 01:54:44,506 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 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 16 [2021-11-07 01:54:44,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:44,506 INFO L225 Difference]: With dead ends: 36 [2021-11-07 01:54:44,506 INFO L226 Difference]: Without dead ends: 19 [2021-11-07 01:54:44,508 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 313.1s TimeCoverageRelationStatistics Valid=206, Invalid=2131, Unknown=15, NotChecked=0, Total=2352 [2021-11-07 01:54:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-07 01:54:44,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-07 01:54:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-07 01:54:44,514 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-11-07 01:54:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:44,514 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-07 01:54:44,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-07 01:54:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:54:44,515 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:44,515 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:54:44,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:44,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-11-07 01:54:44,716 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:54:44,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:44,716 INFO L85 PathProgramCache]: Analyzing trace with hash -956889772, now seen corresponding path program 8 times [2021-11-07 01:54:44,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:54:44,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670344884] [2021-11-07 01:54:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:54:44,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:54:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:54:44,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:54:44,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670344884] [2021-11-07 01:54:44,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670344884] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:54:44,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662988967] [2021-11-07 01:54:44,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:54:44,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:54:44,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:54:44,845 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:54:44,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:54:45,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:54:45,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:54:45,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:54:45,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:54:45,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:54:45,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662988967] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:54:45,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1452633891] [2021-11-07 01:54:45,372 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:54:45,372 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:54:45,372 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:54:45,373 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:54:45,373 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:54:45,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:45,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:54:45,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:54:45,383 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_37|], 21=[|v_#valid_43|]} [2021-11-07 01:54:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:54:45,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:54:45,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:54:45,398 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:54:45,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:45,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:45,426 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:54:45,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,432 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:54:45,437 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:54:45,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:54:45,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:54:45,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:54:45,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:54:45,449 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_38|], 28=[|v_#valid_44|]} [2021-11-07 01:54:45,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:54:45,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:54:45,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:54:45,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,491 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:54:45,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:54:45,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:54:45,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:54:45,495 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,581 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:54:45,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:54:45,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:54:45,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:54:45,586 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:54:45,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:54:45,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:54:45,611 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:54:45,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,623 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:54:45,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:54:45,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:54:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:54:45,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:54:45,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:54:45,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:54:45,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,667 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:54:45,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:54:45,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:54:45,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:54:45,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:54:45,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:54:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,830 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 52 treesize of output 60 [2021-11-07 01:54:45,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:54:45,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:54:45,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:45,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:54:45,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:54:45,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:54:45,862 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,917 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:54:45,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:54:45,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:54:45,921 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:54:45,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,977 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:54:45,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:45,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:54:45,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:54:45,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:54:45,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:45,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:45,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:45,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:45,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:54:45,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:45,994 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:54:45,999 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:54:46,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:54:46,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:54:46,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:46,011 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:54:46,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 01:54:46,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:54:46,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:54:46,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:46,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-07 01:54:46,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:54:46,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:54:46,035 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:46,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,043 INFO L180 QuantifierPusher]: treesize reduction 10, result has 92.6 percent of original size [2021-11-07 01:54:46,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:54:46,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:54:46,046 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:126 [2021-11-07 01:54:46,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,068 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:54:46,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:54:46,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:54:46,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:54:46,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:54:46,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:54:46,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:54:46,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:46,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:54:46,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:46,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:46,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:46,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:54:46,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:54:46,110 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:54:46,115 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:54:46,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:54:46,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:54:46,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:54:46,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:46,166 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:54:46,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:54:46,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,175 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:54:46,175 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:54:46,176 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:54:46,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:54:46,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:54:46,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:54:46,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:46,183 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:54:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,202 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:54:46,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:54:46,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:54:46,243 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:54:46,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:54:46,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:46,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,247 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:54:46,249 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:54:46,250 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:54:46,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:54:46,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:54:46,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:46,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:46,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:54:46,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:46,254 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:54:46,260 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:54:46,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:54:46,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:54:46,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-07 01:54:46,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049167777] [2021-11-07 01:54:46,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:54:46,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:54:46,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:54:46,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:54:46,786 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:46,975 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2021-11-07 01:54:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:54:46,977 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:54:46,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:46,978 INFO L225 Difference]: With dead ends: 23 [2021-11-07 01:54:46,978 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:54:46,978 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=517, Unknown=0, NotChecked=0, Total=650 [2021-11-07 01:54:46,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:54:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-07 01:54:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:46,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-07 01:54:46,983 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 18 [2021-11-07 01:54:46,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:46,984 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-07 01:54:46,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-07 01:54:46,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:54:46,984 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:46,984 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:54:47,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:47,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-11-07 01:54:47,196 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:54:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:47,196 INFO L85 PathProgramCache]: Analyzing trace with hash 400940206, now seen corresponding path program 9 times [2021-11-07 01:54:47,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:54:47,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507189623] [2021-11-07 01:54:47,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:54:47,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:54:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:48,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:54:48,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507189623] [2021-11-07 01:54:48,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507189623] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:54:48,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683563463] [2021-11-07 01:54:48,529 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:54:48,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:54:48,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:54:48,536 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:54:48,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55591b4-8787-4b09-9d7a-5db8a24d500d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:54:48,901 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:54:48,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:54:48,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 01:54:48,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:48,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:54:48,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:54:48,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-07 01:54:49,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:49,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-11-07 01:54:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:49,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:49,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2021-11-07 01:54:49,269 INFO L354 Elim1Store]: treesize reduction 171, result has 17.8 percent of original size [2021-11-07 01:54:49,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 78 [2021-11-07 01:54:49,802 INFO L354 Elim1Store]: treesize reduction 384, result has 36.9 percent of original size [2021-11-07 01:54:49,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 154 treesize of output 315 [2021-11-07 01:54:52,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,391 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:52,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 120 treesize of output 143 [2021-11-07 01:54:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:52,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 41 [2021-11-07 01:54:53,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:53,560 INFO L354 Elim1Store]: treesize reduction 489, result has 28.1 percent of original size [2021-11-07 01:54:53,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 366 treesize of output 421 [2021-11-07 01:54:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,492 INFO L354 Elim1Store]: treesize reduction 79, result has 26.9 percent of original size [2021-11-07 01:54:56,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 162 treesize of output 115 [2021-11-07 01:54:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,661 INFO L354 Elim1Store]: treesize reduction 107, result has 0.9 percent of original size [2021-11-07 01:54:56,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 193 treesize of output 97 [2021-11-07 01:54:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:56,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 71 [2021-11-07 01:54:56,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:54:57,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:54:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,141 INFO L354 Elim1Store]: treesize reduction 43, result has 18.9 percent of original size [2021-11-07 01:54:57,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 85 [2021-11-07 01:54:57,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:57,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 58 [2021-11-07 01:54:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 61 [2021-11-07 01:54:57,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 72 [2021-11-07 01:54:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 72 [2021-11-07 01:54:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:57,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 61 [2021-11-07 01:54:57,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:57,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:57,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 72 [2021-11-07 01:54:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:58,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 75 [2021-11-07 01:54:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 58 [2021-11-07 01:54:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,165 INFO L354 Elim1Store]: treesize reduction 594, result has 20.9 percent of original size [2021-11-07 01:54:59,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 489 treesize of output 445 [2021-11-07 01:54:59,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:54:59,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:54:59,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 85 [2021-11-07 01:54:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 85 [2021-11-07 01:54:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:59,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 85 [2021-11-07 01:55:01,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:01,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 94 [2021-11-07 01:55:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:02,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 69 [2021-11-07 01:55:02,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,149 INFO L354 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2021-11-07 01:55:02,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 190 treesize of output 97 [2021-11-07 01:55:02,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 87 [2021-11-07 01:55:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 78 [2021-11-07 01:55:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:02,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 74 [2021-11-07 01:55:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,163 INFO L354 Elim1Store]: treesize reduction 687, result has 4.3 percent of original size [2021-11-07 01:55:03,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 30 case distinctions, treesize of input 449 treesize of output 299 [2021-11-07 01:55:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 56 [2021-11-07 01:55:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:03,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2021-11-07 01:55:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2021-11-07 01:55:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:03,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2021-11-07 01:55:04,040 INFO L354 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2021-11-07 01:55:04,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 61 treesize of output 57 [2021-11-07 01:55:04,158 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-07 01:55:04,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 83 treesize of output 51 [2021-11-07 01:55:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:55:04,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:00,064 WARN L207 SmtUtils]: Spent 1.20 m on a formula simplification that was a NOOP. DAG size: 273