./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 03:26:14,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:26:14,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:26:14,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:26:14,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:26:14,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:26:14,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:26:14,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:26:14,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:26:14,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:26:14,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:26:14,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:26:14,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:26:14,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:26:14,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:26:14,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:26:14,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:26:14,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:26:14,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:26:14,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:26:14,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:26:14,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:26:14,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:26:14,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:26:14,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:26:14,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:26:14,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:26:14,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:26:14,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:26:14,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:26:14,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:26:14,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:26:14,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:26:14,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:26:14,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:26:14,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:26:14,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:26:14,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:26:14,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:26:14,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:26:14,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:26:14,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:26:14,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:26:14,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:26:14,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:26:14,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:26:14,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:26:14,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:26:14,259 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:26:14,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:26:14,259 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:26:14,260 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:26:14,260 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:26:14,260 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:26:14,260 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:26:14,260 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:26:14,261 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:26:14,261 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:26:14,261 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:26:14,261 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:26:14,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:26:14,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:26:14,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:26:14,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:26:14,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:26:14,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:26:14,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:26:14,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:26:14,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:26:14,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:26:14,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:26:14,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:26:14,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:26:14,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:26:14,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:26:14,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:26:14,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:26:14,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:26:14,265 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:26:14,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:26:14,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:26:14,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:26:14,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:26:14,266 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2021-11-23 03:26:14,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:26:14,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:26:14,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:26:14,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:26:14,600 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:26:14,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-23 03:26:14,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/data/66d633569/3280f054dd894efeba799ecc8188e343/FLAG86dd820b3 [2021-11-23 03:26:15,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:26:15,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-23 03:26:15,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/data/66d633569/3280f054dd894efeba799ecc8188e343/FLAG86dd820b3 [2021-11-23 03:26:15,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/data/66d633569/3280f054dd894efeba799ecc8188e343 [2021-11-23 03:26:15,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:26:15,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:26:15,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:26:15,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:26:15,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:26:15,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:15" (1/1) ... [2021-11-23 03:26:15,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372f3ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15, skipping insertion in model container [2021-11-23 03:26:15,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:15" (1/1) ... [2021-11-23 03:26:15,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:26:15,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:26:15,937 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-23 03:26:15,952 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-23 03:26:15,954 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-23 03:26:15,957 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-23 03:26:15,959 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-23 03:26:15,961 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-23 03:26:15,967 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-23 03:26:15,968 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-23 03:26:15,971 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-23 03:26:15,973 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-23 03:26:15,974 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-23 03:26:15,976 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-23 03:26:15,978 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-23 03:26:15,982 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-23 03:26:15,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:26:15,999 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:26:16,044 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-23 03:26:16,045 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-23 03:26:16,046 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-23 03:26:16,046 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-23 03:26:16,047 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-23 03:26:16,048 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-23 03:26:16,049 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-23 03:26:16,050 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-23 03:26:16,050 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-23 03:26:16,051 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-23 03:26:16,052 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-23 03:26:16,053 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-23 03:26:16,058 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-23 03:26:16,062 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_665b404d-f58e-4f6f-b615-b0dcef9a956c/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-23 03:26:16,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:26:16,100 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:26:16,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16 WrapperNode [2021-11-23 03:26:16,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:26:16,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:26:16,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:26:16,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:26:16,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,154 INFO L137 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 223 [2021-11-23 03:26:16,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:26:16,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:26:16,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:26:16,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:26:16,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:26:16,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:26:16,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:26:16,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:26:16,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (1/1) ... [2021-11-23 03:26:16,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:26:16,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:26:16,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:26:16,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:26:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:26:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:26:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:26:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:26:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:26:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:26:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:26:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:26:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:26:16,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:26:16,372 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:26:16,374 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:26:16,769 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:26:16,842 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:26:16,842 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-23 03:26:16,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16 BoogieIcfgContainer [2021-11-23 03:26:16,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:26:16,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:26:16,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:26:16,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:26:16,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:26:15" (1/3) ... [2021-11-23 03:26:16,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d5853e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:16, skipping insertion in model container [2021-11-23 03:26:16,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:16" (2/3) ... [2021-11-23 03:26:16,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d5853e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:16, skipping insertion in model container [2021-11-23 03:26:16,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16" (3/3) ... [2021-11-23 03:26:16,864 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-queue-2.i [2021-11-23 03:26:16,875 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:26:16,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-23 03:26:16,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:26:16,935 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 [2021-11-23 03:26:16,935 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-23 03:26:16,953 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) [2021-11-23 03:26:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 03:26:16,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:26:16,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 03:26:16,960 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)] === [2021-11-23 03:26:16,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:26:16,966 INFO L85 PathProgramCache]: Analyzing trace with hash 11205579, now seen corresponding path program 1 times [2021-11-23 03:26:16,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:26:16,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819955049] [2021-11-23 03:26:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:26:16,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:26:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:26:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:17,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:26:17,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819955049] [2021-11-23 03:26:17,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819955049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:26:17,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:26:17,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:26:17,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694276204] [2021-11-23 03:26:17,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:26:17,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:26:17,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:26:17,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:26:17,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:26:17,167 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) [2021-11-23 03:26:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:26:17,212 INFO L93 Difference]: Finished difference Result 151 states and 249 transitions. [2021-11-23 03:26:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:26:17,215 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 [2021-11-23 03:26:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:26:17,224 INFO L225 Difference]: With dead ends: 151 [2021-11-23 03:26:17,224 INFO L226 Difference]: Without dead ends: 74 [2021-11-23 03:26:17,227 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 [2021-11-23 03:26:17,231 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 [2021-11-23 03:26:17,232 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] [2021-11-23 03:26:17,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-23 03:26:17,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-23 03:26:17,267 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) [2021-11-23 03:26:17,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2021-11-23 03:26:17,271 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 4 [2021-11-23 03:26:17,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:26:17,271 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2021-11-23 03:26:17,272 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) [2021-11-23 03:26:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-23 03:26:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 03:26:17,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:26:17,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 03:26:17,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:26:17,274 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)] === [2021-11-23 03:26:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:26:17,275 INFO L85 PathProgramCache]: Analyzing trace with hash 345948564, now seen corresponding path program 1 times [2021-11-23 03:26:17,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:26:17,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691876933] [2021-11-23 03:26:17,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:26:17,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:26:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:26:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:17,345 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:26:17,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691876933] [2021-11-23 03:26:17,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691876933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:26:17,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:26:17,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:26:17,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022079228] [2021-11-23 03:26:17,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:26:17,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:26:17,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:26:17,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:26:17,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:26:17,350 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) [2021-11-23 03:26:17,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:26:17,410 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2021-11-23 03:26:17,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:26:17,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-23 03:26:17,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:26:17,412 INFO L225 Difference]: With dead ends: 74 [2021-11-23 03:26:17,412 INFO L226 Difference]: Without dead ends: 64 [2021-11-23 03:26:17,412 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 [2021-11-23 03:26:17,414 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:26:17,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 51 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:26:17,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-23 03:26:17,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-23 03:26:17,422 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) [2021-11-23 03:26:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-23 03:26:17,424 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 5 [2021-11-23 03:26:17,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:26:17,424 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-23 03:26:17,425 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) [2021-11-23 03:26:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-23 03:26:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 03:26:17,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:26:17,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:26:17,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:26:17,426 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)] === [2021-11-23 03:26:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:26:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1744215704, now seen corresponding path program 1 times [2021-11-23 03:26:17,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:26:17,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032821930] [2021-11-23 03:26:17,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:26:17,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:26:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:26:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:17,548 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:26:17,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032821930] [2021-11-23 03:26:17,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032821930] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:26:17,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:26:17,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:26:17,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996192800] [2021-11-23 03:26:17,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:26:17,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:26:17,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:26:17,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:26:17,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:26:17,552 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) [2021-11-23 03:26:17,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:26:17,703 INFO L93 Difference]: Finished difference Result 158 states and 168 transitions. [2021-11-23 03:26:17,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:26:17,704 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 [2021-11-23 03:26:17,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:26:17,705 INFO L225 Difference]: With dead ends: 158 [2021-11-23 03:26:17,706 INFO L226 Difference]: Without dead ends: 104 [2021-11-23 03:26:17,707 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 [2021-11-23 03:26:17,708 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 [2021-11-23 03:26:17,709 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] [2021-11-23 03:26:17,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-23 03:26:17,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 67. [2021-11-23 03:26:17,719 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) [2021-11-23 03:26:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2021-11-23 03:26:17,720 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 7 [2021-11-23 03:26:17,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:26:17,721 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2021-11-23 03:26:17,721 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) [2021-11-23 03:26:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-23 03:26:17,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 03:26:17,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:26:17,723 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:26:17,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:26:17,724 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)] === [2021-11-23 03:26:17,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:26:17,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1473412240, now seen corresponding path program 1 times [2021-11-23 03:26:17,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:26:17,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952652744] [2021-11-23 03:26:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:26:17,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:26:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:26:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:17,801 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:26:17,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952652744] [2021-11-23 03:26:17,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952652744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:26:17,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:26:17,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:26:17,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835275510] [2021-11-23 03:26:17,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:26:17,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:26:17,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:26:17,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:26:17,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:26:17,806 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) [2021-11-23 03:26:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:26:17,861 INFO L93 Difference]: Finished difference Result 122 states and 130 transitions. [2021-11-23 03:26:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:26:17,862 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 [2021-11-23 03:26:17,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:26:17,863 INFO L225 Difference]: With dead ends: 122 [2021-11-23 03:26:17,863 INFO L226 Difference]: Without dead ends: 78 [2021-11-23 03:26:17,864 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 [2021-11-23 03:26:17,865 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:26:17,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:26:17,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-23 03:26:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2021-11-23 03:26:17,873 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) [2021-11-23 03:26:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2021-11-23 03:26:17,874 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 12 [2021-11-23 03:26:17,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:26:17,874 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2021-11-23 03:26:17,874 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) [2021-11-23 03:26:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-11-23 03:26:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 03:26:17,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:26:17,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:26:17,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:26:17,876 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)] === [2021-11-23 03:26:17,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:26:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1577016761, now seen corresponding path program 1 times [2021-11-23 03:26:17,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:26:17,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466597264] [2021-11-23 03:26:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:26:17,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:26:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:26:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:17,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:26:17,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466597264] [2021-11-23 03:26:17,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466597264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:26:17,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:26:17,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:26:17,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085081416] [2021-11-23 03:26:17,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:26:17,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:26:17,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:26:17,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:26:17,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:26:17,930 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) [2021-11-23 03:26:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:26:18,020 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2021-11-23 03:26:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:26:18,021 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 [2021-11-23 03:26:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:26:18,022 INFO L225 Difference]: With dead ends: 78 [2021-11-23 03:26:18,022 INFO L226 Difference]: Without dead ends: 64 [2021-11-23 03:26:18,022 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 [2021-11-23 03:26:18,023 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 [2021-11-23 03:26:18,024 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] [2021-11-23 03:26:18,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-23 03:26:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-23 03:26:18,031 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) [2021-11-23 03:26:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-23 03:26:18,032 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2021-11-23 03:26:18,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:26:18,032 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-23 03:26:18,033 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) [2021-11-23 03:26:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-23 03:26:18,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:26:18,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:26:18,034 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:26:18,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:26:18,036 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)] === [2021-11-23 03:26:18,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:26:18,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1610313588, now seen corresponding path program 1 times [2021-11-23 03:26:18,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:26:18,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717815197] [2021-11-23 03:26:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:26:18,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:26:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:26:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:18,153 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:26:18,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717815197] [2021-11-23 03:26:18,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717815197] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:26:18,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624917700] [2021-11-23 03:26:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:26:18,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:26:18,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:26:18,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:26:18,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665b404d-f58e-4f6f-b615-b0dcef9a956c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:26:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:26:18,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 03:26:18,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:26:18,411 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 [2021-11-23 03:26:18,691 INFO L354 Elim1Store]: treesize reduction 544, result has 9.3 percent of original size [2021-11-23 03:26:18,691 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 [2021-11-23 03:26:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:26:18,755 INFO L354 Elim1Store]: treesize reduction 129, result has 19.4 percent of original size [2021-11-23 03:26:18,756 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 [2021-11-23 03:26:18,770 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 03:26:18,771 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 [2021-11-23 03:26:18,793 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-11-23 03:26:18,794 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 [2021-11-23 03:26:19,520 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-11-23 03:26:19,521 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 [2021-11-23 03:26:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:26:19,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:26:20,200 INFO L354 Elim1Store]: treesize reduction 807, result has 23.8 percent of original size [2021-11-23 03:26:20,200 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 [2021-11-23 03:26:20,611 INFO L354 Elim1Store]: treesize reduction 421, result has 34.6 percent of original size [2021-11-23 03:26:20,612 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 [2021-11-23 03:26:21,239 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:21,240 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 [2021-11-23 03:26:21,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:21,326 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 [2021-11-23 03:26:21,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:21,435 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 [2021-11-23 03:26:21,504 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:21,504 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 [2021-11-23 03:26:22,009 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-23 03:26:22,010 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 [2021-11-23 03:26:22,172 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-23 03:26:22,172 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 [2021-11-23 03:26:22,295 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-23 03:26:22,296 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 [2021-11-23 03:26:22,444 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-23 03:26:22,444 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 [2021-11-23 03:26:23,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:23,387 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 [2021-11-23 03:26:23,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:23,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 03:26:23,818 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:23,818 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 [2021-11-23 03:26:24,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:24,121 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-23 03:26:24,121 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 [2021-11-23 03:26:24,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:24,249 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-23 03:26:24,250 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 [2021-11-23 03:26:24,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:24,370 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-23 03:26:24,370 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 [2021-11-23 03:26:24,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:24,439 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 [2021-11-23 03:26:25,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,443 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 [2021-11-23 03:26:25,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,484 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 [2021-11-23 03:26:25,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,566 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 [2021-11-23 03:26:25,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,682 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 03:26:25,683 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 [2021-11-23 03:26:25,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,743 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 [2021-11-23 03:26:25,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:25,866 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 [2021-11-23 03:26:26,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:26,443 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 03:26:26,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 03:26:26,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:26,504 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-23 03:26:26,505 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 [2021-11-23 03:26:26,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:26,638 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-23 03:26:26,639 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 [2021-11-23 03:26:26,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:26,811 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 03:26:26,812 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 [2021-11-23 03:26:26,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:26,872 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 03:26:26,872 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 [2021-11-23 03:26:27,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,020 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 03:26:27,021 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 [2021-11-23 03:26:27,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,219 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-23 03:26:27,220 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 [2021-11-23 03:26:27,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,391 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-23 03:26:27,391 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 [2021-11-23 03:26:27,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:27,448 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-23 03:26:27,448 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 [2021-11-23 03:26:28,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:28,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:28,138 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:28,139 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 [2021-11-23 03:26:28,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:28,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:28,249 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:28,250 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 [2021-11-23 03:26:28,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:28,423 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 [2021-11-23 03:26:28,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:28,502 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 [2021-11-23 03:26:28,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:28,935 INFO L354 Elim1Store]: treesize reduction 11, result has 71.1 percent of original size [2021-11-23 03:26:28,936 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 [2021-11-23 03:26:29,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:29,098 INFO L354 Elim1Store]: treesize reduction 11, result has 79.6 percent of original size [2021-11-23 03:26:29,098 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 [2021-11-23 03:26:29,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:29,706 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:29,706 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 [2021-11-23 03:26:29,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:29,830 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 [2021-11-23 03:26:29,872 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:29,900 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:29,925 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,000 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,049 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,076 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,268 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 03:26:30,269 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 [2021-11-23 03:26:30,349 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,397 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,525 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 03:26:30,526 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 [2021-11-23 03:26:30,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,603 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 03:26:30,603 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 [2021-11-23 03:26:30,674 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,714 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:30,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,835 INFO L354 Elim1Store]: treesize reduction 33, result has 28.3 percent of original size [2021-11-23 03:26:30,835 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 [2021-11-23 03:26:30,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:26:30,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:30,971 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 [2021-11-23 03:26:31,211 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:31,246 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:31,280 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:31,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:31,358 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 [2021-11-23 03:26:31,437 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:31,487 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:31,523 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:32,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:32,181 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:32,181 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 [2021-11-23 03:26:32,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:32,998 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 [2021-11-23 03:26:33,077 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 [2021-11-23 03:26:33,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:33,089 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 [2021-11-23 03:26:33,138 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 [2021-11-23 03:26:33,293 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:33,332 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:33,388 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 [2021-11-23 03:26:33,686 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-23 03:26:33,686 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 [2021-11-23 03:26:33,763 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:33,829 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:34,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:34,062 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-23 03:26:34,063 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 [2021-11-23 03:26:34,256 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-23 03:26:34,257 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 [2021-11-23 03:26:34,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:34,331 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-23 03:26:34,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 13 [2021-11-23 03:26:35,243 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:35,274 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:35,389 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:35,415 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-23 03:26:36,430 INFO L354 Elim1Store]: treesize reduction 22, result has 62.1 percent of original size [2021-11-23 03:26:36,430 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 [2021-11-23 03:26:37,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:37,530 INFO L354 Elim1Store]: treesize reduction 41, result has 51.8 percent of original size [2021-11-23 03:26:37,531 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 [2021-11-23 03:26:37,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:37,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:37,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:37,949 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 [2021-11-23 03:26:38,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:38,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:38,318 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:26:38,319 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 [2021-11-23 03:26:38,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:26:38,872 INFO L354 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2021-11-23 03:26:38,872 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 [2021-11-23 03:26:39,443 INFO L354 Elim1Store]: treesize reduction 94, result has 40.5 percent of original size [2021-11-23 03:26:39,444 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 [2021-11-23 03:26:46,707 INFO L354 Elim1Store]: treesize reduction 196, result has 77.6 percent of original size [2021-11-23 03:26:46,708 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