./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:01:05,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:01:05,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:01:05,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:01:05,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:01:05,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:01:05,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:01:05,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:01:05,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:01:05,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:01:05,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:01:05,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:01:05,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:01:05,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:01:05,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:01:05,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:01:05,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:01:05,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:01:05,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:01:05,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:01:05,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:01:05,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:01:05,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:01:05,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:01:05,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:01:05,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:01:05,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:01:05,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:01:05,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:01:05,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:01:05,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:01:05,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:01:05,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:01:05,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:01:05,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:01:05,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:01:05,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:01:05,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:01:05,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:01:05,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:01:05,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:01:05,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:01:05,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:01:05,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:01:05,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:01:05,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:01:05,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:01:05,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:01:05,996 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:01:05,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:01:05,997 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:01:05,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:01:05,998 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:01:05,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:01:05,999 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:01:05,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:01:05,999 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:01:06,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:01:06,000 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:01:06,000 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:01:06,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:01:06,006 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:01:06,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:01:06,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:01:06,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:01:06,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:01:06,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:01:06,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:01:06,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:01:06,010 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:01:06,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:01:06,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:01:06,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:01:06,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:01:06,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:01:06,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:01:06,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:01:06,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:01:06,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:01:06,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:01:06,013 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:01:06,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:01:06,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:01:06,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:01:06,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:01:06,014 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_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2021-11-21 01:01:06,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:01:06,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:01:06,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:01:06,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:01:06,373 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:01:06,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2021-11-21 01:01:06,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/data/f9ae41740/f8e640dae7f24b91ba21891d1006b04c/FLAG7d57d5683 [2021-11-21 01:01:07,136 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:01:07,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2021-11-21 01:01:07,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/data/f9ae41740/f8e640dae7f24b91ba21891d1006b04c/FLAG7d57d5683 [2021-11-21 01:01:07,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/data/f9ae41740/f8e640dae7f24b91ba21891d1006b04c [2021-11-21 01:01:07,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:01:07,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:01:07,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:01:07,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:01:07,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:01:07,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:01:07" (1/1) ... [2021-11-21 01:01:07,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153a05db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:07, skipping insertion in model container [2021-11-21 01:01:07,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:01:07" (1/1) ... [2021-11-21 01:01:07,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:01:07,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:01:07,927 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_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2021-11-21 01:01:08,025 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_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2021-11-21 01:01:08,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:01:08,051 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:01:08,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2021-11-21 01:01:08,221 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_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2021-11-21 01:01:08,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:01:08,299 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:01:08,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08 WrapperNode [2021-11-21 01:01:08,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:01:08,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:01:08,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:01:08,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:01:08,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,447 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1047 [2021-11-21 01:01:08,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:01:08,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:01:08,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:01:08,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:01:08,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:01:08,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:01:08,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:01:08,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:01:08,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (1/1) ... [2021-11-21 01:01:08,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:01:08,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:01:08,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:01:08,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:01:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:01:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:01:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:01:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:01:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:01:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:01:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:01:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:01:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:01:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:01:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:01:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:01:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:01:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:01:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:01:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:01:09,003 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:01:09,005 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:01:10,190 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:01:10,574 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:01:10,575 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 01:01:10,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:01:10 BoogieIcfgContainer [2021-11-21 01:01:10,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:01:10,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:01:10,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:01:10,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:01:10,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:01:07" (1/3) ... [2021-11-21 01:01:10,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535b4487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:01:10, skipping insertion in model container [2021-11-21 01:01:10,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:01:08" (2/3) ... [2021-11-21 01:01:10,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535b4487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:01:10, skipping insertion in model container [2021-11-21 01:01:10,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:01:10" (3/3) ... [2021-11-21 01:01:10,589 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-2.i [2021-11-21 01:01:10,595 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:01:10,595 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 01:01:10,656 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:01:10,665 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:01:10,665 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 01:01:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 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) [2021-11-21 01:01:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:01:10,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:01:10,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:01:10,695 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:01:10,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:01:10,702 INFO L85 PathProgramCache]: Analyzing trace with hash 26703551, now seen corresponding path program 1 times [2021-11-21 01:01:10,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:01:10,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262786926] [2021-11-21 01:01:10,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:10,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:01:10,846 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:01:10,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782503358] [2021-11-21 01:01:10,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:10,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:01:10,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:01:10,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:01:10,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:01:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:01:11,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:01:11,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:01:11,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:01:11,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 01:01:11,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 01:01:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:01:11,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:01:11,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:01:11,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262786926] [2021-11-21 01:01:11,317 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:01:11,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782503358] [2021-11-21 01:01:11,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782503358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:01:11,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:01:11,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:01:11,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194447267] [2021-11-21 01:01:11,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:01:11,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:01:11,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:01:11,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:01:11,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:01:11,364 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:01:14,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:01:14,717 INFO L93 Difference]: Finished difference Result 339 states and 578 transitions. [2021-11-21 01:01:14,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:01:14,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 01:01:14,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:01:14,739 INFO L225 Difference]: With dead ends: 339 [2021-11-21 01:01:14,739 INFO L226 Difference]: Without dead ends: 187 [2021-11-21 01:01:14,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:01:14,773 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 78 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:01:14,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 364 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 01:01:14,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-21 01:01:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-21 01:01:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 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) [2021-11-21 01:01:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-21 01:01:14,856 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-21 01:01:14,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:01:14,856 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-21 01:01:14,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:01:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-21 01:01:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:01:14,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:01:14,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:01:14,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:01:15,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:01:15,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:01:15,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:01:15,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1477708027, now seen corresponding path program 1 times [2021-11-21 01:01:15,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:01:15,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777912292] [2021-11-21 01:01:15,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:15,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:01:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:01:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:01:15,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:01:15,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777912292] [2021-11-21 01:01:15,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777912292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:01:15,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:01:15,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:01:15,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126696127] [2021-11-21 01:01:15,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:01:15,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:01:15,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:01:15,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:01:15,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:01:15,207 INFO L87 Difference]: Start difference. First operand 121 states and 147 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) [2021-11-21 01:01:17,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:01:17,581 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-21 01:01:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:01:17,593 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 [2021-11-21 01:01:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:01:17,596 INFO L225 Difference]: With dead ends: 230 [2021-11-21 01:01:17,596 INFO L226 Difference]: Without dead ends: 174 [2021-11-21 01:01:17,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:01:17,599 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:01:17,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:01:17,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-21 01:01:17,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-21 01:01:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 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) [2021-11-21 01:01:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-21 01:01:17,619 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-21 01:01:17,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:01:17,620 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-21 01:01:17,620 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) [2021-11-21 01:01:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-21 01:01:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:01:17,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:01:17,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:01:17,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:01:17,623 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:01:17,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:01:17,624 INFO L85 PathProgramCache]: Analyzing trace with hash -420511850, now seen corresponding path program 1 times [2021-11-21 01:01:17,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:01:17,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984084368] [2021-11-21 01:01:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:17,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:01:17,651 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:01:17,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493369252] [2021-11-21 01:01:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:17,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:01:17,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:01:17,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:01:17,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:01:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:01:17,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:01:17,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:01:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:01:18,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:01:18,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:01:18,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984084368] [2021-11-21 01:01:18,085 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:01:18,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493369252] [2021-11-21 01:01:18,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493369252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:01:18,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:01:18,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:01:18,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785823] [2021-11-21 01:01:18,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:01:18,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:01:18,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:01:18,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:01:18,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:01:18,092 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:01:19,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:01:19,441 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-21 01:01:19,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:01:19,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-21 01:01:19,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:01:19,453 INFO L225 Difference]: With dead ends: 288 [2021-11-21 01:01:19,453 INFO L226 Difference]: Without dead ends: 172 [2021-11-21 01:01:19,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:01:19,456 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:01:19,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:01:19,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-21 01:01:19,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-21 01:01:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 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) [2021-11-21 01:01:19,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-21 01:01:19,493 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-21 01:01:19,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:01:19,494 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-21 01:01:19,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:01:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-21 01:01:19,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:01:19,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:01:19,497 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:01:19,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:01:19,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:01:19,722 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:01:19,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:01:19,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2075442148, now seen corresponding path program 1 times [2021-11-21 01:01:19,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:01:19,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029550286] [2021-11-21 01:01:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:19,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:01:19,751 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:01:19,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023169465] [2021-11-21 01:01:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:19,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:01:19,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:01:19,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:01:19,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:01:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:01:20,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:01:20,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:01:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:01:20,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:01:20,567 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:01:20,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029550286] [2021-11-21 01:01:20,567 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:01:20,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023169465] [2021-11-21 01:01:20,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023169465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:01:20,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:01:20,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:01:20,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706719540] [2021-11-21 01:01:20,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:01:20,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:01:20,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:01:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:01:20,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:01:20,570 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-21 01:01:21,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:01:21,856 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-21 01:01:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:01:21,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 41 [2021-11-21 01:01:21,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:01:21,864 INFO L225 Difference]: With dead ends: 320 [2021-11-21 01:01:21,864 INFO L226 Difference]: Without dead ends: 170 [2021-11-21 01:01:21,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:01:21,867 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:01:21,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:01:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-21 01:01:21,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-21 01:01:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-21 01:01:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-21 01:01:21,890 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-21 01:01:21,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:01:21,891 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-21 01:01:21,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-21 01:01:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-21 01:01:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:01:21,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:01:21,894 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] [2021-11-21 01:01:21,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:01:22,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:01:22,118 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:01:22,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:01:22,119 INFO L85 PathProgramCache]: Analyzing trace with hash 185503546, now seen corresponding path program 1 times [2021-11-21 01:01:22,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:01:22,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132198565] [2021-11-21 01:01:22,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:22,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:01:22,141 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:01:22,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317053102] [2021-11-21 01:01:22,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:01:22,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:01:22,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:01:22,143 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:01:22,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6651bdcf-7895-4094-aa6e-d6e33bfeeb90/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:01:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:01:22,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:01:22,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:01:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:01:22,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:01:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:01:23,078 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:01:23,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132198565] [2021-11-21 01:01:23,078 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:01:23,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317053102] [2021-11-21 01:01:23,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317053102] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:01:23,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1705052167] [2021-11-21 01:01:23,104 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:01:23,104 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:01:23,110 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:01:23,117 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:01:23,118 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:01:23,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:01:23,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:01:23,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,245 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:01:23,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 01:01:23,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:01:23,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,315 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:01:23,316 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 [2021-11-21 01:01:23,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:01:23,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:01:23,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,555 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:01:23,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:01:23,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-21 01:01:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:23,678 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:01:23,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 01:01:23,949 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 19 treesize of output 1 [2021-11-21 01:01:24,007 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 19 treesize of output 1 [2021-11-21 01:01:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:24,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:24,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:24,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 01:01:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:01:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 01:01:25,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 01:01:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:01:25,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:25,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:01:26,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:01:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 01:01:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:01:26,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,430 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:01:26,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:01:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:01:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,658 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:01:26,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 01:01:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:26,771 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:01:26,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 01:01:27,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:01:27,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:01:27,492 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 [2021-11-21 01:01:27,564 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:01:27,564 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 85 treesize of output 88 [2021-11-21 01:01:27,595 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:01:27,595 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 88 treesize of output 91 [2021-11-21 01:01:27,630 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:01:27,631 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 91 treesize of output 94 [2021-11-21 01:01:27,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:01:27,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:01:27,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:01:27,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 01:01:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:27,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:01:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:01:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:01:28,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 01:01:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:28,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:01:34,262 WARN L227 SmtUtils]: Spent 5.48s 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) [2021-11-21 01:01:34,263 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:01:34,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:01:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:01:46,983 WARN L227 SmtUtils]: Spent 12.67s 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) [2021-11-21 01:01:46,984 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:01:46,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:02:00,098 WARN L227 SmtUtils]: Spent 12.96s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:02:00,099 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:02:00,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 01:02:00,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:00,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:00,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:02,199 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 01:02:02,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 01:02:02,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:02,999 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:02:03,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 01:02:05,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:02:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:05,473 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:02:05,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 01:02:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:06,116 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:02:06,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 01:02:07,023 INFO L244 Elim1Store]: Index analysis took 329 ms [2021-11-21 01:02:07,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:10,061 INFO L354 Elim1Store]: treesize reduction 366, result has 80.1 percent of original size [2021-11-21 01:02:10,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2305 treesize of output 3327 [2021-11-21 01:02:17,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:02:17,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:17,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:02:17,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:17,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:02:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:17,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:02:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:17,459 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-21 01:02:17,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1879 treesize of output 1425 [2021-11-21 01:02:18,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:18,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:02:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:20,066 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-21 01:02:20,066 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 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-21 01:02:24,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:24,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:24,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:24,720 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 01:02:24,721 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 1708 treesize of output 1722 [2021-11-21 01:02:35,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:02:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver