./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P --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-53f42b1 [2021-11-21 01:14:25,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:14:25,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:14:25,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:14:25,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:14:25,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:14:25,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:14:25,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:14:25,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:14:25,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:14:25,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:14:25,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:14:25,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:14:25,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:14:25,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:14:25,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:14:25,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:14:25,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:14:25,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:14:25,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:14:25,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:14:25,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:14:25,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:14:25,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:14:25,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:14:25,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:14:25,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:14:25,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:14:25,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:14:25,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:14:25,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:14:25,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:14:25,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:14:25,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:14:25,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:14:25,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:14:25,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:14:25,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:14:25,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:14:25,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:14:25,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:14:25,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:14:25,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:14:25,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:14:25,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:14:25,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:14:25,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:14:25,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:14:25,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:14:25,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:14:25,249 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:14:25,250 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:14:25,250 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:14:25,250 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:14:25,250 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:14:25,250 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:14:25,251 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:14:25,251 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:14:25,251 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:14:25,251 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:14:25,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:14:25,253 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:14:25,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:14:25,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:14:25,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:14:25,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:14:25,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:14:25,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:14:25,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:14:25,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:14:25,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:14:25,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:14:25,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:14:25,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:14:25,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:14:25,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:14:25,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:14:25,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:14:25,257 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:14:25,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:14:25,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:14:25,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:14:25,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:14:25,258 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_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2021-11-21 01:14:25,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:14:25,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:14:25,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:14:25,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:14:25,552 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:14:25,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-21 01:14:25,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/data/5405ebbdb/651e6d9fd5974478b124ffb3aff15762/FLAGaf04cfcea [2021-11-21 01:14:26,087 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:14:26,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-21 01:14:26,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/data/5405ebbdb/651e6d9fd5974478b124ffb3aff15762/FLAGaf04cfcea [2021-11-21 01:14:26,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/data/5405ebbdb/651e6d9fd5974478b124ffb3aff15762 [2021-11-21 01:14:26,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:14:26,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:14:26,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:14:26,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:14:26,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:14:26,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:26,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7c9551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26, skipping insertion in model container [2021-11-21 01:14:26,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:26,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:14:26,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:14:26,807 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-21 01:14:26,813 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-21 01:14:26,815 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-21 01:14:26,817 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-21 01:14:26,818 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-21 01:14:26,820 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-21 01:14:26,823 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-21 01:14:26,824 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-21 01:14:26,828 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-21 01:14:26,829 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-21 01:14:26,831 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-21 01:14:26,833 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-21 01:14:26,835 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-21 01:14:26,836 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-21 01:14:26,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:14:26,848 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:14:26,882 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-21 01:14:26,884 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-21 01:14:26,885 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-21 01:14:26,886 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-21 01:14:26,887 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-21 01:14:26,888 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-21 01:14:26,889 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-21 01:14:26,890 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-21 01:14:26,891 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-21 01:14:26,892 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-21 01:14:26,893 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-21 01:14:26,899 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-21 01:14:26,900 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-21 01:14:26,901 WARN L230 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_541d38bb-6425-4928-b39d-dce103b7f570/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-21 01:14:26,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:14:26,931 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:14:26,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26 WrapperNode [2021-11-21 01:14:26,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:14:26,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:14:26,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:14:26,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:14:26,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:26,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,025 INFO L137 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 223 [2021-11-21 01:14:27,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:14:27,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:14:27,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:14:27,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:14:27,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:14:27,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:14:27,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:14:27,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:14:27,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (1/1) ... [2021-11-21 01:14:27,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:14:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:14:27,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:14:27,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:14:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:14:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:14:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:14:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:14:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:14:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:14:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:14:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:14:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:14:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:14:27,399 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:14:27,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:14:27,704 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:14:27,749 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:14:27,749 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-21 01:14:27,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:14:27 BoogieIcfgContainer [2021-11-21 01:14:27,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:14:27,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:14:27,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:14:27,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:14:27,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:14:26" (1/3) ... [2021-11-21 01:14:27,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46138e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:14:27, skipping insertion in model container [2021-11-21 01:14:27,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:14:26" (2/3) ... [2021-11-21 01:14:27,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46138e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:14:27, skipping insertion in model container [2021-11-21 01:14:27,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:14:27" (3/3) ... [2021-11-21 01:14:27,761 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-queue-2.i [2021-11-21 01:14:27,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:14:27,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-21 01:14:27,821 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:14:27,834 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 [2021-11-21 01:14:27,834 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-21 01:14:27,865 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) [2021-11-21 01:14:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:14:27,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:27,875 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:14:27,876 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)] === [2021-11-21 01:14:27,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:27,887 INFO L85 PathProgramCache]: Analyzing trace with hash 11205579, now seen corresponding path program 1 times [2021-11-21 01:14:27,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:27,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256141800] [2021-11-21 01:14:27,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:27,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:14:28,100 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:28,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256141800] [2021-11-21 01:14:28,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256141800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:14:28,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:14:28,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:14:28,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799384498] [2021-11-21 01:14:28,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:14:28,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:14:28,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:14:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:14:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:14:28,148 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) [2021-11-21 01:14:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:14:28,212 INFO L93 Difference]: Finished difference Result 151 states and 249 transitions. [2021-11-21 01:14:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:14:28,214 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 [2021-11-21 01:14:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:14:28,223 INFO L225 Difference]: With dead ends: 151 [2021-11-21 01:14:28,223 INFO L226 Difference]: Without dead ends: 74 [2021-11-21 01:14:28,226 INFO L932 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 [2021-11-21 01:14:28,230 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:14:28,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:14:28,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-21 01:14:28,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-21 01:14:28,264 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) [2021-11-21 01:14:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2021-11-21 01:14:28,268 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 4 [2021-11-21 01:14:28,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:14:28,269 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2021-11-21 01:14:28,269 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) [2021-11-21 01:14:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-21 01:14:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 01:14:28,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:28,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-21 01:14:28,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:14:28,271 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)] === [2021-11-21 01:14:28,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:28,272 INFO L85 PathProgramCache]: Analyzing trace with hash 345948564, now seen corresponding path program 1 times [2021-11-21 01:14:28,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:28,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340814854] [2021-11-21 01:14:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:28,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:14:28,353 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:28,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340814854] [2021-11-21 01:14:28,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340814854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:14:28,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:14:28,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:14:28,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082685551] [2021-11-21 01:14:28,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:14:28,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:14:28,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:14:28,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:14:28,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:14:28,357 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) [2021-11-21 01:14:28,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:14:28,465 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2021-11-21 01:14:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:14:28,465 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 [2021-11-21 01:14:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:14:28,467 INFO L225 Difference]: With dead ends: 74 [2021-11-21 01:14:28,467 INFO L226 Difference]: Without dead ends: 64 [2021-11-21 01:14:28,467 INFO L932 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 [2021-11-21 01:14:28,469 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:14:28,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 51 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:14:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-21 01:14:28,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-21 01:14:28,490 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) [2021-11-21 01:14:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-21 01:14:28,492 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 5 [2021-11-21 01:14:28,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:14:28,493 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-21 01:14:28,493 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) [2021-11-21 01:14:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-21 01:14:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 01:14:28,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:28,494 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:14:28,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:14:28,507 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)] === [2021-11-21 01:14:28,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:28,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1744215704, now seen corresponding path program 1 times [2021-11-21 01:14:28,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:28,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130475705] [2021-11-21 01:14:28,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:28,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:14:28,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:28,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130475705] [2021-11-21 01:14:28,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130475705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:14:28,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:14:28,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:14:28,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527315798] [2021-11-21 01:14:28,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:14:28,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:14:28,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:14:28,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:14:28,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:14:28,649 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:14:28,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:14:28,832 INFO L93 Difference]: Finished difference Result 158 states and 168 transitions. [2021-11-21 01:14:28,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:14:28,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-21 01:14:28,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:14:28,835 INFO L225 Difference]: With dead ends: 158 [2021-11-21 01:14:28,835 INFO L226 Difference]: Without dead ends: 104 [2021-11-21 01:14:28,836 INFO L932 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 [2021-11-21 01:14:28,838 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 138 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:14:28,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 92 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:14:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-21 01:14:28,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 67. [2021-11-21 01:14:28,848 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) [2021-11-21 01:14:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2021-11-21 01:14:28,850 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 7 [2021-11-21 01:14:28,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:14:28,851 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2021-11-21 01:14:28,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:14:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-21 01:14:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 01:14:28,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:28,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:14:28,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:14:28,853 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-21 01:14:28,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1473412240, now seen corresponding path program 1 times [2021-11-21 01:14:28,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:28,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830907159] [2021-11-21 01:14:28,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:28,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:14:28,936 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:28,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830907159] [2021-11-21 01:14:28,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830907159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:14:28,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:14:28,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:14:28,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296477419] [2021-11-21 01:14:28,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:14:28,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:14:28,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:14:28,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:14:28,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:14:28,947 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) [2021-11-21 01:14:29,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:14:29,049 INFO L93 Difference]: Finished difference Result 122 states and 130 transitions. [2021-11-21 01:14:29,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:14:29,056 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 [2021-11-21 01:14:29,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:14:29,057 INFO L225 Difference]: With dead ends: 122 [2021-11-21 01:14:29,057 INFO L226 Difference]: Without dead ends: 78 [2021-11-21 01:14:29,058 INFO L932 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 [2021-11-21 01:14:29,059 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:14:29,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:14:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-21 01:14:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2021-11-21 01:14:29,068 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) [2021-11-21 01:14:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2021-11-21 01:14:29,069 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 12 [2021-11-21 01:14:29,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:14:29,070 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2021-11-21 01:14:29,070 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) [2021-11-21 01:14:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-11-21 01:14:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 01:14:29,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:29,071 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:14:29,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:14:29,072 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-21 01:14:29,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:29,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1577016761, now seen corresponding path program 1 times [2021-11-21 01:14:29,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:29,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469382518] [2021-11-21 01:14:29,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:29,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:14:29,146 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:29,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469382518] [2021-11-21 01:14:29,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469382518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:14:29,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:14:29,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:14:29,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393447356] [2021-11-21 01:14:29,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:14:29,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:14:29,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:14:29,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:14:29,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:14:29,149 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) [2021-11-21 01:14:29,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:14:29,288 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2021-11-21 01:14:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:14:29,289 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 [2021-11-21 01:14:29,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:14:29,290 INFO L225 Difference]: With dead ends: 78 [2021-11-21 01:14:29,290 INFO L226 Difference]: Without dead ends: 64 [2021-11-21 01:14:29,291 INFO L932 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 [2021-11-21 01:14:29,292 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 3 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:14:29,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 171 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:14:29,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-21 01:14:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-21 01:14:29,310 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) [2021-11-21 01:14:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-21 01:14:29,311 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2021-11-21 01:14:29,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:14:29,312 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-21 01:14:29,312 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) [2021-11-21 01:14:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-21 01:14:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:14:29,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:29,314 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:14:29,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:14:29,314 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-21 01:14:29,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:29,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1610313588, now seen corresponding path program 1 times [2021-11-21 01:14:29,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:29,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896091118] [2021-11-21 01:14:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:29,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:14:29,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:29,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896091118] [2021-11-21 01:14:29,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896091118] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:14:29,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950344280] [2021-11-21 01:14:29,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:29,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:14:29,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:14:29,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:14:29,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d38bb-6425-4928-b39d-dce103b7f570/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:14:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:29,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 01:14:29,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:14:29,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 01:14:29,899 INFO L354 Elim1Store]: treesize reduction 544, result has 9.3 percent of original size [2021-11-21 01:14:29,899 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 323 treesize of output 224 [2021-11-21 01:14:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:29,971 INFO L354 Elim1Store]: treesize reduction 129, result has 19.4 percent of original size [2021-11-21 01:14:29,971 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 83 treesize of output 72 [2021-11-21 01:14:29,994 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 01:14:29,994 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 89 treesize of output 69 [2021-11-21 01:14:30,019 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-11-21 01:14:30,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 63 treesize of output 63 [2021-11-21 01:14:30,805 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-11-21 01:14:30,805 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 [2021-11-21 01:14:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:14:30,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:14:31,528 INFO L354 Elim1Store]: treesize reduction 807, result has 23.8 percent of original size [2021-11-21 01:14:31,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 1439 treesize of output 1125 [2021-11-21 01:14:31,944 INFO L354 Elim1Store]: treesize reduction 421, result has 34.6 percent of original size [2021-11-21 01:14:31,946 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 938 treesize of output 762 [2021-11-21 01:14:32,548 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:32,549 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 22 treesize of output 22 [2021-11-21 01:14:32,659 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:32,659 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 22 treesize of output 22 [2021-11-21 01:14:32,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:32,802 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 22 treesize of output 14 [2021-11-21 01:14:32,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:32,869 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 22 treesize of output 22 [2021-11-21 01:14:33,368 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-21 01:14:33,369 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 [2021-11-21 01:14:33,512 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-21 01:14:33,512 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 [2021-11-21 01:14:33,691 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-21 01:14:33,692 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 [2021-11-21 01:14:33,843 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-21 01:14:33,843 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 [2021-11-21 01:14:34,783 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:34,784 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 [2021-11-21 01:14:34,944 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:34,944 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 [2021-11-21 01:14:35,254 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:35,255 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 [2021-11-21 01:14:35,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:35,605 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-21 01:14:35,605 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 [2021-11-21 01:14:35,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:35,706 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-21 01:14:35,707 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 [2021-11-21 01:14:35,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:35,838 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-21 01:14:35,839 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 [2021-11-21 01:14:35,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:35,914 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 [2021-11-21 01:14:36,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:36,812 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 [2021-11-21 01:14:36,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:36,852 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 [2021-11-21 01:14:36,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:36,915 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 [2021-11-21 01:14:36,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:36,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:36,997 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-21 01:14:36,997 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 [2021-11-21 01:14:37,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,046 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 [2021-11-21 01:14:37,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,194 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 [2021-11-21 01:14:37,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,669 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 01:14:37,669 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 [2021-11-21 01:14:37,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,749 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-21 01:14:37,750 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 26 [2021-11-21 01:14:37,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:37,892 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-21 01:14:37,893 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 26 [2021-11-21 01:14:38,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,047 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 01:14:38,047 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 [2021-11-21 01:14:38,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,099 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 01:14:38,100 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 [2021-11-21 01:14:38,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,227 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 01:14:38,227 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 [2021-11-21 01:14:38,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,443 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-21 01:14:38,443 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 [2021-11-21 01:14:38,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,599 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-21 01:14:38,599 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 3 case distinctions, treesize of input 41 treesize of output 23 [2021-11-21 01:14:38,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:38,654 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-21 01:14:38,654 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 [2021-11-21 01:14:39,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:39,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:39,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:39,278 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 [2021-11-21 01:14:39,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:39,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:39,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:39,353 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 [2021-11-21 01:14:39,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:39,490 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 [2021-11-21 01:14:39,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:39,593 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 [2021-11-21 01:14:40,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:40,086 INFO L354 Elim1Store]: treesize reduction 11, result has 71.1 percent of original size [2021-11-21 01:14:40,086 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 81 [2021-11-21 01:14:40,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:40,209 INFO L354 Elim1Store]: treesize reduction 11, result has 79.6 percent of original size [2021-11-21 01:14:40,210 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 97 [2021-11-21 01:14:40,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:40,699 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:40,699 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 64 [2021-11-21 01:14:40,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:40,816 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 [2021-11-21 01:14:40,880 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:40,914 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:40,940 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,021 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,049 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,078 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,254 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-21 01:14:41,255 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 41 treesize of output 23 [2021-11-21 01:14:41,332 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,374 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,483 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-21 01:14:41,484 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 [2021-11-21 01:14:41,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,536 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-21 01:14:41,536 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 41 treesize of output 23 [2021-11-21 01:14:41,622 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,678 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:41,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,797 INFO L354 Elim1Store]: treesize reduction 33, result has 28.3 percent of original size [2021-11-21 01:14:41,798 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 62 treesize of output 57 [2021-11-21 01:14:41,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:41,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:41,917 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 [2021-11-21 01:14:42,139 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:42,171 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:42,202 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:42,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:42,272 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 [2021-11-21 01:14:42,347 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:42,383 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:42,421 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:42,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:42,967 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:42,967 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 73 [2021-11-21 01:14:43,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:43,811 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 [2021-11-21 01:14:43,900 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 17 treesize of output 9 [2021-11-21 01:14:43,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:43,924 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 [2021-11-21 01:14:43,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-21 01:14:44,131 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:44,170 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:44,226 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 [2021-11-21 01:14:44,531 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-21 01:14:44,531 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 [2021-11-21 01:14:44,604 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:44,638 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:44,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:44,856 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-21 01:14:44,856 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 13 [2021-11-21 01:14:45,059 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-21 01:14:45,059 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 13 [2021-11-21 01:14:45,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:45,154 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-21 01:14:45,154 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 13 [2021-11-21 01:14:45,833 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:45,850 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:45,947 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:45,971 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-21 01:14:46,761 INFO L354 Elim1Store]: treesize reduction 22, result has 62.1 percent of original size [2021-11-21 01:14:46,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 85 [2021-11-21 01:14:47,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:47,703 INFO L354 Elim1Store]: treesize reduction 41, result has 51.8 percent of original size [2021-11-21 01:14:47,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 75 treesize of output 94 [2021-11-21 01:14:48,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:48,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:48,084 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:48,084 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 67 treesize of output 57 [2021-11-21 01:14:48,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:48,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:48,394 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:14:48,394 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 67 treesize of output 57 [2021-11-21 01:14:48,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:48,839 INFO L354 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2021-11-21 01:14:48,840 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 67 treesize of output 65 [2021-11-21 01:14:49,339 INFO L354 Elim1Store]: treesize reduction 94, result has 40.5 percent of original size [2021-11-21 01:14:49,340 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 15 case distinctions, treesize of input 584 treesize of output 601 [2021-11-21 01:14:55,825 INFO L354 Elim1Store]: treesize reduction 196, result has 77.6 percent of original size [2021-11-21 01:14:55,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 1 disjoint index pairs (out of 91 index pairs), introduced 15 new quantified variables, introduced 91 case distinctions, treesize of input 729 treesize of output 1122