./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:50:01,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:50:01,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:50:01,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:50:01,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:50:01,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:50:01,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:50:01,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:50:01,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:50:01,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:50:01,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:50:01,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:50:01,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:50:01,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:50:01,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:50:01,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:50:01,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:50:01,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:50:01,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:50:01,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:50:01,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:50:01,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:50:01,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:50:01,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:50:01,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:50:01,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:50:01,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:50:01,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:50:01,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:50:01,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:50:01,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:50:01,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:50:01,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:50:01,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:50:01,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:50:01,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:50:01,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:50:01,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:50:01,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:50:01,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:50:01,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:50:01,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 22:50:01,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:50:01,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:50:01,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:50:01,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:50:01,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:50:01,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:50:01,426 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:50:01,426 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:50:01,427 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:50:01,427 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:50:01,427 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:50:01,427 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:50:01,427 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:50:01,428 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:50:01,428 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:50:01,428 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:50:01,428 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:50:01,428 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:50:01,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:50:01,429 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:50:01,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:50:01,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:50:01,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:50:01,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:50:01,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:50:01,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:50:01,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:50:01,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:50:01,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:50:01,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:50:01,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:50:01,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:50:01,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:50:01,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:50:01,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:50:01,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:50:01,441 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:50:01,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:50:01,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:50:01,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:50:01,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:50:01,442 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_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2021-11-20 22:50:01,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:50:01,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:50:01,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:50:01,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:50:01,717 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:50:01,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2021-11-20 22:50:01,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/data/26c396c15/32219e129535459887e25d3f4b9c9bca/FLAG24f406684 [2021-11-20 22:50:02,439 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:50:02,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2021-11-20 22:50:02,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/data/26c396c15/32219e129535459887e25d3f4b9c9bca/FLAG24f406684 [2021-11-20 22:50:02,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/data/26c396c15/32219e129535459887e25d3f4b9c9bca [2021-11-20 22:50:02,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:50:02,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:50:02,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:50:02,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:50:02,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:50:02,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:02" (1/1) ... [2021-11-20 22:50:02,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ef4b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:02, skipping insertion in model container [2021-11-20 22:50:02,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:02" (1/1) ... [2021-11-20 22:50:02,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:50:02,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:50:03,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2021-11-20 22:50:03,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2021-11-20 22:50:03,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2021-11-20 22:50:03,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2021-11-20 22:50:03,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:50:03,810 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:50:03,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2021-11-20 22:50:03,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2021-11-20 22:50:03,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2021-11-20 22:50:03,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2021-11-20 22:50:03,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:50:04,014 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:50:04,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04 WrapperNode [2021-11-20 22:50:04,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:50:04,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:50:04,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:50:04,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:50:04,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,160 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1199 [2021-11-20 22:50:04,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:50:04,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:50:04,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:50:04,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:50:04,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:50:04,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:50:04,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:50:04,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:50:04,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (1/1) ... [2021-11-20 22:50:04,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:50:04,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:04,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:50:04,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:50:04,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 22:50:04,410 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 22:50:04,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 22:50:04,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 22:50:04,411 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-20 22:50:04,411 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-20 22:50:04,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 22:50:04,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 22:50:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 22:50:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 22:50:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 22:50:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:50:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-20 22:50:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-20 22:50:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 22:50:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-20 22:50:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-20 22:50:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:50:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:50:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:50:04,623 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:50:04,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:50:05,793 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:50:06,184 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:50:06,184 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-20 22:50:06,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:06 BoogieIcfgContainer [2021-11-20 22:50:06,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:50:06,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:50:06,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:50:06,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:50:06,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:50:02" (1/3) ... [2021-11-20 22:50:06,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0eb88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:50:06, skipping insertion in model container [2021-11-20 22:50:06,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:04" (2/3) ... [2021-11-20 22:50:06,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0eb88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:50:06, skipping insertion in model container [2021-11-20 22:50:06,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:06" (3/3) ... [2021-11-20 22:50:06,196 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-2.i [2021-11-20 22:50:06,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:50:06,202 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-20 22:50:06,250 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:50:06,257 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 [2021-11-20 22:50:06,257 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-20 22:50:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 136 states have (on average 1.713235294117647) internal successors, (233), 140 states have internal predecessors, (233), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:50:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-20 22:50:06,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:06,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:06,284 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:06,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:06,290 INFO L85 PathProgramCache]: Analyzing trace with hash -435450484, now seen corresponding path program 1 times [2021-11-20 22:50:06,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:06,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891492907] [2021-11-20 22:50:06,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:06,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:50:06,451 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:06,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891492907] [2021-11-20 22:50:06,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891492907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:06,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:06,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:50:06,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136726924] [2021-11-20 22:50:06,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:06,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 22:50:06,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:06,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 22:50:06,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 22:50:06,488 INFO L87 Difference]: Start difference. First operand has 160 states, 136 states have (on average 1.713235294117647) internal successors, (233), 140 states have internal predecessors, (233), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2021-11-20 22:50:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:07,129 INFO L93 Difference]: Finished difference Result 317 states and 538 transitions. [2021-11-20 22:50:07,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 22:50:07,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2021-11-20 22:50:07,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:07,145 INFO L225 Difference]: With dead ends: 317 [2021-11-20 22:50:07,145 INFO L226 Difference]: Without dead ends: 157 [2021-11-20 22:50:07,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 22:50:07,153 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:07,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 22:50:07,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-20 22:50:07,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-20 22:50:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.1791044776119404) internal successors, (158), 138 states have internal predecessors, (158), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-20 22:50:07,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 188 transitions. [2021-11-20 22:50:07,204 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 188 transitions. Word has length 7 [2021-11-20 22:50:07,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:07,205 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 188 transitions. [2021-11-20 22:50:07,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2021-11-20 22:50:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 188 transitions. [2021-11-20 22:50:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 22:50:07,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:07,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:07,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 22:50:07,207 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:07,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1156235943, now seen corresponding path program 1 times [2021-11-20 22:50:07,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:07,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521444303] [2021-11-20 22:50:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:07,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:50:07,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:07,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521444303] [2021-11-20 22:50:07,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521444303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:07,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:07,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:50:07,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575156451] [2021-11-20 22:50:07,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:07,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:50:07,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:07,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:50:07,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:50:07,320 INFO L87 Difference]: Start difference. First operand 157 states and 188 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-20 22:50:09,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:09,276 INFO L93 Difference]: Finished difference Result 324 states and 391 transitions. [2021-11-20 22:50:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:50:09,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-20 22:50:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:09,280 INFO L225 Difference]: With dead ends: 324 [2021-11-20 22:50:09,280 INFO L226 Difference]: Without dead ends: 232 [2021-11-20 22:50:09,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:50:09,283 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 74 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:09,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 444 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 22:50:09,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-20 22:50:09,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 159. [2021-11-20 22:50:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 136 states have (on average 1.1764705882352942) internal successors, (160), 140 states have internal predecessors, (160), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-20 22:50:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 190 transitions. [2021-11-20 22:50:09,315 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 190 transitions. Word has length 9 [2021-11-20 22:50:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:09,315 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 190 transitions. [2021-11-20 22:50:09,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-20 22:50:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2021-11-20 22:50:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 22:50:09,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:09,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:09,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 22:50:09,321 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:09,322 INFO L85 PathProgramCache]: Analyzing trace with hash 618014543, now seen corresponding path program 1 times [2021-11-20 22:50:09,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:09,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684434770] [2021-11-20 22:50:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:09,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:09,364 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:50:09,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086413533] [2021-11-20 22:50:09,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:09,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:09,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:09,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:09,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 22:50:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:09,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 22:50:09,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:50:09,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:50:09,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:09,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684434770] [2021-11-20 22:50:09,886 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:50:09,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086413533] [2021-11-20 22:50:09,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086413533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:09,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:09,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 22:50:09,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132854457] [2021-11-20 22:50:09,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:09,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:50:09,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:09,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:50:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:50:09,889 INFO L87 Difference]: Start difference. First operand 159 states and 190 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:50:11,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:11,685 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2021-11-20 22:50:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:50:11,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-20 22:50:11,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:11,692 INFO L225 Difference]: With dead ends: 170 [2021-11-20 22:50:11,692 INFO L226 Difference]: Without dead ends: 168 [2021-11-20 22:50:11,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-20 22:50:11,693 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 11 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:11,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 778 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-20 22:50:11,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-20 22:50:11,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-11-20 22:50:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 142 states have (on average 1.176056338028169) internal successors, (167), 147 states have internal predecessors, (167), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:50:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2021-11-20 22:50:11,716 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 20 [2021-11-20 22:50:11,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:11,717 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2021-11-20 22:50:11,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:50:11,717 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2021-11-20 22:50:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 22:50:11,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:11,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:11,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:11,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 22:50:11,932 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:11,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:11,932 INFO L85 PathProgramCache]: Analyzing trace with hash -746982808, now seen corresponding path program 1 times [2021-11-20 22:50:11,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:11,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416999068] [2021-11-20 22:50:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:11,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:11,952 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:50:11,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461787844] [2021-11-20 22:50:11,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:11,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:11,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:11,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:11,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 22:50:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:12,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:50:12,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:50:12,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:50:12,330 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:12,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416999068] [2021-11-20 22:50:12,331 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:50:12,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461787844] [2021-11-20 22:50:12,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461787844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:12,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:12,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:50:12,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285876943] [2021-11-20 22:50:12,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:12,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:50:12,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:12,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:50:12,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:50:12,334 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:50:13,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:13,119 INFO L93 Difference]: Finished difference Result 408 states and 486 transitions. [2021-11-20 22:50:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:50:13,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-20 22:50:13,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:13,122 INFO L225 Difference]: With dead ends: 408 [2021-11-20 22:50:13,122 INFO L226 Difference]: Without dead ends: 243 [2021-11-20 22:50:13,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:50:13,124 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 68 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:13,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 310 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 22:50:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-11-20 22:50:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 211. [2021-11-20 22:50:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 185 states have (on average 1.1675675675675676) internal successors, (216), 190 states have internal predecessors, (216), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:50:13,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2021-11-20 22:50:13,141 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 28 [2021-11-20 22:50:13,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:13,142 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2021-11-20 22:50:13,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:50:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2021-11-20 22:50:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 22:50:13,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:13,144 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:13,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:13,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:13,371 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:13,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:13,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1769840484, now seen corresponding path program 1 times [2021-11-20 22:50:13,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:13,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428282729] [2021-11-20 22:50:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:13,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:13,388 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:50:13,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49783320] [2021-11-20 22:50:13,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:13,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:13,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:13,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:13,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 22:50:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:13,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 22:50:13,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:50:13,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:50:13,885 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:13,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428282729] [2021-11-20 22:50:13,885 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:50:13,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49783320] [2021-11-20 22:50:13,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49783320] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 22:50:13,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 22:50:13,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2021-11-20 22:50:13,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585965985] [2021-11-20 22:50:13,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:13,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 22:50:13,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:13,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 22:50:13,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-20 22:50:13,887 INFO L87 Difference]: Start difference. First operand 211 states and 248 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:50:15,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:15,038 INFO L93 Difference]: Finished difference Result 801 states and 954 transitions. [2021-11-20 22:50:15,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:50:15,038 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-20 22:50:15,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:15,044 INFO L225 Difference]: With dead ends: 801 [2021-11-20 22:50:15,044 INFO L226 Difference]: Without dead ends: 606 [2021-11-20 22:50:15,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-20 22:50:15,046 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 961 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:15,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [961 Valid, 493 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 22:50:15,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-11-20 22:50:15,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 356. [2021-11-20 22:50:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 320 states have (on average 1.175) internal successors, (376), 326 states have internal predecessors, (376), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (23), 19 states have call predecessors, (23), 22 states have call successors, (23) [2021-11-20 22:50:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 421 transitions. [2021-11-20 22:50:15,076 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 421 transitions. Word has length 32 [2021-11-20 22:50:15,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:15,076 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 421 transitions. [2021-11-20 22:50:15,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:50:15,077 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 421 transitions. [2021-11-20 22:50:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 22:50:15,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:15,079 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:15,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:15,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:15,303 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:15,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:15,303 INFO L85 PathProgramCache]: Analyzing trace with hash -498476679, now seen corresponding path program 1 times [2021-11-20 22:50:15,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:15,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136428045] [2021-11-20 22:50:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:15,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:15,322 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:50:15,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [629407389] [2021-11-20 22:50:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:15,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:15,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:15,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:15,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 22:50:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:15,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:50:15,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:15,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 22:50:15,698 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 15 treesize of output 7 [2021-11-20 22:50:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:50:15,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:50:15,709 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:15,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136428045] [2021-11-20 22:50:15,710 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:50:15,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629407389] [2021-11-20 22:50:15,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629407389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:15,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:15,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 22:50:15,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686470359] [2021-11-20 22:50:15,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:15,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:50:15,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:50:15,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:50:15,712 INFO L87 Difference]: Start difference. First operand 356 states and 421 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 22:50:17,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:50:18,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:18,133 INFO L93 Difference]: Finished difference Result 513 states and 616 transitions. [2021-11-20 22:50:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:50:18,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2021-11-20 22:50:18,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:18,142 INFO L225 Difference]: With dead ends: 513 [2021-11-20 22:50:18,142 INFO L226 Difference]: Without dead ends: 446 [2021-11-20 22:50:18,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:50:18,143 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:18,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 434 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 22:50:18,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-11-20 22:50:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 360. [2021-11-20 22:50:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 324 states have (on average 1.1728395061728396) internal successors, (380), 330 states have internal predecessors, (380), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (23), 19 states have call predecessors, (23), 22 states have call successors, (23) [2021-11-20 22:50:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2021-11-20 22:50:18,175 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 57 [2021-11-20 22:50:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:18,176 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2021-11-20 22:50:18,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 22:50:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2021-11-20 22:50:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 22:50:18,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:18,179 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:18,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:18,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:18,400 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:18,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1419302876, now seen corresponding path program 1 times [2021-11-20 22:50:18,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:18,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172461352] [2021-11-20 22:50:18,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:18,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:18,421 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:50:18,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [546288033] [2021-11-20 22:50:18,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:18,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:18,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:18,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:18,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 22:50:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:18,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 22:50:18,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-20 22:50:18,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:50:18,898 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:18,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172461352] [2021-11-20 22:50:18,899 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:50:18,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546288033] [2021-11-20 22:50:18,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546288033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:18,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:18,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 22:50:18,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845902131] [2021-11-20 22:50:18,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:18,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:50:18,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:18,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:50:18,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 22:50:18,902 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 22:50:20,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:20,174 INFO L93 Difference]: Finished difference Result 688 states and 814 transitions. [2021-11-20 22:50:20,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 22:50:20,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2021-11-20 22:50:20,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:20,178 INFO L225 Difference]: With dead ends: 688 [2021-11-20 22:50:20,178 INFO L226 Difference]: Without dead ends: 360 [2021-11-20 22:50:20,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:50:20,180 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 17 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:20,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 545 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 22:50:20,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-11-20 22:50:20,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-11-20 22:50:20,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 324 states have (on average 1.1728395061728396) internal successors, (380), 330 states have internal predecessors, (380), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 19 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:50:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 424 transitions. [2021-11-20 22:50:20,201 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 424 transitions. Word has length 64 [2021-11-20 22:50:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:20,201 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 424 transitions. [2021-11-20 22:50:20,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 22:50:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 424 transitions. [2021-11-20 22:50:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-20 22:50:20,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:20,215 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:20,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:20,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:20,443 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:20,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:20,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1031523685, now seen corresponding path program 1 times [2021-11-20 22:50:20,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:20,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945976998] [2021-11-20 22:50:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:20,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:20,457 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:50:20,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274784258] [2021-11-20 22:50:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:20,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:20,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:20,458 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:20,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 22:50:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:21,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 22:50:21,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-20 22:50:21,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:50:21,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:21,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945976998] [2021-11-20 22:50:21,401 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:50:21,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274784258] [2021-11-20 22:50:21,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274784258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:21,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:21,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 22:50:21,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791568820] [2021-11-20 22:50:21,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:21,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 22:50:21,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:21,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 22:50:21,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 22:50:21,404 INFO L87 Difference]: Start difference. First operand 360 states and 424 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 22:50:23,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:50:26,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:26,104 INFO L93 Difference]: Finished difference Result 692 states and 821 transitions. [2021-11-20 22:50:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 22:50:26,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 69 [2021-11-20 22:50:26,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:26,112 INFO L225 Difference]: With dead ends: 692 [2021-11-20 22:50:26,112 INFO L226 Difference]: Without dead ends: 363 [2021-11-20 22:50:26,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-20 22:50:26,114 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 14 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:26,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 1008 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-20 22:50:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-11-20 22:50:26,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-11-20 22:50:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 326 states have (on average 1.1748466257668713) internal successors, (383), 333 states have internal predecessors, (383), 22 states have call successors, (22), 10 states have call predecessors, (22), 11 states have return successors, (23), 19 states have call predecessors, (23), 22 states have call successors, (23) [2021-11-20 22:50:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 428 transitions. [2021-11-20 22:50:26,134 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 428 transitions. Word has length 69 [2021-11-20 22:50:26,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:26,135 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 428 transitions. [2021-11-20 22:50:26,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 22:50:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 428 transitions. [2021-11-20 22:50:26,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-20 22:50:26,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:26,137 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:26,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 22:50:26,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 22:50:26,363 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:26,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1542696511, now seen corresponding path program 1 times [2021-11-20 22:50:26,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:26,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257954104] [2021-11-20 22:50:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:26,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:26,402 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:50:26,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1462292055] [2021-11-20 22:50:26,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:26,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:50:26,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:50:26,413 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:50:26,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e161d27d-db65-406d-8425-e4cbdd23912d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 22:50:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:26,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-20 22:50:26,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:50:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 22:50:27,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:50:27,418 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 22:50:27,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:27,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257954104] [2021-11-20 22:50:27,418 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:50:27,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462292055] [2021-11-20 22:50:27,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462292055] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:50:27,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1274079500] [2021-11-20 22:50:27,439 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2021-11-20 22:50:27,439 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:50:27,444 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:50:27,449 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:50:27,450 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:50:27,533 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 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 22:50:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:27,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:50:27,568 INFO L354 Elim1Store]: treesize reduction 31, result has 35.4 percent of original size [2021-11-20 22:50:27,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 70 [2021-11-20 22:50:27,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2021-11-20 22:50:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:27,609 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 23 treesize of output 17 [2021-11-20 22:50:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:27,682 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 29 treesize of output 21 [2021-11-20 22:50:27,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 18 [2021-11-20 22:50:27,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 22:50:27,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:27,811 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:50:27,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 22:50:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:27,887 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:50:27,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 22:50:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,147 INFO L354 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2021-11-20 22:50:28,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 61 [2021-11-20 22:50:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,244 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 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:50:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,268 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-20 22:50:28,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 38 [2021-11-20 22:50:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2021-11-20 22:50:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,330 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 0 case distinctions, treesize of input 55 treesize of output 58 [2021-11-20 22:50:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:28,406 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 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 22:50:30,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:50:30,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:50:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 89 [2021-11-20 22:50:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2021-11-20 22:50:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2021-11-20 22:50:31,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 85 [2021-11-20 22:50:31,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:50:31,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,351 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-20 22:50:31,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 104 [2021-11-20 22:50:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,388 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-20 22:50:31,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 97 [2021-11-20 22:50:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 96 [2021-11-20 22:50:31,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 88 [2021-11-20 22:50:31,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:31,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:50:31,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2021-11-20 22:50:31,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2021-11-20 22:50:32,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:50:32,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-20 22:50:32,146 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 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 22:50:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,224 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 28 treesize of output 10 [2021-11-20 22:50:32,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,284 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 28 treesize of output 10 [2021-11-20 22:50:32,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,323 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-20 22:50:32,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 32 [2021-11-20 22:50:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,402 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 22:50:32,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 58 [2021-11-20 22:50:32,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 treesize of output 36 [2021-11-20 22:50:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-11-20 22:50:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,484 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 22:50:32,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 23 [2021-11-20 22:50:32,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,868 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 28 treesize of output 10 [2021-11-20 22:50:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,908 INFO L354 Elim1Store]: treesize reduction 45, result has 8.2 percent of original size [2021-11-20 22:50:32,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 23 [2021-11-20 22:50:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,953 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 28 treesize of output 10 [2021-11-20 22:50:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,002 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-20 22:50:33,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 32 [2021-11-20 22:50:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,056 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 22:50:33,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 58 [2021-11-20 22:50:33,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:33,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-11-20 22:50:33,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2021-11-20 22:50:33,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2021-11-20 22:50:33,239 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 0 case distinctions, treesize of input 45 treesize of output 41 [2021-11-20 22:50:33,286 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 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 22:50:33,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:50:33,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:50:33,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:50:33,989 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-20 22:50:33,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 140 [2021-11-20 22:50:34,014 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 22:50:34,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 136 [2021-11-20 22:50:34,038 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 22:50:34,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 132 [2021-11-20 22:50:34,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:50:34,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:50:34,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:50:34,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2021-11-20 22:50:34,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2021-11-20 22:50:34,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-20 22:50:34,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2021-11-20 22:50:34,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2021-11-20 22:50:34,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-20 22:50:36,420 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 22:50:36,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1526 treesize of output 1147 [2021-11-20 22:50:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:38,079 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 22:50:38,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 1583 treesize of output 1349 [2021-11-20 22:50:39,616 INFO L354 Elim1Store]: treesize reduction 1190, result has 35.1 percent of original size [2021-11-20 22:50:39,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 1383 treesize of output 1461 [2021-11-20 22:50:40,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:50:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:40,445 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 22:50:40,446 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 36 treesize of output 20 [2021-11-20 22:50:40,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:40,938 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 22:50:40,938 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 46 treesize of output 44 [2021-11-20 22:50:41,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:50:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 119 [2021-11-20 22:50:41,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:50:41,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:50:41,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:50:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:41,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 116 [2021-11-20 22:50:42,084 INFO L354 Elim1Store]: treesize reduction 208, result has 36.4 percent of original size [2021-11-20 22:50:42,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 224 treesize of output 240 [2021-11-20 22:50:42,760 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 22:50:42,760 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 591 treesize of output 599 [2021-11-20 22:50:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:43,097 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 36 treesize of output 20 [2021-11-20 22:50:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:43,282 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 [2021-11-20 22:50:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:43,597 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-20 22:50:43,598 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 32 treesize of output 26 [2021-11-20 22:50:43,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:50:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:43,987 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 23 treesize of output 13 [2021-11-20 22:50:44,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:50:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:44,393 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 32 treesize of output 16 [2021-11-20 22:50:46,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:48,939 INFO L354 Elim1Store]: treesize reduction 953, result has 23.9 percent of original size [2021-11-20 22:50:48,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2287 treesize of output 1821 [2021-11-20 22:50:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:50,731 INFO L354 Elim1Store]: treesize reduction 1254, result has 25.9 percent of original size [2021-11-20 22:50:50,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 2717 treesize of output 2212 [2021-11-20 22:50:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:50,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:50,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:50:51,646 INFO L354 Elim1Store]: treesize reduction 492, result has 44.3 percent of original size [2021-11-20 22:50:51,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 4 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 63 case distinctions, treesize of input 1986 treesize of output 2274 [2021-11-20 22:51:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:14,932 INFO L354 Elim1Store]: treesize reduction 46, result has 52.6 percent of original size [2021-11-20 22:51:14,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1205 treesize of output 1145 [2021-11-20 22:51:17,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:17,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:17,742 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-20 22:51:17,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1184 treesize of output 1078 [2021-11-20 22:51:19,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:19,417 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:51:19,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1189 treesize of output 1131 [2021-11-20 22:51:22,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:22,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:22,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:22,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:22,782 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-20 22:51:22,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 627 treesize of output 535 [2021-11-20 22:51:23,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 606 treesize of output 518 [2021-11-20 22:51:23,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:23,795 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-20 22:51:23,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 268 treesize of output 212 [2021-11-20 22:51:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:24,117 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-20 22:51:24,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 247 treesize of output 195 [2021-11-20 22:51:24,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:24,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:24,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:24,277 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-20 22:51:24,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 278 treesize of output 222 [2021-11-20 22:51:25,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:25,907 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-20 22:51:25,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 617 treesize of output 523 [2021-11-20 22:51:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:26,878 INFO L354 Elim1Store]: treesize reduction 90, result has 24.4 percent of original size [2021-11-20 22:51:26,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 638 treesize of output 568 [2021-11-20 22:51:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:30,178 INFO L354 Elim1Store]: treesize reduction 209, result has 6.3 percent of original size [2021-11-20 22:51:30,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 279 treesize of output 231 [2021-11-20 22:51:30,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:30,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:30,891 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-20 22:51:30,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 258 treesize of output 200 [2021-11-20 22:51:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:31,497 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-20 22:51:31,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 227 [2021-11-20 22:51:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:32,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:32,507 INFO L354 Elim1Store]: treesize reduction 142, result has 2.1 percent of original size [2021-11-20 22:51:32,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1195 treesize of output 1086 [2021-11-20 22:51:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:34,947 INFO L354 Elim1Store]: treesize reduction 193, result has 13.5 percent of original size [2021-11-20 22:51:34,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1216 treesize of output 1129 [2021-11-20 22:51:38,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:38,597 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-20 22:51:38,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1200 treesize of output 1090 [2021-11-20 22:51:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:47,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:47,297 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:51:47,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1791 treesize of output 1597 [2021-11-20 22:51:52,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:52,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:52,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:52,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:52,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1784 treesize of output 1546 [2021-11-20 22:51:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:56,649 INFO L354 Elim1Store]: treesize reduction 96, result has 29.9 percent of original size [2021-11-20 22:51:56,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1252 treesize of output 1176 [2021-11-20 22:52:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:03,718 INFO L354 Elim1Store]: treesize reduction 150, result has 37.2 percent of original size [2021-11-20 22:52:03,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1267 treesize of output 1233 [2021-11-20 22:52:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:20,476 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-20 22:52:20,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1256 treesize of output 1138 [2021-11-20 22:52:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:27,777 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 154 treesize of output 126 [2021-11-20 22:52:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:28,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 204 [2021-11-20 22:52:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:28,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:28,712 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 112 treesize of output 90 [2021-11-20 22:52:31,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:31,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:31,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:31,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:31,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:31,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:31,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:31,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:31,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 198 [2021-11-20 22:52:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:32,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:32,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:32,497 INFO L354 Elim1Store]: treesize reduction 44, result has 57.3 percent of original size [2021-11-20 22:52:32,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 320 treesize of output 334 [2021-11-20 22:52:35,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:35,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:35,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 177 [2021-11-20 22:52:36,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:36,892 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:52:36,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 131 [2021-11-20 22:52:37,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:37,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:37,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:37,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:37,375 INFO L354 Elim1Store]: treesize reduction 44, result has 52.7 percent of original size [2021-11-20 22:52:37,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 179 [2021-11-20 22:52:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,543 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 26 treesize of output 10 [2021-11-20 22:52:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-20 22:52:38,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:38,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2021-11-20 22:52:40,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:40,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:40,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:40,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:40,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 131 [2021-11-20 22:52:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:42,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:42,714 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 128 [2021-11-20 22:52:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:43,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 128 [2021-11-20 22:52:45,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:52:49,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:52:54,606 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:52:55,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:52:58,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:52:58,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:52:58,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:52:59,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:53:00,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:53:00,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:53:01,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:53:02,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:53:02,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:53:04,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:53:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:04,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:04,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:04,676 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:53:04,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 955 treesize of output 857 [2021-11-20 22:53:08,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:08,180 INFO L354 Elim1Store]: treesize reduction 102, result has 26.6 percent of original size [2021-11-20 22:53:08,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 964 treesize of output 888 [2021-11-20 22:53:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:23,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2021-11-20 22:54:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:54:35,128 INFO L354 Elim1Store]: treesize reduction 348, result has 33.2 percent of original size [2021-11-20 22:54:35,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 34 case distinctions, treesize of input 4654 treesize of output 3668 [2021-11-20 22:55:11,710 INFO L354 Elim1Store]: treesize reduction 310, result has 32.2 percent of original size [2021-11-20 22:55:11,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 467 treesize of output 534 [2021-11-20 22:55:11,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:55:12,238 INFO L354 Elim1Store]: treesize reduction 234, result has 39.8 percent of original size [2021-11-20 22:55:12,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 757 treesize of output 760 [2021-11-20 22:55:12,567 INFO L354 Elim1Store]: treesize reduction 316, result has 40.3 percent of original size [2021-11-20 22:55:12,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 792 treesize of output 927 [2021-11-20 22:55:12,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:13,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:13,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:13,139 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:55:13,273 INFO L354 Elim1Store]: treesize reduction 15, result has 44.4 percent of original size [2021-11-20 22:55:13,273 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 48 treesize of output 46 [2021-11-20 22:55:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:55:13,447 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:55:13,447 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 48 treesize of output 60 [2021-11-20 22:55:13,670 INFO L354 Elim1Store]: treesize reduction 14, result has 65.9 percent of original size [2021-11-20 22:55:13,670 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 61 treesize of output 73 [2021-11-20 22:55:13,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:14,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:14,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:14,367 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 22:55:14,368 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 52 treesize of output 44 [2021-11-20 22:55:14,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:15,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:55:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:55:15,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:55:15,187 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 28 treesize of output 14 [2021-11-20 22:56:51,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:56:51,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 423 treesize of output 449 [2021-11-20 22:56:51,737 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:56:51,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 450 treesize of output 471 [2021-11-20 22:58:37,095 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:58:37,095 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 109 treesize of output 134 [2021-11-20 22:58:38,698 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:58:38,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 207 [2021-11-20 22:58:40,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:58:40,209 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:58:40,209 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 68 treesize of output 76 [2021-11-20 22:58:40,463 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:58:40,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 68 [2021-11-20 22:58:40,755 INFO L354 Elim1Store]: treesize reduction 16, result has 66.0 percent of original size [2021-11-20 22:58:40,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 81 [2021-11-20 22:58:43,445 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:58:43,445 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 27 treesize of output 31 [2021-11-20 22:58:43,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:01:52,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:01:52,847 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:01:52,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 389 treesize of output 507 [2021-11-20 23:01:52,938 INFO L354 Elim1Store]: treesize reduction 53, result has 45.4 percent of original size [2021-11-20 23:01:52,938 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 507 treesize of output 471 [2021-11-20 23:01:53,039 INFO L354 Elim1Store]: treesize reduction 35, result has 55.7 percent of original size [2021-11-20 23:01:53,039 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 471 treesize of output 447