./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH --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 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:20:21,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:20:21,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:20:21,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:20:21,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:20:21,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:20:21,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:20:21,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:20:21,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:20:21,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:20:21,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:20:21,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:20:21,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:20:21,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:20:21,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:20:21,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:20:21,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:20:21,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:20:21,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:20:21,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:20:21,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:20:21,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:20:21,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:20:21,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:20:21,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:20:21,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:20:21,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:20:21,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:20:21,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:20:21,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:20:21,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:20:21,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:20:21,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:20:21,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:20:21,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:20:21,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:20:21,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:20:21,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:20:21,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:20:21,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:20:21,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:20:21,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:20:21,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:20:21,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:20:21,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:20:21,572 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:20:21,572 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:20:21,572 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:20:21,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:20:21,573 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:20:21,579 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:20:21,579 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:20:21,580 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:20:21,581 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:20:21,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:20:21,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:20:21,581 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:20:21,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:20:21,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:20:21,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:20:21,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:20:21,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:20:21,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:20:21,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:20:21,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:20:21,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:20:21,584 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:20:21,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:20:21,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:20:21,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:20:21,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:20:21,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:20:21,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:20:21,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:20:21,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:20:21,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:20:21,588 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:20:21,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:20:21,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:20:21,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:20:21,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:20:21,590 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_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2021-11-03 04:20:21,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:20:21,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:20:21,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:20:21,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:20:21,944 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:20:21,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-03 04:20:22,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/data/437906553/b75b9ee8a5b0481ab2de9f558cdb4511/FLAG777109458 [2021-11-03 04:20:22,644 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:20:22,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-03 04:20:22,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/data/437906553/b75b9ee8a5b0481ab2de9f558cdb4511/FLAG777109458 [2021-11-03 04:20:22,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/data/437906553/b75b9ee8a5b0481ab2de9f558cdb4511 [2021-11-03 04:20:22,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:20:22,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:20:22,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:20:22,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:20:22,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:20:22,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:20:22" (1/1) ... [2021-11-03 04:20:22,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4e4c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:22, skipping insertion in model container [2021-11-03 04:20:22,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:20:22" (1/1) ... [2021-11-03 04:20:22,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:20:22,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:20:23,273 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-03 04:20:23,278 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-03 04:20:23,279 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-03 04:20:23,280 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-03 04:20:23,281 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-03 04:20:23,282 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-03 04:20:23,283 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-03 04:20:23,284 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-03 04:20:23,286 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-03 04:20:23,287 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-03 04:20:23,288 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-03 04:20:23,289 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-03 04:20:23,290 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-03 04:20:23,292 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-03 04:20:23,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:20:23,307 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:20:23,341 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-03 04:20:23,342 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-03 04:20:23,343 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-03 04:20:23,344 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-03 04:20:23,346 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-03 04:20:23,347 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-03 04:20:23,348 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-03 04:20:23,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-03 04:20:23,350 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-03 04:20:23,351 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-03 04:20:23,352 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-03 04:20:23,354 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-03 04:20:23,355 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-03 04:20:23,361 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_22f3d704-d17c-4843-bced-3688513feaa0/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-03 04:20:23,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:20:23,402 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:20:23,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23 WrapperNode [2021-11-03 04:20:23,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:20:23,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:20:23,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:20:23,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:20:23,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:20:23,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:20:23,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:20:23,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:20:23,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:20:23,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:20:23,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:20:23,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:20:23,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (1/1) ... [2021-11-03 04:20:23,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:20:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:20:23,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:20:23,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:20:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:20:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:20:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:20:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:20:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:20:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:20:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:20:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:20:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:20:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:20:24,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:20:24,311 INFO L299 CfgBuilder]: Removed 35 assume(true) statements. [2021-11-03 04:20:24,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:20:24 BoogieIcfgContainer [2021-11-03 04:20:24,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:20:24,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:20:24,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:20:24,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:20:24,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:20:22" (1/3) ... [2021-11-03 04:20:24,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a45edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:20:24, skipping insertion in model container [2021-11-03 04:20:24,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:20:23" (2/3) ... [2021-11-03 04:20:24,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a45edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:20:24, skipping insertion in model container [2021-11-03 04:20:24,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:20:24" (3/3) ... [2021-11-03 04:20:24,322 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-queue-2.i [2021-11-03 04:20:24,328 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:20:24,328 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-03 04:20:24,376 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:20:24,382 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 [2021-11-03 04:20:24,382 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-03 04:20:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 61 states have (on average 2.0491803278688523) internal successors, (125), 75 states have internal predecessors, (125), 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) [2021-11-03 04:20:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-03 04:20:24,400 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:24,400 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-03 04:20:24,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:24,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:24,406 INFO L85 PathProgramCache]: Analyzing trace with hash 11205579, now seen corresponding path program 1 times [2021-11-03 04:20:24,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:24,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214850543] [2021-11-03 04:20:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:24,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:24,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:24,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214850543] [2021-11-03 04:20:24,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214850543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:24,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:24,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:20:24,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579710489] [2021-11-03 04:20:24,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:20:24,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:20:24,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:20:24,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:20:24,629 INFO L87 Difference]: Start difference. First operand has 76 states, 61 states have (on average 2.0491803278688523) internal successors, (125), 75 states have internal predecessors, (125), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-11-03 04:20:24,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:24,650 INFO L93 Difference]: Finished difference Result 151 states and 249 transitions. [2021-11-03 04:20:24,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:20:24,651 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2021-11-03 04:20:24,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:24,659 INFO L225 Difference]: With dead ends: 151 [2021-11-03 04:20:24,660 INFO L226 Difference]: Without dead ends: 74 [2021-11-03 04:20:24,662 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:20:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-03 04:20:24,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-03 04:20:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 60 states have (on average 1.3) internal successors, (78), 73 states have internal predecessors, (78), 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) [2021-11-03 04:20:24,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2021-11-03 04:20:24,710 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 4 [2021-11-03 04:20:24,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:24,711 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2021-11-03 04:20:24,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-11-03 04:20:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-03 04:20:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-03 04:20:24,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:24,712 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-03 04:20:24,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:20:24,712 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:24,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:24,714 INFO L85 PathProgramCache]: Analyzing trace with hash 345948564, now seen corresponding path program 1 times [2021-11-03 04:20:24,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:24,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245420980] [2021-11-03 04:20:24,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:24,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:24,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:24,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245420980] [2021-11-03 04:20:24,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245420980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:24,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:24,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:20:24,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852840440] [2021-11-03 04:20:24,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:20:24,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:20:24,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:20:24,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:20:24,810 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:24,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:24,852 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2021-11-03 04:20:24,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:20:24,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-03 04:20:24,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:24,854 INFO L225 Difference]: With dead ends: 74 [2021-11-03 04:20:24,855 INFO L226 Difference]: Without dead ends: 64 [2021-11-03 04:20:24,855 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:20:24,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-03 04:20:24,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-03 04:20:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 63 states have internal predecessors, (68), 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) [2021-11-03 04:20:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-03 04:20:24,863 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 5 [2021-11-03 04:20:24,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:24,863 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-03 04:20:24,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:24,864 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-03 04:20:24,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 04:20:24,864 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:24,865 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:20:24,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:20:24,865 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:24,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:24,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1744215704, now seen corresponding path program 1 times [2021-11-03 04:20:24,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:24,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139534303] [2021-11-03 04:20:24,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:24,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:25,038 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:25,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139534303] [2021-11-03 04:20:25,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139534303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:25,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:25,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:20:25,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174407255] [2021-11-03 04:20:25,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:20:25,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:20:25,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:20:25,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:20:25,041 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 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) [2021-11-03 04:20:25,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:25,151 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2021-11-03 04:20:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:20:25,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 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 [2021-11-03 04:20:25,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:25,153 INFO L225 Difference]: With dead ends: 113 [2021-11-03 04:20:25,153 INFO L226 Difference]: Without dead ends: 111 [2021-11-03 04:20:25,153 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:20:25,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-03 04:20:25,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 62. [2021-11-03 04:20:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 61 states have internal predecessors, (66), 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) [2021-11-03 04:20:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2021-11-03 04:20:25,162 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 7 [2021-11-03 04:20:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:25,162 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2021-11-03 04:20:25,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 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) [2021-11-03 04:20:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2021-11-03 04:20:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:20:25,163 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:25,163 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:20:25,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 04:20:25,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:25,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1166156785, now seen corresponding path program 1 times [2021-11-03 04:20:25,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:25,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380935578] [2021-11-03 04:20:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:25,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:25,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:25,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380935578] [2021-11-03 04:20:25,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380935578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:25,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:25,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:20:25,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432287485] [2021-11-03 04:20:25,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:20:25,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:20:25,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:20:25,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:20:25,232 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 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) [2021-11-03 04:20:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:25,353 INFO L93 Difference]: Finished difference Result 164 states and 174 transitions. [2021-11-03 04:20:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:20:25,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 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) Word has length 11 [2021-11-03 04:20:25,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:25,355 INFO L225 Difference]: With dead ends: 164 [2021-11-03 04:20:25,355 INFO L226 Difference]: Without dead ends: 112 [2021-11-03 04:20:25,356 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 [2021-11-03 04:20:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-03 04:20:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2021-11-03 04:20:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 66 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2021-11-03 04:20:25,376 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 11 [2021-11-03 04:20:25,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:25,376 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2021-11-03 04:20:25,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 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) [2021-11-03 04:20:25,379 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-03 04:20:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 04:20:25,380 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:25,380 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:20:25,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 04:20:25,380 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:25,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:25,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1473412240, now seen corresponding path program 1 times [2021-11-03 04:20:25,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:25,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681163450] [2021-11-03 04:20:25,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:25,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:25,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:25,467 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:25,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681163450] [2021-11-03 04:20:25,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681163450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:25,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:25,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:20:25,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377608481] [2021-11-03 04:20:25,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:20:25,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:20:25,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:20:25,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:20:25,474 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:25,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:25,575 INFO L93 Difference]: Finished difference Result 144 states and 152 transitions. [2021-11-03 04:20:25,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:20:25,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 04:20:25,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:25,579 INFO L225 Difference]: With dead ends: 144 [2021-11-03 04:20:25,579 INFO L226 Difference]: Without dead ends: 100 [2021-11-03 04:20:25,584 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 [2021-11-03 04:20:25,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-03 04:20:25,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 68. [2021-11-03 04:20:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 67 states have internal predecessors, (73), 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) [2021-11-03 04:20:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2021-11-03 04:20:25,603 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 12 [2021-11-03 04:20:25,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:25,604 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2021-11-03 04:20:25,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:25,604 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2021-11-03 04:20:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:20:25,605 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:25,605 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:20:25,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 04:20:25,606 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:25,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:25,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1214269867, now seen corresponding path program 1 times [2021-11-03 04:20:25,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:25,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265684615] [2021-11-03 04:20:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:25,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:25,681 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:25,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265684615] [2021-11-03 04:20:25,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265684615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:25,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:25,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:20:25,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565548826] [2021-11-03 04:20:25,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:20:25,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:20:25,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:20:25,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:20:25,686 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2021-11-03 04:20:25,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:25,754 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2021-11-03 04:20:25,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:20:25,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 04:20:25,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:25,756 INFO L225 Difference]: With dead ends: 109 [2021-11-03 04:20:25,756 INFO L226 Difference]: Without dead ends: 78 [2021-11-03 04:20:25,756 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 [2021-11-03 04:20:25,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-03 04:20:25,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2021-11-03 04:20:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 68 states have internal predecessors, (74), 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) [2021-11-03 04:20:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2021-11-03 04:20:25,763 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 13 [2021-11-03 04:20:25,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:25,763 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2021-11-03 04:20:25,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2021-11-03 04:20:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-11-03 04:20:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 04:20:25,764 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:25,764 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:20:25,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 04:20:25,765 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:25,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:25,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1577016761, now seen corresponding path program 1 times [2021-11-03 04:20:25,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:25,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952401198] [2021-11-03 04:20:25,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:25,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:25,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:25,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952401198] [2021-11-03 04:20:25,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952401198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:25,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:25,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:20:25,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084588261] [2021-11-03 04:20:25,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:20:25,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:20:25,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:20:25,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:20:25,822 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-03 04:20:25,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:25,933 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2021-11-03 04:20:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:20:25,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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 [2021-11-03 04:20:25,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:25,934 INFO L225 Difference]: With dead ends: 78 [2021-11-03 04:20:25,934 INFO L226 Difference]: Without dead ends: 64 [2021-11-03 04:20:25,936 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:20:25,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-03 04:20:25,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-03 04:20:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 63 states have internal predecessors, (68), 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) [2021-11-03 04:20:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-03 04:20:25,948 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2021-11-03 04:20:25,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:25,949 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-03 04:20:25,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-03 04:20:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-03 04:20:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 04:20:25,950 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:25,951 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:20:25,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 04:20:25,951 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:20:25,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:25,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1610313588, now seen corresponding path program 1 times [2021-11-03 04:20:25,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:20:25,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822608520] [2021-11-03 04:20:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:25,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:20:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:26,115 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:20:26,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822608520] [2021-11-03 04:20:26,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822608520] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:20:26,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48958522] [2021-11-03 04:20:26,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:26,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:20:26,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:20:26,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:20:26,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f3d704-d17c-4843-bced-3688513feaa0/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:20:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:26,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 04:20:26,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:26,418 INFO L354 Elim1Store]: treesize reduction 83, result has 23.9 percent of original size [2021-11-03 04:20:26,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 31 [2021-11-03 04:20:27,124 INFO L354 Elim1Store]: treesize reduction 544, result has 9.3 percent of original size [2021-11-03 04:20:27,125 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 3 case distinctions, treesize of input 348 treesize of output 249 [2021-11-03 04:20:27,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:27,193 INFO L354 Elim1Store]: treesize reduction 129, result has 19.4 percent of original size [2021-11-03 04:20:27,193 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 3 case distinctions, treesize of input 108 treesize of output 97 [2021-11-03 04:20:27,212 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:20:27,212 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 114 treesize of output 94 [2021-11-03 04:20:27,278 INFO L354 Elim1Store]: treesize reduction 48, result has 50.5 percent of original size [2021-11-03 04:20:27,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 122 [2021-11-03 04:20:28,065 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-11-03 04:20:28,066 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 38 [2021-11-03 04:20:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:28,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:29,772 INFO L354 Elim1Store]: treesize reduction 421, result has 34.6 percent of original size [2021-11-03 04:20:29,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 1209 treesize of output 1033 [2021-11-03 04:20:30,291 INFO L354 Elim1Store]: treesize reduction 411, result has 36.2 percent of original size [2021-11-03 04:20:30,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 1033 treesize of output 867 [2021-11-03 04:20:31,214 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-03 04:20:31,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:20:31,331 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-11-03 04:20:31,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2021-11-03 04:20:31,518 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-11-03 04:20:31,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2021-11-03 04:20:31,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 8 treesize of output 4 [2021-11-03 04:20:31,823 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:31,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 8 treesize of output 4 [2021-11-03 04:20:32,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:32,347 INFO L354 Elim1Store]: treesize reduction 16, result has 30.4 percent of original size [2021-11-03 04:20:32,348 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 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-03 04:20:32,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:32,508 INFO L354 Elim1Store]: treesize reduction 16, result has 30.4 percent of original size [2021-11-03 04:20:32,508 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 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-03 04:20:32,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:32,732 INFO L354 Elim1Store]: treesize reduction 16, result has 30.4 percent of original size [2021-11-03 04:20:32,732 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 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-03 04:20:33,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:33,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:33,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:33,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:33,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:33,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:34,645 INFO L354 Elim1Store]: treesize reduction 11, result has 64.5 percent of original size [2021-11-03 04:20:34,646 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 40 treesize of output 47 [2021-11-03 04:20:35,283 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:35,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2021-11-03 04:20:35,438 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:35,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-03 04:20:35,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:35,645 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:35,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-03 04:20:35,913 INFO L354 Elim1Store]: treesize reduction 3, result has 72.7 percent of original size [2021-11-03 04:20:35,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-03 04:20:35,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:35,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 27 treesize of output 19 [2021-11-03 04:20:36,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:36,574 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-03 04:20:36,574 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 2 case distinctions, treesize of input 35 treesize of output 34 [2021-11-03 04:20:36,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:36,750 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:36,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 34 [2021-11-03 04:20:36,807 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:36,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:36,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:36,845 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:36,846 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 2 case distinctions, treesize of input 35 treesize of output 23 [2021-11-03 04:20:36,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:37,007 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:37,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 34 [2021-11-03 04:20:37,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:37,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:37,181 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-11-03 04:20:37,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:37,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:37,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:37,331 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:37,331 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 2 case distinctions, treesize of input 35 treesize of output 23 [2021-11-03 04:20:38,741 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:38,741 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 17 treesize of output 9 [2021-11-03 04:20:38,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:38,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:38,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:38,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:38,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:39,052 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 4 [2021-11-03 04:20:39,121 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 4 [2021-11-03 04:20:39,492 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:39,506 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:39,536 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:39,613 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:39,626 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:39,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:39,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:39,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:39,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:40,094 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:40,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:40,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2021-11-03 04:20:40,360 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-03 04:20:40,360 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 3 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:40,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:40,395 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-03 04:20:40,396 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 3 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:40,514 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:40,514 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 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:40,603 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:40,603 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 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:40,715 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:40,716 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 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:40,894 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-03 04:20:40,894 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 25 treesize of output 13 [2021-11-03 04:20:41,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:41,051 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:41,051 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 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:42,392 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:42,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:20:42,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:42,586 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-03 04:20:42,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:42,808 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-03 04:20:42,808 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 3 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:42,944 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:42,945 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 1 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:43,098 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:43,098 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 1 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:43,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:43,443 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:43,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-03 04:20:43,650 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-03 04:20:43,650 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 30 treesize of output 26 [2021-11-03 04:20:44,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:44,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,524 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:44,526 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 1 case distinctions, treesize of input 33 treesize of output 29 [2021-11-03 04:20:44,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,579 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:44,579 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 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:44,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:44,650 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 1 case distinctions, treesize of input 33 treesize of output 29 [2021-11-03 04:20:44,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:44,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:44,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:45,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:45,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:45,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:45,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:45,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:45,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:45,547 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:45,548 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 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:45,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:45,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:45,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:45,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 19 [2021-11-03 04:20:46,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:46,457 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:20:46,458 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 2 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:46,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:46,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:46,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:46,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:46,722 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:20:46,723 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 2 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:46,818 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:47,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:47,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:47,234 INFO L354 Elim1Store]: treesize reduction 36, result has 21.7 percent of original size [2021-11-03 04:20:47,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 33 [2021-11-03 04:20:47,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:47,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:47,470 INFO L354 Elim1Store]: treesize reduction 36, result has 21.7 percent of original size [2021-11-03 04:20:47,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 33 [2021-11-03 04:20:47,531 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:47,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:47,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:47,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:47,569 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:47,569 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 1 case distinctions, treesize of input 41 treesize of output 23 [2021-11-03 04:20:48,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:48,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:48,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:48,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:48,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 19 [2021-11-03 04:20:48,131 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:48,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:48,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:48,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:48,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:48,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 19 [2021-11-03 04:20:48,263 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:49,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:49,504 INFO L354 Elim1Store]: treesize reduction 22, result has 59.3 percent of original size [2021-11-03 04:20:49,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 86 [2021-11-03 04:20:49,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:49,745 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:49,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:49,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:49,855 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:49,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 65 [2021-11-03 04:20:49,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:49,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:49,959 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:49,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 65 [2021-11-03 04:20:50,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:50,095 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-11-03 04:20:50,096 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 2 case distinctions, treesize of input 54 treesize of output 53 [2021-11-03 04:20:50,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:50,247 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:51,100 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:51,117 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:51,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:51,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:51,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:51,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:51,462 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-11-03 04:20:51,463 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 2 case distinctions, treesize of input 54 treesize of output 53 [2021-11-03 04:20:51,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:51,545 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:52,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:52,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:52,091 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:52,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 54 [2021-11-03 04:20:52,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:52,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:52,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 44 [2021-11-03 04:20:52,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:52,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:52,408 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:52,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 44 [2021-11-03 04:20:52,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:52,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:52,746 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-03 04:20:52,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 30 [2021-11-03 04:20:53,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:53,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:53,026 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:53,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:54,015 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:54,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:54,045 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:54,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:54,663 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:57,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 19 [2021-11-03 04:20:57,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:57,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,632 INFO L354 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2021-11-03 04:20:57,633 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 3 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:57,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:57,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:57,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 25 treesize of output 15 [2021-11-03 04:20:57,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 19 [2021-11-03 04:20:57,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:57,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 19 [2021-11-03 04:20:58,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:58,080 INFO L354 Elim1Store]: treesize reduction 103, result has 33.1 percent of original size [2021-11-03 04:20:58,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 272 treesize of output 268 [2021-11-03 04:20:58,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:58,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:58,771 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:58,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:58,810 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:58,810 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 1 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:58,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:58,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:58,858 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-03 04:20:58,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 88 [2021-11-03 04:20:58,915 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:58,915 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 1 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:58,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:58,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:58,972 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-03 04:20:58,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 88 [2021-11-03 04:20:59,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:59,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:59,133 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-03 04:20:59,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 101 [2021-11-03 04:20:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:59,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:59,200 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:59,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:59,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:59,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:59,584 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-03 04:20:59,584 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 5 case distinctions, treesize of input 49 treesize of output 23 [2021-11-03 04:21:00,409 INFO L354 Elim1Store]: treesize reduction 30, result has 55.2 percent of original size [2021-11-03 04:21:00,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 894 treesize of output 834 [2021-11-03 04:21:07,329 INFO L354 Elim1Store]: treesize reduction 374, result has 62.8 percent of original size [2021-11-03 04:21:07,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 1 disjoint index pairs (out of 105 index pairs), introduced 16 new quantified variables, introduced 105 case distinctions, treesize of input 1497 treesize of output 1573