./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs --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-0f8a17c [2021-11-19 15:05:30,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:05:30,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:05:30,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:05:30,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:05:30,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:05:30,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:05:30,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:05:30,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:05:30,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:05:30,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:05:30,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:05:30,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:05:30,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:05:30,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:05:30,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:05:30,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:05:30,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:05:30,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:05:30,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:05:30,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:05:30,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:05:30,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:05:30,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:05:30,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:05:30,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:05:30,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:05:30,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:05:30,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:05:30,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:05:30,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:05:30,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:05:30,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:05:30,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:05:30,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:05:30,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:05:30,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:05:30,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:05:30,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:05:30,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:05:30,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:05:30,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 15:05:30,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:05:30,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:05:30,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:05:30,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:05:30,235 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:05:30,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:05:30,236 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:05:30,236 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:05:30,237 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:05:30,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:05:30,245 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:05:30,246 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:05:30,246 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:05:30,246 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:05:30,246 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:05:30,247 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:05:30,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:05:30,248 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 15:05:30,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:05:30,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 15:05:30,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:05:30,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:05:30,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:05:30,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:05:30,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:05:30,250 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 15:05:30,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:05:30,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:05:30,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:05:30,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:05:30,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:05:30,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:05:30,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:05:30,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:05:30,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:05:30,255 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:05:30,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:05:30,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:05:30,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:05:30,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:05:30,256 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2021-11-19 15:05:30,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:05:30,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:05:30,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:05:30,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:05:30,638 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:05:30,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-19 15:05:30,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/data/efdfb7133/25997d4f44f34451ae80e03312ca88cc/FLAG767b71adf [2021-11-19 15:05:31,437 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:05:31,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i [2021-11-19 15:05:31,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/data/efdfb7133/25997d4f44f34451ae80e03312ca88cc/FLAG767b71adf [2021-11-19 15:05:31,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/data/efdfb7133/25997d4f44f34451ae80e03312ca88cc [2021-11-19 15:05:31,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:05:31,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:05:31,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:05:31,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:05:31,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:05:31,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:31" (1/1) ... [2021-11-19 15:05:31,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407fa518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31, skipping insertion in model container [2021-11-19 15:05:31,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:31" (1/1) ... [2021-11-19 15:05:31,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:05:31,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:05:32,058 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-19 15:05:32,063 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-19 15:05:32,064 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-19 15:05:32,065 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-19 15:05:32,066 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-19 15:05:32,067 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-19 15:05:32,068 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-19 15:05:32,069 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-19 15:05:32,070 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-19 15:05:32,071 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-19 15:05:32,072 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-19 15:05:32,074 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-19 15:05:32,075 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-19 15:05:32,077 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-19 15:05:32,081 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:05:32,096 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:05:32,157 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2021-11-19 15:05:32,158 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2021-11-19 15:05:32,159 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2021-11-19 15:05:32,160 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2021-11-19 15:05:32,160 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2021-11-19 15:05:32,171 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2021-11-19 15:05:32,175 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2021-11-19 15:05:32,176 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2021-11-19 15:05:32,181 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2021-11-19 15:05:32,184 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2021-11-19 15:05:32,187 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2021-11-19 15:05:32,194 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2021-11-19 15:05:32,195 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2021-11-19 15:05:32,197 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_9ebaa138-4cb8-4d39-8847-96b98128ced6/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2021-11-19 15:05:32,199 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:05:32,228 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:05:32,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32 WrapperNode [2021-11-19 15:05:32,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:05:32,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:05:32,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:05:32,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:05:32,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,281 INFO L137 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 223 [2021-11-19 15:05:32,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:05:32,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:05:32,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:05:32,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:05:32,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:05:32,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:05:32,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:05:32,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:05:32,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:05:32,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:05:32,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:05:32,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:05:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 15:05:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 15:05:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:05:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:05:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:05:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:05:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:05:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 15:05:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:05:32,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:05:32,528 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:05:32,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:05:32,934 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:05:33,011 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:05:33,012 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-19 15:05:33,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:33 BoogieIcfgContainer [2021-11-19 15:05:33,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:05:33,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:05:33,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:05:33,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:05:33,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:05:31" (1/3) ... [2021-11-19 15:05:33,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3f0993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:05:33, skipping insertion in model container [2021-11-19 15:05:33,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32" (2/3) ... [2021-11-19 15:05:33,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3f0993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:05:33, skipping insertion in model container [2021-11-19 15:05:33,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:33" (3/3) ... [2021-11-19 15:05:33,034 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-queue-2.i [2021-11-19 15:05:33,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:05:33,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-19 15:05:33,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:05:33,107 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 [2021-11-19 15:05:33,107 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-19 15:05:33,134 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) [2021-11-19 15:05:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-19 15:05:33,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:33,142 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-19 15:05:33,142 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)] === [2021-11-19 15:05:33,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:33,149 INFO L85 PathProgramCache]: Analyzing trace with hash 11205579, now seen corresponding path program 1 times [2021-11-19 15:05:33,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:05:33,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418102223] [2021-11-19 15:05:33,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:33,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:05:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:05:33,394 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:05:33,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418102223] [2021-11-19 15:05:33,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418102223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:33,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:33,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 15:05:33,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558351330] [2021-11-19 15:05:33,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:33,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 15:05:33,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:05:33,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 15:05:33,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 15:05:33,462 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) [2021-11-19 15:05:33,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:33,546 INFO L93 Difference]: Finished difference Result 151 states and 249 transitions. [2021-11-19 15:05:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 15:05:33,551 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 [2021-11-19 15:05:33,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:33,564 INFO L225 Difference]: With dead ends: 151 [2021-11-19 15:05:33,565 INFO L226 Difference]: Without dead ends: 74 [2021-11-19 15:05:33,570 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 [2021-11-19 15:05:33,579 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 [2021-11-19 15:05:33,580 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] [2021-11-19 15:05:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-19 15:05:33,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-19 15:05:33,634 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) [2021-11-19 15:05:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2021-11-19 15:05:33,641 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 4 [2021-11-19 15:05:33,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:33,642 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2021-11-19 15:05:33,645 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) [2021-11-19 15:05:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-19 15:05:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 15:05:33,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:33,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 15:05:33,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 15:05:33,648 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)] === [2021-11-19 15:05:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:33,653 INFO L85 PathProgramCache]: Analyzing trace with hash 345948564, now seen corresponding path program 1 times [2021-11-19 15:05:33,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:05:33,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603088560] [2021-11-19 15:05:33,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:33,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:05:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:05:33,808 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:05:33,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603088560] [2021-11-19 15:05:33,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603088560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:33,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:33,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 15:05:33,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928962817] [2021-11-19 15:05:33,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:33,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:05:33,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:05:33,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:05:33,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:05:33,813 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) [2021-11-19 15:05:33,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:33,924 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2021-11-19 15:05:33,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:05:33,925 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 [2021-11-19 15:05:33,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:33,932 INFO L225 Difference]: With dead ends: 74 [2021-11-19 15:05:33,932 INFO L226 Difference]: Without dead ends: 64 [2021-11-19 15:05:33,933 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 [2021-11-19 15:05:33,936 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:05:33,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 51 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:05:33,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-19 15:05:33,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-19 15:05:33,945 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) [2021-11-19 15:05:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-19 15:05:33,946 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 5 [2021-11-19 15:05:33,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:33,947 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-19 15:05:33,947 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) [2021-11-19 15:05:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-19 15:05:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 15:05:33,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:33,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:33,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 15:05:33,949 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)] === [2021-11-19 15:05:33,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:33,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1744215704, now seen corresponding path program 1 times [2021-11-19 15:05:33,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:05:33,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709545138] [2021-11-19 15:05:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:33,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:05:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:05:34,163 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:05:34,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709545138] [2021-11-19 15:05:34,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709545138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:34,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:34,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 15:05:34,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133281808] [2021-11-19 15:05:34,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:34,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:05:34,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:05:34,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:05:34,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:05:34,167 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) [2021-11-19 15:05:34,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:34,333 INFO L93 Difference]: Finished difference Result 158 states and 168 transitions. [2021-11-19 15:05:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:05:34,334 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 [2021-11-19 15:05:34,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:34,336 INFO L225 Difference]: With dead ends: 158 [2021-11-19 15:05:34,336 INFO L226 Difference]: Without dead ends: 104 [2021-11-19 15:05:34,337 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 [2021-11-19 15:05:34,339 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 [2021-11-19 15:05:34,339 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] [2021-11-19 15:05:34,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-19 15:05:34,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 67. [2021-11-19 15:05:34,349 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) [2021-11-19 15:05:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2021-11-19 15:05:34,350 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 7 [2021-11-19 15:05:34,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:34,351 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2021-11-19 15:05:34,351 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) [2021-11-19 15:05:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-19 15:05:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 15:05:34,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:34,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:34,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 15:05:34,353 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)] === [2021-11-19 15:05:34,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:34,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1473412240, now seen corresponding path program 1 times [2021-11-19 15:05:34,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:05:34,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161487749] [2021-11-19 15:05:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:34,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:05:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:05:34,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:05:34,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161487749] [2021-11-19 15:05:34,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161487749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:34,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:34,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 15:05:34,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421500102] [2021-11-19 15:05:34,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:34,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:05:34,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:05:34,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:05:34,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:05:34,391 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) [2021-11-19 15:05:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:34,447 INFO L93 Difference]: Finished difference Result 122 states and 130 transitions. [2021-11-19 15:05:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:05:34,448 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 [2021-11-19 15:05:34,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:34,449 INFO L225 Difference]: With dead ends: 122 [2021-11-19 15:05:34,450 INFO L226 Difference]: Without dead ends: 78 [2021-11-19 15:05:34,450 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 [2021-11-19 15:05:34,452 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 [2021-11-19 15:05:34,453 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] [2021-11-19 15:05:34,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-19 15:05:34,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2021-11-19 15:05:34,460 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) [2021-11-19 15:05:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2021-11-19 15:05:34,461 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 12 [2021-11-19 15:05:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:34,461 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2021-11-19 15:05:34,461 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) [2021-11-19 15:05:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-11-19 15:05:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 15:05:34,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:34,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:34,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 15:05:34,464 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)] === [2021-11-19 15:05:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1577016761, now seen corresponding path program 1 times [2021-11-19 15:05:34,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:05:34,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997131394] [2021-11-19 15:05:34,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:34,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:05:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:05:34,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:05:34,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997131394] [2021-11-19 15:05:34,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997131394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:34,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:34,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 15:05:34,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126597888] [2021-11-19 15:05:34,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:34,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:05:34,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:05:34,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:05:34,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:05:34,507 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) [2021-11-19 15:05:34,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:34,601 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2021-11-19 15:05:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:05:34,602 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 [2021-11-19 15:05:34,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:34,603 INFO L225 Difference]: With dead ends: 78 [2021-11-19 15:05:34,604 INFO L226 Difference]: Without dead ends: 64 [2021-11-19 15:05:34,604 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 [2021-11-19 15:05:34,606 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 [2021-11-19 15:05:34,606 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] [2021-11-19 15:05:34,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-19 15:05:34,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-19 15:05:34,614 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) [2021-11-19 15:05:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-19 15:05:34,615 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2021-11-19 15:05:34,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:34,616 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-19 15:05:34,616 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) [2021-11-19 15:05:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-19 15:05:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 15:05:34,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:34,618 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:34,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 15:05:34,618 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)] === [2021-11-19 15:05:34,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:34,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1610313588, now seen corresponding path program 1 times [2021-11-19 15:05:34,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:05:34,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518005632] [2021-11-19 15:05:34,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:34,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:05:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:05:34,730 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:05:34,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518005632] [2021-11-19 15:05:34,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518005632] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 15:05:34,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996144117] [2021-11-19 15:05:34,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:34,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 15:05:34,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:05:34,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 15:05:34,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebaa138-4cb8-4d39-8847-96b98128ced6/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 15:05:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:34,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 15:05:34,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:35,020 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 [2021-11-19 15:05:35,314 INFO L354 Elim1Store]: treesize reduction 544, result has 9.3 percent of original size [2021-11-19 15:05:35,315 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 [2021-11-19 15:05:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:05:35,381 INFO L354 Elim1Store]: treesize reduction 129, result has 19.4 percent of original size [2021-11-19 15:05:35,382 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 [2021-11-19 15:05:35,403 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 15:05:35,407 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 [2021-11-19 15:05:35,432 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-11-19 15:05:35,434 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 [2021-11-19 15:05:36,203 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-11-19 15:05:36,203 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 [2021-11-19 15:05:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:05:36,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:05:36,935 INFO L354 Elim1Store]: treesize reduction 807, result has 23.8 percent of original size [2021-11-19 15:05:36,936 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 [2021-11-19 15:05:37,403 INFO L354 Elim1Store]: treesize reduction 421, result has 34.6 percent of original size [2021-11-19 15:05:37,404 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 [2021-11-19 15:05:38,075 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:38,076 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 [2021-11-19 15:05:38,184 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:38,185 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 [2021-11-19 15:05:38,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:38,336 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 [2021-11-19 15:05:38,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:38,415 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 [2021-11-19 15:05:38,869 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-19 15:05:38,870 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 [2021-11-19 15:05:38,975 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-19 15:05:38,975 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 [2021-11-19 15:05:39,117 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-19 15:05:39,117 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 [2021-11-19 15:05:39,316 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-19 15:05:39,317 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 [2021-11-19 15:05:40,268 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:40,268 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 [2021-11-19 15:05:40,454 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:40,455 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 [2021-11-19 15:05:40,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:40,797 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 [2021-11-19 15:05:41,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:41,145 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-19 15:05:41,146 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 [2021-11-19 15:05:41,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:41,249 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-19 15:05:41,249 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 [2021-11-19 15:05:41,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:41,393 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-19 15:05:41,394 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 [2021-11-19 15:05:41,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:41,468 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 [2021-11-19 15:05:42,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,397 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 [2021-11-19 15:05:42,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,433 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 [2021-11-19 15:05:42,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,518 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 [2021-11-19 15:05:42,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,650 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-19 15:05:42,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-19 15:05:42,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,705 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 [2021-11-19 15:05:42,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:42,853 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 [2021-11-19 15:05:43,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:43,526 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 15:05:43,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 19 [2021-11-19 15:05:43,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:43,611 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-19 15:05:43,612 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 [2021-11-19 15:05:43,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:43,757 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-11-19 15:05:43,757 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 [2021-11-19 15:05:43,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:43,934 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 15:05:43,934 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 [2021-11-19 15:05:43,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,008 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 15:05:44,008 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 [2021-11-19 15:05:44,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,172 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 15:05:44,173 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 [2021-11-19 15:05:44,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,381 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-19 15:05:44,382 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 [2021-11-19 15:05:44,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,584 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-19 15:05:44,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 23 [2021-11-19 15:05:44,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:44,644 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-19 15:05:44,644 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 [2021-11-19 15:05:45,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:45,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:45,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:45,415 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 [2021-11-19 15:05:45,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:45,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:45,513 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:45,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2021-11-19 15:05:45,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:45,678 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 [2021-11-19 15:05:45,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:45,780 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 [2021-11-19 15:05:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:46,358 INFO L354 Elim1Store]: treesize reduction 11, result has 71.1 percent of original size [2021-11-19 15:05:46,358 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 [2021-11-19 15:05:46,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:46,569 INFO L354 Elim1Store]: treesize reduction 11, result has 79.6 percent of original size [2021-11-19 15:05:46,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-11-19 15:05:47,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:47,087 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:47,087 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 [2021-11-19 15:05:47,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:47,215 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 [2021-11-19 15:05:47,269 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:47,309 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:47,338 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:47,440 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:47,493 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:47,531 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:47,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:47,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:47,761 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-19 15:05:47,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-11-19 15:05:47,873 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:47,924 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:48,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:48,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:48,048 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-19 15:05:48,049 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 [2021-11-19 15:05:48,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:48,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:48,124 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-19 15:05:48,145 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 [2021-11-19 15:05:48,233 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:48,281 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:48,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:48,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:48,427 INFO L354 Elim1Store]: treesize reduction 33, result has 28.3 percent of original size [2021-11-19 15:05:48,427 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 [2021-11-19 15:05:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:05:48,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:48,587 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 [2021-11-19 15:05:48,919 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:48,977 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:49,030 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:49,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:49,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-19 15:05:49,281 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:49,340 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:49,404 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:50,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:50,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:50,105 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 [2021-11-19 15:05:51,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:51,047 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 [2021-11-19 15:05:51,139 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 [2021-11-19 15:05:51,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:51,161 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 [2021-11-19 15:05:51,217 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 [2021-11-19 15:05:51,388 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:51,429 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:51,484 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 [2021-11-19 15:05:51,816 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-19 15:05:51,817 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 [2021-11-19 15:05:51,905 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:51,939 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:52,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:52,184 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-19 15:05:52,185 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 [2021-11-19 15:05:52,424 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-19 15:05:52,425 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 [2021-11-19 15:05:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:52,511 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-19 15:05:52,511 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 [2021-11-19 15:05:53,505 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:53,532 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:53,665 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:53,692 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-19 15:05:54,632 INFO L354 Elim1Store]: treesize reduction 22, result has 62.1 percent of original size [2021-11-19 15:05:54,632 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 [2021-11-19 15:05:55,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:55,817 INFO L354 Elim1Store]: treesize reduction 41, result has 51.8 percent of original size [2021-11-19 15:05:55,817 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 [2021-11-19 15:05:56,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:56,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:56,241 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:56,242 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 [2021-11-19 15:05:56,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:56,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:56,632 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:05:56,633 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 [2021-11-19 15:05:57,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:05:57,243 INFO L354 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2021-11-19 15:05:57,244 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 [2021-11-19 15:05:57,916 INFO L354 Elim1Store]: treesize reduction 94, result has 40.5 percent of original size [2021-11-19 15:05:57,916 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 [2021-11-19 15:06:05,953 INFO L354 Elim1Store]: treesize reduction 196, result has 77.6 percent of original size [2021-11-19 15:06:05,955 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