./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7 --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 da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:23:59,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:23:59,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:23:59,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:23:59,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:23:59,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:23:59,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:23:59,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:23:59,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:23:59,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:23:59,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:23:59,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:23:59,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:23:59,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:23:59,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:23:59,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:23:59,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:23:59,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:23:59,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:23:59,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:23:59,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:23:59,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:23:59,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:23:59,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:23:59,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:23:59,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:23:59,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:23:59,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:23:59,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:23:59,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:23:59,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:23:59,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:23:59,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:23:59,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:23:59,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:23:59,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:23:59,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:23:59,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:23:59,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:23:59,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:23:59,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:23:59,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:24:00,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:24:00,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:24:00,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:24:00,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:24:00,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:24:00,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:24:00,011 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:24:00,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:24:00,011 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:24:00,012 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:24:00,012 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:24:00,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:24:00,012 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:24:00,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:24:00,013 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:24:00,013 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:24:00,013 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:24:00,013 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:24:00,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:24:00,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:24:00,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:24:00,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:24:00,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:24:00,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:24:00,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:24:00,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:24:00,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:24:00,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:24:00,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:24:00,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:24:00,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:24:00,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:24:00,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:24:00,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:24:00,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:24:00,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:24:00,018 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:24:00,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:24:00,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:24:00,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:24:00,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:24:00,019 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_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 [2021-11-25 20:24:00,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:24:00,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:24:00,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:24:00,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:24:00,327 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:24:00,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2021-11-25 20:24:00,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/data/b3773206e/57169ce5c4364f9e90de19434db37b8b/FLAG2978530d3 [2021-11-25 20:24:01,060 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:24:01,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2021-11-25 20:24:01,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/data/b3773206e/57169ce5c4364f9e90de19434db37b8b/FLAG2978530d3 [2021-11-25 20:24:01,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/data/b3773206e/57169ce5c4364f9e90de19434db37b8b [2021-11-25 20:24:01,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:24:01,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:24:01,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:24:01,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:24:01,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:24:01,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:24:01" (1/1) ... [2021-11-25 20:24:01,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4107611a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:01, skipping insertion in model container [2021-11-25 20:24:01,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:24:01" (1/1) ... [2021-11-25 20:24:01,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:24:01,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:24:01,839 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_5fdc0abe-df18-4c28-a967-a91d16efa2fe/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[37019,37032] [2021-11-25 20:24:01,987 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_5fdc0abe-df18-4c28-a967-a91d16efa2fe/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[47352,47365] [2021-11-25 20:24:02,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:24:02,012 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:24:02,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[37019,37032] [2021-11-25 20:24:02,114 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_5fdc0abe-df18-4c28-a967-a91d16efa2fe/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i[47352,47365] [2021-11-25 20:24:02,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:24:02,181 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:24:02,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02 WrapperNode [2021-11-25 20:24:02,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:24:02,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:24:02,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:24:02,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:24:02,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,297 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1039 [2021-11-25 20:24:02,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:24:02,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:24:02,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:24:02,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:24:02,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:24:02,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:24:02,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:24:02,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:24:02,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (1/1) ... [2021-11-25 20:24:02,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:24:02,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:24:02,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:24:02,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:24:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:24:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:24:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:24:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:24:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:24:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:24:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:24:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:24:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:24:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:24:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:24:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:24:02,824 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:24:02,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:24:04,003 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:24:04,554 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:24:04,554 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 20:24:04,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:24:04 BoogieIcfgContainer [2021-11-25 20:24:04,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:24:04,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:24:04,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:24:04,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:24:04,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:24:01" (1/3) ... [2021-11-25 20:24:04,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b454bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:24:04, skipping insertion in model container [2021-11-25 20:24:04,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:24:02" (2/3) ... [2021-11-25 20:24:04,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b454bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:24:04, skipping insertion in model container [2021-11-25 20:24:04,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:24:04" (3/3) ... [2021-11-25 20:24:04,567 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-2.i [2021-11-25 20:24:04,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:24:04,579 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:24:04,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:24:04,657 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 [2021-11-25 20:24:04,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 20:24:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:24:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:24:04,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:04,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:04,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:24:04,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:04,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1967387469, now seen corresponding path program 1 times [2021-11-25 20:24:04,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:04,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330519827] [2021-11-25 20:24:04,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:04,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:24:04,873 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:04,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330519827] [2021-11-25 20:24:04,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330519827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:04,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:04,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:24:04,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336047658] [2021-11-25 20:24:04,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:04,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 20:24:04,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:04,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 20:24:04,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:24:04,911 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-25 20:24:06,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:24:06,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:06,813 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2021-11-25 20:24:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 20:24:06,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-25 20:24:06,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:06,851 INFO L225 Difference]: With dead ends: 245 [2021-11-25 20:24:06,851 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 20:24:06,855 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 [2021-11-25 20:24:06,858 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:06,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 20:24:06,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 20:24:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 20:24:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:24:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-25 20:24:06,913 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-25 20:24:06,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:06,913 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-25 20:24:06,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-25 20:24:06,914 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-25 20:24:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 20:24:06,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:06,916 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] [2021-11-25 20:24:06,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:24:06,917 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:24:06,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:06,918 INFO L85 PathProgramCache]: Analyzing trace with hash 666058235, now seen corresponding path program 1 times [2021-11-25 20:24:06,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:06,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060906466] [2021-11-25 20:24:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:06,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:24:07,013 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:07,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060906466] [2021-11-25 20:24:07,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060906466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:07,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:07,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:24:07,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984138397] [2021-11-25 20:24:07,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:07,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:24:07,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:07,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:24:07,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:24:07,027 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-25 20:24:08,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:08,047 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-25 20:24:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:24:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-25 20:24:08,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:08,054 INFO L225 Difference]: With dead ends: 222 [2021-11-25 20:24:08,054 INFO L226 Difference]: Without dead ends: 168 [2021-11-25 20:24:08,055 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 [2021-11-25 20:24:08,057 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:08,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 20:24:08,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-25 20:24:08,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-25 20:24:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:24:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-25 20:24:08,074 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-25 20:24:08,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:08,074 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-25 20:24:08,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-25 20:24:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-25 20:24:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 20:24:08,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:08,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:08,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:24:08,077 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:24:08,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:08,078 INFO L85 PathProgramCache]: Analyzing trace with hash -148459342, now seen corresponding path program 1 times [2021-11-25 20:24:08,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:08,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900137292] [2021-11-25 20:24:08,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:08,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:08,209 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:24:08,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992054915] [2021-11-25 20:24:08,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:08,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:08,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:24:08,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:24:08,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:24:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:08,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:24:08,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:24:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:24:09,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:24:09,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:09,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900137292] [2021-11-25 20:24:09,161 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:24:09,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992054915] [2021-11-25 20:24:09,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992054915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:09,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:09,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:24:09,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959289808] [2021-11-25 20:24:09,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:09,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:24:09,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:09,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:24:09,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:24:09,167 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-25 20:24:10,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:24:12,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:24:12,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:12,628 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-25 20:24:12,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:24:12,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-25 20:24:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:12,658 INFO L225 Difference]: With dead ends: 260 [2021-11-25 20:24:12,658 INFO L226 Difference]: Without dead ends: 154 [2021-11-25 20:24:12,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:24:12,660 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:12,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 20:24:12,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-25 20:24:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-25 20:24:12,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 20:24:12,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-25 20:24:12,677 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-25 20:24:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:12,678 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-25 20:24:12,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-25 20:24:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-25 20:24:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 20:24:12,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:12,681 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:12,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:24:12,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:12,907 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:24:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2144184370, now seen corresponding path program 1 times [2021-11-25 20:24:12,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:12,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334143803] [2021-11-25 20:24:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:12,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:12,989 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:24:12,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124023550] [2021-11-25 20:24:12,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:12,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:12,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:24:12,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:24:13,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:24:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:13,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:24:13,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:24:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:24:13,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:24:13,630 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:13,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334143803] [2021-11-25 20:24:13,634 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:24:13,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124023550] [2021-11-25 20:24:13,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124023550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:13,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:13,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:24:13,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265188823] [2021-11-25 20:24:13,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:13,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:24:13,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:13,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:24:13,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:24:13,637 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:24:14,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:14,187 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-25 20:24:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:24:14,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-25 20:24:14,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:14,189 INFO L225 Difference]: With dead ends: 258 [2021-11-25 20:24:14,189 INFO L226 Difference]: Without dead ends: 122 [2021-11-25 20:24:14,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:24:14,191 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:14,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 20:24:14,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-25 20:24:14,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-25 20:24:14,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:24:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-25 20:24:14,206 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-25 20:24:14,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:14,207 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-25 20:24:14,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:24:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-25 20:24:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 20:24:14,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:14,210 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:14,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 20:24:14,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:14,423 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:24:14,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:14,424 INFO L85 PathProgramCache]: Analyzing trace with hash 427509094, now seen corresponding path program 1 times [2021-11-25 20:24:14,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:14,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314086576] [2021-11-25 20:24:14,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:14,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:14,503 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:24:14,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206130277] [2021-11-25 20:24:14,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:14,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:14,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:24:14,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:24:14,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:24:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:24:16,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:24:16,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:24:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:24:16,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:24:16,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:24:16,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314086576] [2021-11-25 20:24:16,488 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:24:16,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206130277] [2021-11-25 20:24:16,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206130277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:24:16,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:24:16,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:24:16,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200055736] [2021-11-25 20:24:16,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:24:16,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:24:16,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:24:16,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:24:16,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:24:16,491 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:24:17,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:24:17,421 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-25 20:24:17,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:24:17,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 20:24:17,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:24:17,428 INFO L225 Difference]: With dead ends: 227 [2021-11-25 20:24:17,428 INFO L226 Difference]: Without dead ends: 124 [2021-11-25 20:24:17,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:24:17,429 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:24:17,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:24:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-25 20:24:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-25 20:24:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-25 20:24:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-25 20:24:17,445 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-25 20:24:17,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:24:17,446 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-25 20:24:17,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:24:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-25 20:24:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 20:24:17,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:24:17,449 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:24:17,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:24:17,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:17,663 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:24:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:24:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash -64659160, now seen corresponding path program 1 times [2021-11-25 20:24:17,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:24:17,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226788249] [2021-11-25 20:24:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:17,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:24:17,713 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:24:17,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1683948257] [2021-11-25 20:24:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:24:17,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:24:17,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:24:17,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:24:17,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdc0abe-df18-4c28-a967-a91d16efa2fe/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:25:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:25:19,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 20:25:19,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:25:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:25:19,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:25:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:25:19,650 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:25:19,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226788249] [2021-11-25 20:25:19,650 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:25:19,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683948257] [2021-11-25 20:25:19,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683948257] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:25:19,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1235054472] [2021-11-25 20:25:19,673 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 20:25:19,673 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:25:19,679 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:25:19,683 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:25:19,684 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:25:19,844 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 [2021-11-25 20:25:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:25:19,862 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 [2021-11-25 20:25:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,888 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:25:19,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 treesize of output 37 [2021-11-25 20:25:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 20:25:19,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:19,983 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:25:19,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-25 20:25:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2021-11-25 20:25:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2021-11-25 20:25:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,071 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:25:20,071 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 [2021-11-25 20:25:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 20:25:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 20:25:20,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 20:25:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:25:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:25:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 20:25:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:25:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:25:20,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 20:25:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:25:20,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:25:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:25:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:25:20,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:20,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 20:25:21,066 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 [2021-11-25 20:25:21,069 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 13 treesize of output 9 [2021-11-25 20:25:21,074 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 [2021-11-25 20:25:21,122 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:25:21,123 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 57 treesize of output 60 [2021-11-25 20:25:21,150 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:25:21,151 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 51 treesize of output 54 [2021-11-25 20:25:21,178 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:25:21,178 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 47 treesize of output 50 [2021-11-25 20:25:21,215 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 [2021-11-25 20:25:21,221 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 [2021-11-25 20:25:21,227 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 [2021-11-25 20:25:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:25:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 20:25:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:25:21,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 20:25:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:25:21,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:21,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:25:28,278 WARN L227 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:25:28,278 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:25:28,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:25:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:37,413 WARN L227 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:25:37,414 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:25:37,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:25:37,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:38,092 INFO L244 Elim1Store]: Index analysis took 424 ms [2021-11-25 20:25:48,464 WARN L227 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:25:48,465 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:25:48,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:25:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,105 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-25 20:25:49,117 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 20:25:49,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:25:49,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:49,486 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-25 20:25:49,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 20:25:49,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:50,091 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:25:50,091 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 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 20:25:50,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:50,464 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:25:50,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:25:50,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:50,641 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 20:25:50,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:50,947 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:25:50,947 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 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 20:25:51,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:51,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:51,267 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:25:51,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1194 treesize of output 1010 [2021-11-25 20:25:51,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,380 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,570 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:51,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:51,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:51,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:51,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:51,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:51,885 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-25 20:25:52,152 INFO L354 Elim1Store]: treesize reduction 224, result has 51.4 percent of original size [2021-11-25 20:25:52,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1271 treesize of output 1059 [2021-11-25 20:25:52,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:52,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:52,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:52,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:52,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:52,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:52,567 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 20:25:52,814 INFO L354 Elim1Store]: treesize reduction 203, result has 48.3 percent of original size [2021-11-25 20:25:52,814 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 3 case distinctions, treesize of input 1203 treesize of output 1013 [2021-11-25 20:25:52,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:52,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:52,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:53,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:53,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:53,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:53,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,321 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 20:25:53,402 INFO L354 Elim1Store]: treesize reduction 6, result has 66.7 percent of original size [2021-11-25 20:25:53,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 815 treesize of output 377 [2021-11-25 20:25:53,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:53,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 20:25:53,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,747 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 20:25:53,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 20:25:53,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:53,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:53,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:54,123 INFO L354 Elim1Store]: treesize reduction 18, result has 84.6 percent of original size [2021-11-25 20:25:54,123 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 3 case distinctions, treesize of input 815 treesize of output 463 [2021-11-25 20:25:54,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:54,428 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-11-25 20:25:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:55,483 INFO L354 Elim1Store]: treesize reduction 1275, result has 30.8 percent of original size [2021-11-25 20:25:55,484 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 1280 treesize of output 1393 [2021-11-25 20:25:55,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:55,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:55,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:55,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:55,751 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 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 20:25:55,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:55,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:55,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:55,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:55,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:56,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:56,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:56,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:56,154 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 20:25:56,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 20:25:56,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:56,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:56,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:56,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:56,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:56,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:56,787 INFO L354 Elim1Store]: treesize reduction 796, result has 34.6 percent of original size [2021-11-25 20:25:56,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1271 treesize of output 1243 [2021-11-25 20:25:56,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:57,020 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 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 20:25:57,058 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:57,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:57,406 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 20:25:57,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 20:25:57,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:57,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:57,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:57,491 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 806 treesize of output 362 [2021-11-25 20:25:57,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:57,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:58,197 INFO L354 Elim1Store]: treesize reduction 880, result has 34.5 percent of original size [2021-11-25 20:25:58,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1271 treesize of output 1285 [2021-11-25 20:25:58,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:58,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:58,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:58,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:58,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:58,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:58,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:58,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:58,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:58,891 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:25:58,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1250 treesize of output 1038 [2021-11-25 20:25:58,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:58,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:59,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:59,137 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 1173 treesize of output 817 [2021-11-25 20:25:59,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:25:59,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:59,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:59,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:25:59,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:59,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:25:59,619 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-25 20:25:59,943 INFO L354 Elim1Store]: treesize reduction 6, result has 97.7 percent of original size [2021-11-25 20:25:59,943 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 2 case distinctions, treesize of input 1259 treesize of output 1081 [2021-11-25 20:25:59,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:00,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:00,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:00,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 1182 treesize of output 820 [2021-11-25 20:26:00,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:00,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:00,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:00,726 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 1250 treesize of output 820 [2021-11-25 20:26:00,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:00,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:01,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:01,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:01,719 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 1250 treesize of output 820 [2021-11-25 20:26:01,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:01,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,093 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:02,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:02,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:02,301 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-25 20:26:02,716 INFO L354 Elim1Store]: treesize reduction 798, result has 33.4 percent of original size [2021-11-25 20:26:02,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1259 treesize of output 1223 [2021-11-25 20:26:02,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:02,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:02,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:02,858 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 794 treesize of output 362 [2021-11-25 20:26:02,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:02,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:03,279 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 785 treesize of output 359 [2021-11-25 20:26:03,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:26:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:03,527 INFO L354 Elim1Store]: treesize reduction 790, result has 0.1 percent of original size [2021-11-25 20:26:03,527 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 2 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 20:26:03,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,621 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:03,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:04,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:04,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:04,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:04,095 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:04,615 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:26:04,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 20:26:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:04,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:04,760 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 20:26:04,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 20:26:04,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:04,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:04,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:04,911 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-25 20:26:04,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:04,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:26:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:26:07,012 INFO L190 IndexEqualityManager]: detected not equals via solver