./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/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_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/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_7d12219c-536e-4aee-a17a-abf87da1cb8a/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 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:52:31,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:52:31,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:52:31,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:52:31,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:52:31,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:52:31,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:52:31,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:52:31,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:52:31,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:52:31,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:52:31,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:52:31,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:52:31,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:52:31,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:52:31,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:52:31,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:52:31,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:52:31,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:52:31,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:52:31,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:52:31,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:52:31,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:52:31,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:52:31,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:52:31,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:52:31,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:52:31,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:52:31,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:52:31,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:52:31,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:52:31,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:52:31,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:52:31,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:52:31,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:52:31,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:52:31,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:52:31,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:52:31,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:52:31,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:52:31,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:52:31,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:52:31,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:52:31,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:52:31,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:52:31,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:52:31,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:52:31,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:52:31,465 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:52:31,466 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:52:31,466 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:52:31,466 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:52:31,466 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:52:31,466 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:52:31,467 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:52:31,467 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:52:31,467 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:52:31,467 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:52:31,468 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:52:31,468 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:52:31,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:52:31,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:52:31,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:52:31,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:52:31,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:52:31,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:52:31,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:52:31,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:52:31,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:52:31,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:52:31,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:52:31,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:52:31,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:52:31,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:52:31,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:52:31,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:52:31,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:52:31,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:52:31,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:52:31,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:52:31,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:52:31,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:52:31,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:52:31,474 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf [2021-11-21 01:52:31,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:52:31,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:52:31,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:52:31,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:52:31,898 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:52:31,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2021-11-21 01:52:32,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/data/82cc9321d/8a3e0bcef4f64d248800bb84157f2eeb/FLAGb2380659e [2021-11-21 01:52:32,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:52:32,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2021-11-21 01:52:32,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/data/82cc9321d/8a3e0bcef4f64d248800bb84157f2eeb/FLAGb2380659e [2021-11-21 01:52:32,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/data/82cc9321d/8a3e0bcef4f64d248800bb84157f2eeb [2021-11-21 01:52:32,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:52:32,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:52:32,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:52:32,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:52:32,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:52:32,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:52:32" (1/1) ... [2021-11-21 01:52:32,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3505e316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:32, skipping insertion in model container [2021-11-21 01:52:32,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:52:32" (1/1) ... [2021-11-21 01:52:32,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:52:33,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:52:33,796 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44118,44131] [2021-11-21 01:52:33,809 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44660,44673] [2021-11-21 01:52:33,964 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56247,56260] [2021-11-21 01:52:33,965 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56368,56381] [2021-11-21 01:52:33,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:52:34,017 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:52:34,100 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44118,44131] [2021-11-21 01:52:34,114 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44660,44673] [2021-11-21 01:52:34,230 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56247,56260] [2021-11-21 01:52:34,240 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_7d12219c-536e-4aee-a17a-abf87da1cb8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56368,56381] [2021-11-21 01:52:34,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:52:34,361 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:52:34,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34 WrapperNode [2021-11-21 01:52:34,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:52:34,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:52:34,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:52:34,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:52:34,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,636 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1199 [2021-11-21 01:52:34,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:52:34,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:52:34,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:52:34,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:52:34,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:52:34,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:52:34,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:52:34,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:52:34,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (1/1) ... [2021-11-21 01:52:34,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:52:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:34,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:52:34,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:52:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:52:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:52:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:52:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:52:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-21 01:52:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-21 01:52:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:52:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:52:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:52:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:52:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:52:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:52:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-21 01:52:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-21 01:52:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:52:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-21 01:52:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-21 01:52:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:52:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:52:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:52:35,331 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:52:35,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:52:36,639 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:52:37,241 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:52:37,242 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 01:52:37,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:52:37 BoogieIcfgContainer [2021-11-21 01:52:37,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:52:37,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:52:37,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:52:37,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:52:37,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:52:32" (1/3) ... [2021-11-21 01:52:37,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383f3ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:52:37, skipping insertion in model container [2021-11-21 01:52:37,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:52:34" (2/3) ... [2021-11-21 01:52:37,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383f3ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:52:37, skipping insertion in model container [2021-11-21 01:52:37,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:52:37" (3/3) ... [2021-11-21 01:52:37,263 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test6-2.i [2021-11-21 01:52:37,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:52:37,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-21 01:52:37,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:52:37,373 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:52:37,373 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-21 01:52:37,408 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) [2021-11-21 01:52:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 01:52:37,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:37,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:52:37,420 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)] === [2021-11-21 01:52:37,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:37,427 INFO L85 PathProgramCache]: Analyzing trace with hash -435450484, now seen corresponding path program 1 times [2021-11-21 01:52:37,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:37,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972736981] [2021-11-21 01:52:37,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:37,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:52:37,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:37,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972736981] [2021-11-21 01:52:37,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972736981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:37,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:37,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:52:37,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995910528] [2021-11-21 01:52:37,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:37,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:52:37,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:37,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:52:37,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:52:37,713 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) [2021-11-21 01:52:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:38,416 INFO L93 Difference]: Finished difference Result 317 states and 538 transitions. [2021-11-21 01:52:38,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:52:38,426 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 [2021-11-21 01:52:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:38,436 INFO L225 Difference]: With dead ends: 317 [2021-11-21 01:52:38,437 INFO L226 Difference]: Without dead ends: 157 [2021-11-21 01:52:38,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:52:38,445 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 [2021-11-21 01:52:38,446 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] [2021-11-21 01:52:38,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-21 01:52:38,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-21 01:52:38,503 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) [2021-11-21 01:52:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 188 transitions. [2021-11-21 01:52:38,508 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 188 transitions. Word has length 7 [2021-11-21 01:52:38,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:38,508 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 188 transitions. [2021-11-21 01:52:38,509 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) [2021-11-21 01:52:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 188 transitions. [2021-11-21 01:52:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:52:38,510 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:38,510 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:52:38,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:52:38,511 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)] === [2021-11-21 01:52:38,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1156235943, now seen corresponding path program 1 times [2021-11-21 01:52:38,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:38,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670960481] [2021-11-21 01:52:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:38,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:52:38,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:38,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670960481] [2021-11-21 01:52:38,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670960481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:38,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:38,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:52:38,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412342852] [2021-11-21 01:52:38,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:38,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:52:38,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:38,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:52:38,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:52:38,606 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) [2021-11-21 01:52:40,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:52:41,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:41,148 INFO L93 Difference]: Finished difference Result 324 states and 391 transitions. [2021-11-21 01:52:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:52:41,158 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 [2021-11-21 01:52:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:41,162 INFO L225 Difference]: With dead ends: 324 [2021-11-21 01:52:41,162 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 01:52:41,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:52:41,170 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 74 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:41,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 444 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 01:52:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 01:52:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 159. [2021-11-21 01:52:41,208 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) [2021-11-21 01:52:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 190 transitions. [2021-11-21 01:52:41,211 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 190 transitions. Word has length 9 [2021-11-21 01:52:41,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:41,211 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 190 transitions. [2021-11-21 01:52:41,212 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) [2021-11-21 01:52:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2021-11-21 01:52:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:52:41,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:41,213 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] [2021-11-21 01:52:41,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:52:41,214 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)] === [2021-11-21 01:52:41,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash 618014543, now seen corresponding path program 1 times [2021-11-21 01:52:41,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:41,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114726715] [2021-11-21 01:52:41,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:41,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:41,271 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:52:41,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268338071] [2021-11-21 01:52:41,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:41,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:41,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:41,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:41,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:52:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:41,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:52:41,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:52:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:52:42,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:52:42,009 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:42,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114726715] [2021-11-21 01:52:42,009 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:52:42,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268338071] [2021-11-21 01:52:42,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268338071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:42,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:42,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:52:42,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780864636] [2021-11-21 01:52:42,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:42,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:52:42,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:42,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:52:42,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:52:42,013 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) [2021-11-21 01:52:44,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:44,111 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2021-11-21 01:52:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:52:44,112 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 [2021-11-21 01:52:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:44,114 INFO L225 Difference]: With dead ends: 170 [2021-11-21 01:52:44,114 INFO L226 Difference]: Without dead ends: 168 [2021-11-21 01:52:44,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:52:44,115 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 11 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:44,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 778 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:52:44,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-21 01:52:44,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-11-21 01:52:44,131 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) [2021-11-21 01:52:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2021-11-21 01:52:44,133 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 20 [2021-11-21 01:52:44,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:44,133 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2021-11-21 01:52:44,134 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) [2021-11-21 01:52:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2021-11-21 01:52:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:52:44,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:44,136 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] [2021-11-21 01:52:44,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:52:44,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:44,362 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)] === [2021-11-21 01:52:44,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:44,362 INFO L85 PathProgramCache]: Analyzing trace with hash -746982808, now seen corresponding path program 1 times [2021-11-21 01:52:44,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:44,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287472202] [2021-11-21 01:52:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:44,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:44,414 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:52:44,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977642799] [2021-11-21 01:52:44,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:44,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:44,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:44,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:44,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:52:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:44,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:52:44,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:52:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:52:44,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:52:44,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:44,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287472202] [2021-11-21 01:52:44,826 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:52:44,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977642799] [2021-11-21 01:52:44,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977642799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:44,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:44,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:52:44,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993995828] [2021-11-21 01:52:44,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:44,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:52:44,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:44,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:52:44,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:52:44,829 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) [2021-11-21 01:52:45,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:45,687 INFO L93 Difference]: Finished difference Result 408 states and 486 transitions. [2021-11-21 01:52:45,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:52:45,688 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 [2021-11-21 01:52:45,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:45,690 INFO L225 Difference]: With dead ends: 408 [2021-11-21 01:52:45,691 INFO L226 Difference]: Without dead ends: 243 [2021-11-21 01:52:45,692 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 [2021-11-21 01:52:45,693 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 68 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2021-11-21 01:52:45,694 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] [2021-11-21 01:52:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-11-21 01:52:45,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 211. [2021-11-21 01:52:45,711 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) [2021-11-21 01:52:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2021-11-21 01:52:45,713 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 28 [2021-11-21 01:52:45,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:45,713 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2021-11-21 01:52:45,713 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) [2021-11-21 01:52:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2021-11-21 01:52:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 01:52:45,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:45,715 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] [2021-11-21 01:52:45,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:52:45,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:45,934 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)] === [2021-11-21 01:52:45,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:45,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1769840484, now seen corresponding path program 1 times [2021-11-21 01:52:45,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:45,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953346983] [2021-11-21 01:52:45,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:45,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:45,953 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:52:45,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330033408] [2021-11-21 01:52:45,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:45,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:45,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:45,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:45,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:52:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:52:46,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:52:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:52:46,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:52:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:52:46,453 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:46,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953346983] [2021-11-21 01:52:46,454 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:52:46,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330033408] [2021-11-21 01:52:46,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330033408] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 01:52:46,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:52:46,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2021-11-21 01:52:46,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012195952] [2021-11-21 01:52:46,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:46,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:52:46,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:46,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:52:46,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:52:46,456 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) [2021-11-21 01:52:47,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:47,794 INFO L93 Difference]: Finished difference Result 801 states and 954 transitions. [2021-11-21 01:52:47,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:52:47,795 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 [2021-11-21 01:52:47,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:47,803 INFO L225 Difference]: With dead ends: 801 [2021-11-21 01:52:47,804 INFO L226 Difference]: Without dead ends: 606 [2021-11-21 01:52:47,807 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 [2021-11-21 01:52:47,810 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 961 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:47,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [961 Valid, 493 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:52:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-11-21 01:52:47,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 356. [2021-11-21 01:52:47,848 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) [2021-11-21 01:52:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 421 transitions. [2021-11-21 01:52:47,853 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 421 transitions. Word has length 32 [2021-11-21 01:52:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:47,854 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 421 transitions. [2021-11-21 01:52:47,854 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) [2021-11-21 01:52:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 421 transitions. [2021-11-21 01:52:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 01:52:47,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:47,857 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] [2021-11-21 01:52:47,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:52:48,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:48,079 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)] === [2021-11-21 01:52:48,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:48,081 INFO L85 PathProgramCache]: Analyzing trace with hash -498476679, now seen corresponding path program 1 times [2021-11-21 01:52:48,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:48,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40871201] [2021-11-21 01:52:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:48,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:48,105 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:52:48,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283514009] [2021-11-21 01:52:48,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:48,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:48,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:48,122 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:48,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:52:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:48,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:52:48,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:52:48,513 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 [2021-11-21 01:52:48,528 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 [2021-11-21 01:52:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:52:48,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:52:48,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:48,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40871201] [2021-11-21 01:52:48,541 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:52:48,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283514009] [2021-11-21 01:52:48,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283514009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:48,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:48,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:52:48,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145239140] [2021-11-21 01:52:48,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:48,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:52:48,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:48,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:52:48,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:52:48,543 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) [2021-11-21 01:52:50,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:52:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:51,129 INFO L93 Difference]: Finished difference Result 513 states and 616 transitions. [2021-11-21 01:52:51,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:52:51,134 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 [2021-11-21 01:52:51,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:51,138 INFO L225 Difference]: With dead ends: 513 [2021-11-21 01:52:51,138 INFO L226 Difference]: Without dead ends: 446 [2021-11-21 01:52:51,139 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 [2021-11-21 01:52:51,140 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:51,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 434 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 01:52:51,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-11-21 01:52:51,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 360. [2021-11-21 01:52:51,162 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) [2021-11-21 01:52:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2021-11-21 01:52:51,165 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 57 [2021-11-21 01:52:51,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:51,165 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2021-11-21 01:52:51,165 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) [2021-11-21 01:52:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2021-11-21 01:52:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:52:51,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:51,168 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] [2021-11-21 01:52:51,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:52:51,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 01:52:51,373 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)] === [2021-11-21 01:52:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:51,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1419302876, now seen corresponding path program 1 times [2021-11-21 01:52:51,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:51,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389359367] [2021-11-21 01:52:51,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:51,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:51,396 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:52:51,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1516176485] [2021-11-21 01:52:51,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:51,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:51,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:51,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:51,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:52:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:51,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 01:52:51,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:52:51,860 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 01:52:51,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:52:51,861 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:51,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389359367] [2021-11-21 01:52:51,861 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:52:51,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516176485] [2021-11-21 01:52:51,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516176485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:51,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:51,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:52:51,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800491773] [2021-11-21 01:52:51,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:51,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:52:51,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:51,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:52:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:52:51,863 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) [2021-11-21 01:52:53,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:53,158 INFO L93 Difference]: Finished difference Result 688 states and 814 transitions. [2021-11-21 01:52:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:52:53,158 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 [2021-11-21 01:52:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:53,161 INFO L225 Difference]: With dead ends: 688 [2021-11-21 01:52:53,161 INFO L226 Difference]: Without dead ends: 360 [2021-11-21 01:52:53,163 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 [2021-11-21 01:52:53,164 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 [2021-11-21 01:52:53,165 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] [2021-11-21 01:52:53,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-11-21 01:52:53,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-11-21 01:52:53,190 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) [2021-11-21 01:52:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 424 transitions. [2021-11-21 01:52:53,197 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 424 transitions. Word has length 64 [2021-11-21 01:52:53,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:53,198 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 424 transitions. [2021-11-21 01:52:53,198 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) [2021-11-21 01:52:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 424 transitions. [2021-11-21 01:52:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 01:52:53,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:53,200 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] [2021-11-21 01:52:53,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:52:53,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:53,424 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)] === [2021-11-21 01:52:53,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1031523685, now seen corresponding path program 1 times [2021-11-21 01:52:53,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:53,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732740408] [2021-11-21 01:52:53,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:53,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:53,442 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:52:53,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907727643] [2021-11-21 01:52:53,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:53,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:53,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:53,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:53,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:52:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:54,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 01:52:54,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:52:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 01:52:54,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:52:54,421 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:54,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732740408] [2021-11-21 01:52:54,422 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:52:54,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907727643] [2021-11-21 01:52:54,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907727643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:54,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:52:54,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 01:52:54,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067314100] [2021-11-21 01:52:54,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:54,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:52:54,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:52:54,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:52:54,423 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) [2021-11-21 01:52:57,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:52:59,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:59,845 INFO L93 Difference]: Finished difference Result 692 states and 821 transitions. [2021-11-21 01:52:59,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:52:59,851 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 [2021-11-21 01:52:59,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:59,855 INFO L225 Difference]: With dead ends: 692 [2021-11-21 01:52:59,855 INFO L226 Difference]: Without dead ends: 363 [2021-11-21 01:52:59,857 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 [2021-11-21 01:52:59,858 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 14 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:59,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 1008 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-21 01:52:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-11-21 01:52:59,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-11-21 01:52:59,880 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) [2021-11-21 01:52:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 428 transitions. [2021-11-21 01:52:59,884 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 428 transitions. Word has length 69 [2021-11-21 01:52:59,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:59,885 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 428 transitions. [2021-11-21 01:52:59,885 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) [2021-11-21 01:52:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 428 transitions. [2021-11-21 01:52:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 01:52:59,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:59,887 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] [2021-11-21 01:52:59,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:53:00,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:53:00,100 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)] === [2021-11-21 01:53:00,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:53:00,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1542696511, now seen corresponding path program 1 times [2021-11-21 01:53:00,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:53:00,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791418067] [2021-11-21 01:53:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:00,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:53:00,124 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:53:00,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775221304] [2021-11-21 01:53:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:00,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:53:00,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:53:00,126 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:53:00,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d12219c-536e-4aee-a17a-abf87da1cb8a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:53:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:00,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 01:53:00,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:53:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:53:00,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:53:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-21 01:53:01,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:53:01,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791418067] [2021-11-21 01:53:01,204 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:53:01,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775221304] [2021-11-21 01:53:01,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775221304] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:53:01,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [500218486] [2021-11-21 01:53:01,229 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2021-11-21 01:53:01,229 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:53:01,236 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:53:01,241 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:53:01,242 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:53:01,353 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 [2021-11-21 01:53:01,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:53:01,391 INFO L354 Elim1Store]: treesize reduction 31, result has 35.4 percent of original size [2021-11-21 01:53:01,391 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 [2021-11-21 01:53:01,406 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 [2021-11-21 01:53:01,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,449 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 [2021-11-21 01:53:01,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-21 01:53:01,534 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 [2021-11-21 01:53:01,578 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 [2021-11-21 01:53:01,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,630 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:53:01,631 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 [2021-11-21 01:53:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,719 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:53:01,720 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 [2021-11-21 01:53:01,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:01,995 INFO L354 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2021-11-21 01:53:01,995 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 [2021-11-21 01:53:02,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,106 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 [2021-11-21 01:53:02,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,131 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:53:02,131 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 [2021-11-21 01:53:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,187 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 [2021-11-21 01:53:02,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,201 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 [2021-11-21 01:53:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:02,276 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 [2021-11-21 01:53:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,034 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 [2021-11-21 01:53:05,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,079 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 [2021-11-21 01:53:05,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,130 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 [2021-11-21 01:53:05,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,160 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 [2021-11-21 01:53:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,187 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 [2021-11-21 01:53:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,213 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 [2021-11-21 01:53:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,483 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 [2021-11-21 01:53:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,567 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-21 01:53:05,568 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 [2021-11-21 01:53:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,609 INFO L354 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2021-11-21 01:53:05,610 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 [2021-11-21 01:53:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,636 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 [2021-11-21 01:53:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,668 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 [2021-11-21 01:53:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:05,798 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 [2021-11-21 01:53:06,255 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 [2021-11-21 01:53:06,263 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 [2021-11-21 01:53:06,268 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 [2021-11-21 01:53:06,413 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 [2021-11-21 01:53:06,425 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 [2021-11-21 01:53:06,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,518 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 [2021-11-21 01:53:06,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-21 01:53:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,665 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-21 01:53:06,666 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 [2021-11-21 01:53:06,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,759 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:53:06,759 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 [2021-11-21 01:53:06,781 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 [2021-11-21 01:53:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,802 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 [2021-11-21 01:53:06,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:06,864 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:53:06,865 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 [2021-11-21 01:53:07,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,319 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 [2021-11-21 01:53:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,358 INFO L354 Elim1Store]: treesize reduction 45, result has 8.2 percent of original size [2021-11-21 01:53:07,358 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 [2021-11-21 01:53:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,402 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 [2021-11-21 01:53:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,458 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-21 01:53:07,459 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 [2021-11-21 01:53:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,518 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:53:07,518 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 [2021-11-21 01:53:07,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:07,540 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 [2021-11-21 01:53:07,551 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 [2021-11-21 01:53:07,672 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 [2021-11-21 01:53:07,683 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 [2021-11-21 01:53:07,740 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 [2021-11-21 01:53:08,485 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 [2021-11-21 01:53:08,500 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 [2021-11-21 01:53:08,516 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 [2021-11-21 01:53:08,582 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:53:08,583 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 [2021-11-21 01:53:08,610 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:53:08,611 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 [2021-11-21 01:53:08,636 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:53:08,637 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 [2021-11-21 01:53:08,792 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 [2021-11-21 01:53:08,803 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 [2021-11-21 01:53:08,817 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 [2021-11-21 01:53:08,991 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 [2021-11-21 01:53:09,001 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 [2021-11-21 01:53:09,049 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 [2021-11-21 01:53:09,420 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 [2021-11-21 01:53:09,430 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 [2021-11-21 01:53:09,481 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 [2021-11-21 01:53:11,274 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:53:11,274 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 [2021-11-21 01:53:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:13,283 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:53:13,284 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 [2021-11-21 01:53:15,000 INFO L354 Elim1Store]: treesize reduction 1190, result has 35.1 percent of original size [2021-11-21 01:53:15,000 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 [2021-11-21 01:53:15,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:53:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:15,899 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:53:15,899 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 [2021-11-21 01:53:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,436 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:53:16,437 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 [2021-11-21 01:53:16,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:53:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,688 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 [2021-11-21 01:53:16,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:53:16,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:53:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:53:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:16,991 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 [2021-11-21 01:53:17,713 INFO L354 Elim1Store]: treesize reduction 208, result has 36.4 percent of original size [2021-11-21 01:53:17,713 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 [2021-11-21 01:53:18,410 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:53:18,411 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 [2021-11-21 01:53:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:18,754 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 [2021-11-21 01:53:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:18,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-21 01:53:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:19,275 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 01:53:19,276 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 [2021-11-21 01:53:19,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:53:19,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:19,650 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 [2021-11-21 01:53:19,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:53:20,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:20,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-21 01:53:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:25,077 INFO L354 Elim1Store]: treesize reduction 953, result has 23.9 percent of original size [2021-11-21 01:53:25,077 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 [2021-11-21 01:53:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:27,317 INFO L354 Elim1Store]: treesize reduction 1254, result has 25.9 percent of original size [2021-11-21 01:53:27,318 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 [2021-11-21 01:53:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:28,408 INFO L354 Elim1Store]: treesize reduction 492, result has 44.3 percent of original size [2021-11-21 01:53:28,409 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 [2021-11-21 01:53:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:54,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:54,727 INFO L354 Elim1Store]: treesize reduction 46, result has 52.6 percent of original size [2021-11-21 01:53:54,727 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 [2021-11-21 01:53:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:58,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:53:58,295 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 01:53:58,296 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 [2021-11-21 01:54:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:00,254 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:54:00,254 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 [2021-11-21 01:54:04,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,212 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-21 01:54:04,213 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 [2021-11-21 01:54:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:04,776 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 [2021-11-21 01:54:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:05,677 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-21 01:54:05,677 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 [2021-11-21 01:54:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:06,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:06,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:06,100 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 01:54:06,101 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 [2021-11-21 01:54:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:06,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:06,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:06,334 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:54:06,335 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 [2021-11-21 01:54:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:08,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:08,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:08,418 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:54:08,419 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 [2021-11-21 01:54:09,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:09,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:09,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:09,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:09,479 INFO L354 Elim1Store]: treesize reduction 90, result has 24.4 percent of original size [2021-11-21 01:54:09,480 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 [2021-11-21 01:54:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:13,135 INFO L354 Elim1Store]: treesize reduction 209, result has 6.3 percent of original size [2021-11-21 01:54:13,136 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 [2021-11-21 01:54:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:14,108 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-21 01:54:14,109 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 [2021-11-21 01:54:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:14,955 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:54:14,955 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 [2021-11-21 01:54:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:16,084 INFO L354 Elim1Store]: treesize reduction 142, result has 2.1 percent of original size [2021-11-21 01:54:16,084 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 [2021-11-21 01:54:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:19,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:19,270 INFO L354 Elim1Store]: treesize reduction 193, result has 13.5 percent of original size [2021-11-21 01:54:19,271 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 [2021-11-21 01:54:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:23,924 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:54:23,924 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 [2021-11-21 01:54:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:34,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:34,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:54:34,623 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 [2021-11-21 01:54:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:40,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:54:40,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-11-21 01:54:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:45,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:45,910 INFO L354 Elim1Store]: treesize reduction 96, result has 29.9 percent of original size [2021-11-21 01:54:45,910 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 [2021-11-21 01:54:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:54:55,116 INFO L354 Elim1Store]: treesize reduction 150, result has 37.2 percent of original size [2021-11-21 01:54:55,117 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 [2021-11-21 01:55:16,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:16,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:16,267 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-21 01:55:16,267 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 [2021-11-21 01:55:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:25,950 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 [2021-11-21 01:55:26,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:26,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-21 01:55:27,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:27,128 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 [2021-11-21 01:55:31,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:55:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:31,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:31,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:31,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:31,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:55:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:31,547 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 [2021-11-21 01:55:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:32,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:32,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:32,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:32,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:55:32,171 INFO L354 Elim1Store]: treesize reduction 44, result has 57.3 percent of original size [2021-11-21 01:55:32,171 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 [2021-11-21 01:55:35,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:55:35,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:35,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:35,761 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 [2021-11-21 01:55:37,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:37,679 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:55:37,679 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 [2021-11-21 01:55:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:38,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:38,263 INFO L354 Elim1Store]: treesize reduction 44, result has 52.7 percent of original size [2021-11-21 01:55:38,263 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 [2021-11-21 01:55:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:39,705 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 [2021-11-21 01:55:39,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:39,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:39,909 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 [2021-11-21 01:55:40,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:40,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:40,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:40,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:40,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:40,107 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 [2021-11-21 01:55:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:41,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:41,646 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 [2021-11-21 01:55:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:44,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:44,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:44,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:44,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:44,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:55:44,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-11-21 01:55:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:55:46,213 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 [2021-11-21 01:55:49,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:55:54,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:00,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:01,943 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:05,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:05,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:05,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:06,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:07,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:07,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:09,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:09,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:10,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:56:12,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:56:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:12,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:12,992 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:56:12,992 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 [2021-11-21 01:56:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:17,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:17,719 INFO L354 Elim1Store]: treesize reduction 102, result has 26.6 percent of original size [2021-11-21 01:56:17,720 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 [2021-11-21 01:56:37,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:37,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:37,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:37,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:37,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:37,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:56:37,791 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 [2021-11-21 01:58:08,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:09,245 INFO L354 Elim1Store]: treesize reduction 348, result has 33.2 percent of original size [2021-11-21 01:58:09,245 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 [2021-11-21 01:58:56,539 INFO L354 Elim1Store]: treesize reduction 310, result has 32.2 percent of original size [2021-11-21 01:58:56,539 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 [2021-11-21 01:58:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:57,235 INFO L354 Elim1Store]: treesize reduction 234, result has 39.8 percent of original size [2021-11-21 01:58:57,235 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 [2021-11-21 01:58:57,715 INFO L354 Elim1Store]: treesize reduction 316, result has 40.3 percent of original size [2021-11-21 01:58:57,716 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 [2021-11-21 01:58:58,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:58,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:58,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:58,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:58,592 INFO L354 Elim1Store]: treesize reduction 15, result has 44.4 percent of original size [2021-11-21 01:58:58,593 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 [2021-11-21 01:58:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:58:58,835 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:58:58,835 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 [2021-11-21 01:58:59,122 INFO L354 Elim1Store]: treesize reduction 14, result has 65.9 percent of original size [2021-11-21 01:58:59,122 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 [2021-11-21 01:58:59,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:59,650 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:59,751 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:58:59,945 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:58:59,946 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 [2021-11-21 01:59:00,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:00,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:59:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:59:01,060 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:59:01,060 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 [2021-11-21 02:01:11,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:01:11,741 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 [2021-11-21 02:01:11,810 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:01:11,811 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 [2021-11-21 02:03:35,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:03:35,662 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 [2021-11-21 02:03:37,936 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:03:37,936 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 [2021-11-21 02:03:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:03:39,884 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:03:39,885 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 [2021-11-21 02:03:40,275 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:03:40,276 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 [2021-11-21 02:03:40,694 INFO L354 Elim1Store]: treesize reduction 16, result has 66.0 percent of original size [2021-11-21 02:03:40,694 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 [2021-11-21 02:03:44,265 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:03:44,266 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 [2021-11-21 02:03:44,492 WARN L234 Elim1Store]: Array PQE input equivalent to false