./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:19:38,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:19:38,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:19:38,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:19:38,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:19:38,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:19:38,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:19:38,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:19:38,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:19:38,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:19:38,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:19:38,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:19:38,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:19:38,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:19:38,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:19:38,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:19:38,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:19:38,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:19:38,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:19:38,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:19:38,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:19:38,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:19:38,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:19:38,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:19:38,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:19:38,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:19:38,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:19:38,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:19:38,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:19:38,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:19:38,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:19:38,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:19:38,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:19:38,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:19:38,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:19:38,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:19:38,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:19:38,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:19:38,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:19:38,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:19:38,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:19:38,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:19:38,872 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:19:38,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:19:38,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:19:38,875 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:19:38,875 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:19:38,876 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:19:38,876 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:19:38,876 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:19:38,877 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:19:38,877 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:19:38,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:19:38,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:19:38,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:19:38,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:19:38,880 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:19:38,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:19:38,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:19:38,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:19:38,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:19:38,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:19:38,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:19:38,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:19:38,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:19:38,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:19:38,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:19:38,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:19:38,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:19:38,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:19:38,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:19:38,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:19:38,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:19:38,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:19:38,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:19:38,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:19:38,889 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:19:38,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:19:38,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:19:38,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:19:38,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:19:38,891 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_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 [2021-11-03 04:19:39,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:19:39,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:19:39,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:19:39,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:19:39,282 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:19:39,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/forester-heap/dll-queue-1.i [2021-11-03 04:19:39,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/data/b4fbb2a0b/3e5ef95e610b4452bbaf78126fbef078/FLAG97344ce41 [2021-11-03 04:19:40,134 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:19:40,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i [2021-11-03 04:19:40,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/data/b4fbb2a0b/3e5ef95e610b4452bbaf78126fbef078/FLAG97344ce41 [2021-11-03 04:19:40,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/data/b4fbb2a0b/3e5ef95e610b4452bbaf78126fbef078 [2021-11-03 04:19:40,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:19:40,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:19:40,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:19:40,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:19:40,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:19:40,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:19:40" (1/1) ... [2021-11-03 04:19:40,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca857f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:40, skipping insertion in model container [2021-11-03 04:19:40,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:19:40" (1/1) ... [2021-11-03 04:19:40,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:19:40,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:19:40,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22460,22473] [2021-11-03 04:19:40,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22531,22544] [2021-11-03 04:19:40,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22605,22618] [2021-11-03 04:19:40,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22697,22710] [2021-11-03 04:19:40,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22774,22787] [2021-11-03 04:19:40,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22869,22882] [2021-11-03 04:19:40,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22946,22959] [2021-11-03 04:19:40,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23029,23042] [2021-11-03 04:19:40,858 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23124,23137] [2021-11-03 04:19:40,860 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23201,23214] [2021-11-03 04:19:40,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23284,23297] [2021-11-03 04:19:40,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23373,23386] [2021-11-03 04:19:40,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23459,23472] [2021-11-03 04:19:40,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23604,23617] [2021-11-03 04:19:40,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:19:40,899 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:19:40,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22460,22473] [2021-11-03 04:19:40,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22531,22544] [2021-11-03 04:19:40,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22605,22618] [2021-11-03 04:19:40,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22697,22710] [2021-11-03 04:19:40,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22774,22787] [2021-11-03 04:19:40,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22869,22882] [2021-11-03 04:19:40,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[22946,22959] [2021-11-03 04:19:40,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23029,23042] [2021-11-03 04:19:40,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23124,23137] [2021-11-03 04:19:40,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23201,23214] [2021-11-03 04:19:40,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23284,23297] [2021-11-03 04:19:40,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23373,23386] [2021-11-03 04:19:40,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23459,23472] [2021-11-03 04:19:40,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/sv-benchmarks/c/forester-heap/dll-queue-1.i[23604,23617] [2021-11-03 04:19:40,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:19:41,043 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:19:41,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41 WrapperNode [2021-11-03 04:19:41,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:19:41,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:19:41,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:19:41,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:19:41,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:19:41,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:19:41,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:19:41,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:19:41,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:19:41,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:19:41,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:19:41,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:19:41,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (1/1) ... [2021-11-03 04:19:41,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:19:41,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:19:41,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:19:41,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:19:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:19:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:19:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:19:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:19:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:19:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:19:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:19:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:19:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:19:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:19:42,249 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:19:42,249 INFO L299 CfgBuilder]: Removed 35 assume(true) statements. [2021-11-03 04:19:42,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:19:42 BoogieIcfgContainer [2021-11-03 04:19:42,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:19:42,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:19:42,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:19:42,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:19:42,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:19:40" (1/3) ... [2021-11-03 04:19:42,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70026e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:19:42, skipping insertion in model container [2021-11-03 04:19:42,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:19:41" (2/3) ... [2021-11-03 04:19:42,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70026e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:19:42, skipping insertion in model container [2021-11-03 04:19:42,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:19:42" (3/3) ... [2021-11-03 04:19:42,263 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-queue-1.i [2021-11-03 04:19:42,270 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:19:42,271 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-03 04:19:42,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:19:42,372 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:19:42,373 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-03 04:19:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 61 states have (on average 2.0491803278688523) internal successors, (125), 75 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-03 04:19:42,399 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:42,399 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-03 04:19:42,400 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:42,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:42,407 INFO L85 PathProgramCache]: Analyzing trace with hash 11205579, now seen corresponding path program 1 times [2021-11-03 04:19:42,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:42,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619718117] [2021-11-03 04:19:42,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:42,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:42,603 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:42,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619718117] [2021-11-03 04:19:42,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619718117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:42,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:42,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:19:42,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601249949] [2021-11-03 04:19:42,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:19:42,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:42,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:19:42,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:19:42,632 INFO L87 Difference]: Start difference. First operand has 76 states, 61 states have (on average 2.0491803278688523) internal successors, (125), 75 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:42,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:42,659 INFO L93 Difference]: Finished difference Result 151 states and 249 transitions. [2021-11-03 04:19:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:19:42,661 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-03 04:19:42,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:42,671 INFO L225 Difference]: With dead ends: 151 [2021-11-03 04:19:42,672 INFO L226 Difference]: Without dead ends: 74 [2021-11-03 04:19:42,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:19:42,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-03 04:19:42,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-03 04:19:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 60 states have (on average 1.3) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2021-11-03 04:19:42,719 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 4 [2021-11-03 04:19:42,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:42,720 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2021-11-03 04:19:42,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-03 04:19:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-03 04:19:42,721 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:42,721 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-03 04:19:42,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:19:42,722 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:42,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:42,723 INFO L85 PathProgramCache]: Analyzing trace with hash 345948564, now seen corresponding path program 1 times [2021-11-03 04:19:42,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:42,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572868326] [2021-11-03 04:19:42,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:42,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:42,833 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:42,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572868326] [2021-11-03 04:19:42,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572868326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:42,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:42,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:19:42,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502629002] [2021-11-03 04:19:42,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:19:42,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:42,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:19:42,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:42,845 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:42,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:42,914 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2021-11-03 04:19:42,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:19:42,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-03 04:19:42,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:42,922 INFO L225 Difference]: With dead ends: 74 [2021-11-03 04:19:42,922 INFO L226 Difference]: Without dead ends: 64 [2021-11-03 04:19:42,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:42,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-03 04:19:42,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-03 04:19:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 63 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-03 04:19:42,932 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 5 [2021-11-03 04:19:42,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:42,933 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-03 04:19:42,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-03 04:19:42,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 04:19:42,937 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:42,937 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:42,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:19:42,938 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:42,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:42,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1744215704, now seen corresponding path program 1 times [2021-11-03 04:19:42,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:42,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56866547] [2021-11-03 04:19:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:42,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:43,226 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:43,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56866547] [2021-11-03 04:19:43,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56866547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:43,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:43,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:19:43,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826651379] [2021-11-03 04:19:43,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:19:43,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:19:43,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:19:43,233 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:43,436 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2021-11-03 04:19:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:19:43,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 04:19:43,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:43,443 INFO L225 Difference]: With dead ends: 113 [2021-11-03 04:19:43,444 INFO L226 Difference]: Without dead ends: 111 [2021-11-03 04:19:43,445 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:19:43,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-03 04:19:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 62. [2021-11-03 04:19:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 61 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2021-11-03 04:19:43,472 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 7 [2021-11-03 04:19:43,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:43,472 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2021-11-03 04:19:43,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2021-11-03 04:19:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:19:43,474 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:43,475 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:43,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 04:19:43,475 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:43,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:43,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1166156785, now seen corresponding path program 1 times [2021-11-03 04:19:43,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:43,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193628387] [2021-11-03 04:19:43,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:43,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:43,578 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:43,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193628387] [2021-11-03 04:19:43,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193628387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:43,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:43,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:19:43,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591139549] [2021-11-03 04:19:43,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:19:43,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:43,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:19:43,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:43,584 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:43,719 INFO L93 Difference]: Finished difference Result 164 states and 174 transitions. [2021-11-03 04:19:43,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:19:43,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 04:19:43,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:43,721 INFO L225 Difference]: With dead ends: 164 [2021-11-03 04:19:43,722 INFO L226 Difference]: Without dead ends: 112 [2021-11-03 04:19:43,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:43,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-03 04:19:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2021-11-03 04:19:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 66 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2021-11-03 04:19:43,733 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 11 [2021-11-03 04:19:43,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:43,734 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2021-11-03 04:19:43,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-03 04:19:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 04:19:43,736 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:43,736 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:43,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 04:19:43,737 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:43,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:43,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1473412240, now seen corresponding path program 1 times [2021-11-03 04:19:43,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:43,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683163490] [2021-11-03 04:19:43,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:43,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:43,790 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:43,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683163490] [2021-11-03 04:19:43,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683163490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:43,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:43,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:19:43,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259103101] [2021-11-03 04:19:43,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:19:43,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:43,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:19:43,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:43,794 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:43,899 INFO L93 Difference]: Finished difference Result 144 states and 152 transitions. [2021-11-03 04:19:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:19:43,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 04:19:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:43,901 INFO L225 Difference]: With dead ends: 144 [2021-11-03 04:19:43,901 INFO L226 Difference]: Without dead ends: 100 [2021-11-03 04:19:43,902 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:43,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-03 04:19:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 68. [2021-11-03 04:19:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 67 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2021-11-03 04:19:43,912 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 12 [2021-11-03 04:19:43,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:43,913 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2021-11-03 04:19:43,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2021-11-03 04:19:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:19:43,931 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:43,932 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:43,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 04:19:43,942 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:43,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1214269867, now seen corresponding path program 1 times [2021-11-03 04:19:43,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:43,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808999837] [2021-11-03 04:19:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:43,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:44,035 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:44,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808999837] [2021-11-03 04:19:44,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808999837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:44,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:44,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:19:44,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859273485] [2021-11-03 04:19:44,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:19:44,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:44,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:19:44,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:44,039 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:44,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:44,123 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2021-11-03 04:19:44,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:19:44,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 04:19:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:44,124 INFO L225 Difference]: With dead ends: 109 [2021-11-03 04:19:44,124 INFO L226 Difference]: Without dead ends: 78 [2021-11-03 04:19:44,125 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:19:44,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-03 04:19:44,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2021-11-03 04:19:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 68 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2021-11-03 04:19:44,133 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 13 [2021-11-03 04:19:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:44,134 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2021-11-03 04:19:44,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-11-03 04:19:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 04:19:44,135 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:44,136 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:44,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 04:19:44,136 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:44,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:44,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1577016761, now seen corresponding path program 1 times [2021-11-03 04:19:44,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:44,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519599442] [2021-11-03 04:19:44,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:44,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:44,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:44,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519599442] [2021-11-03 04:19:44,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519599442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:44,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:44,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:19:44,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855548109] [2021-11-03 04:19:44,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:19:44,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:19:44,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:19:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:19:44,190 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:44,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:44,299 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2021-11-03 04:19:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:19:44,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-03 04:19:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:44,301 INFO L225 Difference]: With dead ends: 78 [2021-11-03 04:19:44,301 INFO L226 Difference]: Without dead ends: 64 [2021-11-03 04:19:44,305 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:19:44,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-03 04:19:44,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-03 04:19:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 63 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-11-03 04:19:44,316 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2021-11-03 04:19:44,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:44,316 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-11-03 04:19:44,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-03 04:19:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 04:19:44,320 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:44,320 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:44,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 04:19:44,321 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:19:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:44,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1610313588, now seen corresponding path program 1 times [2021-11-03 04:19:44,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:19:44,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078538051] [2021-11-03 04:19:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:44,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:19:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:44,567 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:19:44,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078538051] [2021-11-03 04:19:44,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078538051] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:19:44,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956282463] [2021-11-03 04:19:44,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:44,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:19:44,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:19:44,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:19:44,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a86d8b-c76e-48bf-8d92-ffdb1d74bec0/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:19:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:44,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 04:19:44,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:44,862 INFO L354 Elim1Store]: treesize reduction 83, result has 23.9 percent of original size [2021-11-03 04:19:44,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 31 [2021-11-03 04:19:45,616 INFO L354 Elim1Store]: treesize reduction 544, result has 9.3 percent of original size [2021-11-03 04:19:45,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 249 [2021-11-03 04:19:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:45,684 INFO L354 Elim1Store]: treesize reduction 129, result has 19.4 percent of original size [2021-11-03 04:19:45,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 97 [2021-11-03 04:19:45,700 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:19:45,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 94 [2021-11-03 04:19:45,767 INFO L354 Elim1Store]: treesize reduction 48, result has 50.5 percent of original size [2021-11-03 04:19:45,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 122 [2021-11-03 04:19:46,569 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-11-03 04:19:46,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 38 [2021-11-03 04:19:46,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:46,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:48,561 INFO L354 Elim1Store]: treesize reduction 421, result has 34.6 percent of original size [2021-11-03 04:19:48,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 1209 treesize of output 1033 [2021-11-03 04:19:49,147 INFO L354 Elim1Store]: treesize reduction 411, result has 36.2 percent of original size [2021-11-03 04:19:49,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 1033 treesize of output 867 [2021-11-03 04:19:50,112 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-03 04:19:50,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:50,240 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-11-03 04:19:50,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2021-11-03 04:19:50,517 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-11-03 04:19:50,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2021-11-03 04:19:50,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-03 04:19:50,871 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:19:50,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-03 04:19:51,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:51,469 INFO L354 Elim1Store]: treesize reduction 16, result has 30.4 percent of original size [2021-11-03 04:19:51,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-03 04:19:51,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:51,611 INFO L354 Elim1Store]: treesize reduction 16, result has 30.4 percent of original size [2021-11-03 04:19:51,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-03 04:19:51,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:51,848 INFO L354 Elim1Store]: treesize reduction 16, result has 30.4 percent of original size [2021-11-03 04:19:51,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-03 04:19:52,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:52,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:52,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:52,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:52,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:52,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:54,196 INFO L354 Elim1Store]: treesize reduction 11, result has 64.5 percent of original size [2021-11-03 04:19:54,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 47 [2021-11-03 04:19:55,003 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:55,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2021-11-03 04:19:55,166 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:55,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-03 04:19:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:55,408 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:55,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-03 04:19:55,836 INFO L354 Elim1Store]: treesize reduction 3, result has 72.7 percent of original size [2021-11-03 04:19:55,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-03 04:19:55,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:55,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-03 04:19:56,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:56,708 INFO L354 Elim1Store]: treesize reduction 12, result has 47.8 percent of original size [2021-11-03 04:19:56,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 34 [2021-11-03 04:19:56,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:56,895 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:56,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 34 [2021-11-03 04:19:56,953 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:19:56,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:56,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:57,005 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:19:57,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 23 [2021-11-03 04:19:57,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:57,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:19:57,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 34 [2021-11-03 04:19:57,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:57,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:57,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-11-03 04:19:57,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:57,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:57,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:19:57,593 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:19:57,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 23 [2021-11-03 04:19:59,142 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:19:59,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:59,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:59,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:59,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:59,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:19:59,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:19:59,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 4 [2021-11-03 04:19:59,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 4 [2021-11-03 04:19:59,919 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:19:59,934 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:19:59,961 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:00,025 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:00,039 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:00,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:00,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:20:00,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:00,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:20:00,506 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:00,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:00,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:20:00,841 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-03 04:20:00,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:00,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:00,884 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-03 04:20:00,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:01,021 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:01,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:01,137 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:01,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:01,269 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:01,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:01,507 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-03 04:20:01,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:01,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:01,652 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-03 04:20:01,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:02,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:02,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2021-11-03 04:20:03,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:03,148 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-03 04:20:03,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 13 [2021-11-03 04:20:03,361 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-03 04:20:03,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:03,487 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:03,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:03,628 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:03,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:03,975 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:03,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 36 [2021-11-03 04:20:04,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-03 04:20:04,250 INFO L354 Elim1Store]: treesize reduction 23, result has 25.8 percent of original size [2021-11-03 04:20:04,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 26 [2021-11-03 04:20:04,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:04,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:05,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:05,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:05,126 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:05,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2021-11-03 04:20:05,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:05,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:05,200 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:05,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:05,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:05,307 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:05,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2021-11-03 04:20:05,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:05,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:05,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:05,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:06,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:06,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:06,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:06,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:06,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:06,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:06,433 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:06,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:06,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:06,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:06,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:06,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:07,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:07,454 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:20:07,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:07,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:07,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:07,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:07,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:07,730 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:20:07,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:07,870 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:08,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:08,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:08,481 INFO L354 Elim1Store]: treesize reduction 36, result has 21.7 percent of original size [2021-11-03 04:20:08,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 33 [2021-11-03 04:20:08,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:08,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:08,691 INFO L354 Elim1Store]: treesize reduction 36, result has 21.7 percent of original size [2021-11-03 04:20:08,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 33 [2021-11-03 04:20:08,746 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:08,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:08,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:08,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:08,784 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:08,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 23 [2021-11-03 04:20:09,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:09,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:09,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:09,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:09,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:09,364 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:09,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:09,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:09,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:09,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:09,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:09,549 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:11,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:11,095 INFO L354 Elim1Store]: treesize reduction 22, result has 59.3 percent of original size [2021-11-03 04:20:11,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 86 [2021-11-03 04:20:11,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:11,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:11,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:11,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:11,663 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:11,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 65 [2021-11-03 04:20:11,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:11,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:11,809 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:11,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 65 [2021-11-03 04:20:11,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:11,994 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-11-03 04:20:11,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 53 [2021-11-03 04:20:12,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:12,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:13,121 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:13,137 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:13,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:13,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:13,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:13,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:13,586 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-11-03 04:20:13,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 53 [2021-11-03 04:20:13,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:13,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:14,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:14,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:14,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:20:14,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 54 [2021-11-03 04:20:14,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:14,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 44 [2021-11-03 04:20:14,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:14,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:14,452 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:14,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 44 [2021-11-03 04:20:14,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:14,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:14,802 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-03 04:20:14,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 30 [2021-11-03 04:20:15,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:15,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:15,111 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:15,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:16,129 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-11-03 04:20:16,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:16,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:16,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:16,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:16,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-11-03 04:20:19,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:19,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:20,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,047 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 25 treesize of output 15 [2021-11-03 04:20:20,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,084 INFO L354 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2021-11-03 04:20:20,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:20,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:20,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:20,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-03 04:20:20,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:20,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:20,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:20,575 INFO L354 Elim1Store]: treesize reduction 103, result has 33.1 percent of original size [2021-11-03 04:20:20,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 272 treesize of output 268 [2021-11-03 04:20:21,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,246 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:21,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 04:20:21,294 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:21,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:21,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,345 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-03 04:20:21,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 88 [2021-11-03 04:20:21,399 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 04:20:21,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:21,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,459 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-03 04:20:21,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 88 [2021-11-03 04:20:21,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,630 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-03 04:20:21,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 101 [2021-11-03 04:20:21,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:20:21,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:21,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-11-03 04:20:22,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:22,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:22,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:20:22,101 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-03 04:20:22,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 23 [2021-11-03 04:20:22,801 INFO L354 Elim1Store]: treesize reduction 30, result has 55.2 percent of original size [2021-11-03 04:20:22,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 894 treesize of output 834 [2021-11-03 04:20:30,386 INFO L354 Elim1Store]: treesize reduction 374, result has 62.8 percent of original size [2021-11-03 04:20:30,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 1 disjoint index pairs (out of 105 index pairs), introduced 16 new quantified variables, introduced 105 case distinctions, treesize of input 1497 treesize of output 1573