./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V --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 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:06:52,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:06:52,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:06:52,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:06:52,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:06:52,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:06:52,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:06:52,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:06:52,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:06:52,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:06:52,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:06:52,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:06:52,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:06:52,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:06:52,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:06:52,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:06:52,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:06:52,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:06:52,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:06:52,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:06:52,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:06:52,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:06:52,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:06:52,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:06:52,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:06:52,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:06:52,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:06:52,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:06:52,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:06:52,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:06:52,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:06:52,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:06:52,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:06:52,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:06:52,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:06:52,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:06:52,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:06:52,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:06:52,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:06:52,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:06:52,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:06:52,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 03:06:52,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:06:52,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:06:52,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:06:52,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:06:52,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:06:52,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:06:52,982 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:06:52,982 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:06:52,983 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:06:52,983 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:06:52,984 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:06:52,985 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:06:52,985 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:06:52,986 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:06:52,986 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:06:52,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:06:52,987 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:06:52,987 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:06:52,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:06:52,989 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:06:52,989 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:06:52,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:06:52,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:06:52,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:06:52,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:06:52,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:06:52,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:06:52,994 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 03:06:52,994 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:06:52,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:06:52,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:06:52,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:06:52,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:06:52,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:06:52,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:06:52,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:06:52,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:06:52,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:06:52,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:06:52,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:06:52,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:06:52,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:06:52,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:06:53,000 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_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2021-11-23 03:06:53,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:06:53,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:06:53,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:06:53,447 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:06:53,447 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:06:53,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2021-11-23 03:06:53,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/data/5a79aab96/74efaef16d02405399b2b9fc4a0be2a3/FLAGa202b3cf2 [2021-11-23 03:06:54,377 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:06:54,378 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2021-11-23 03:06:54,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/data/5a79aab96/74efaef16d02405399b2b9fc4a0be2a3/FLAGa202b3cf2 [2021-11-23 03:06:54,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/data/5a79aab96/74efaef16d02405399b2b9fc4a0be2a3 [2021-11-23 03:06:54,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:06:54,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:06:54,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:06:54,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:06:54,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:06:54,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:54" (1/1) ... [2021-11-23 03:06:54,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2462d8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54, skipping insertion in model container [2021-11-23 03:06:54,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:54" (1/1) ... [2021-11-23 03:06:54,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:06:54,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:06:55,019 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_60ed70a9-17b5-4873-8abc-d41e09ef4b84/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2021-11-23 03:06:55,141 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_60ed70a9-17b5-4873-8abc-d41e09ef4b84/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2021-11-23 03:06:55,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:06:55,192 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:06:55,226 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_60ed70a9-17b5-4873-8abc-d41e09ef4b84/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[33021,33034] [2021-11-23 03:06:55,302 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_60ed70a9-17b5-4873-8abc-d41e09ef4b84/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i[45234,45247] [2021-11-23 03:06:55,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:06:55,365 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:06:55,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55 WrapperNode [2021-11-23 03:06:55,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:06:55,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:06:55,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:06:55,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:06:55,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,526 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-23 03:06:55,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:06:55,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:06:55,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:06:55,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:06:55,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:06:55,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:06:55,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:06:55,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:06:55,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (1/1) ... [2021-11-23 03:06:55,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:06:55,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:06:55,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:06:55,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:06:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:06:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:06:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:06:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:06:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:06:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:06:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-23 03:06:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-23 03:06:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:06:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:06:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:06:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:06:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:06:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:06:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:06:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:06:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:06:55,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:06:56,227 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:06:56,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:06:57,503 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:06:58,032 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:06:58,033 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-23 03:06:58,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:58 BoogieIcfgContainer [2021-11-23 03:06:58,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:06:58,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:06:58,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:06:58,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:06:58,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:06:54" (1/3) ... [2021-11-23 03:06:58,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd39256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:58, skipping insertion in model container [2021-11-23 03:06:58,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:55" (2/3) ... [2021-11-23 03:06:58,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd39256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:58, skipping insertion in model container [2021-11-23 03:06:58,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:58" (3/3) ... [2021-11-23 03:06:58,047 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test8-2.i [2021-11-23 03:06:58,053 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:06:58,054 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 03:06:58,115 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:06:58,124 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 [2021-11-23 03:06:58,124 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 03:06:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 03:06:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 03:06:58,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:06:58,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 03:06:58,157 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:06:58,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:06:58,163 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-23 03:06:58,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:06:58,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573114298] [2021-11-23 03:06:58,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:06:58,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:06:58,314 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:06:58,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1521163398] [2021-11-23 03:06:58,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:06:58,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:06:58,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:06:58,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:06:58,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:06:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:06:58,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:06:58,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:06:58,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 03:06:58,703 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 20 treesize of output 12 [2021-11-23 03:06:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:06:58,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:06:58,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:06:58,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573114298] [2021-11-23 03:06:58,717 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:06:58,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521163398] [2021-11-23 03:06:58,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521163398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:06:58,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:06:58,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:06:58,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761850212] [2021-11-23 03:06:58,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:06:58,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:06:58,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:06:58,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:06:58,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:06:58,763 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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) [2021-11-23 03:07:00,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:07:00,902 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-23 03:07:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:07:00,906 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 [2021-11-23 03:07:00,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:07:00,917 INFO L225 Difference]: With dead ends: 410 [2021-11-23 03:07:00,917 INFO L226 Difference]: Without dead ends: 217 [2021-11-23 03:07:00,929 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 [2021-11-23 03:07:00,934 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:07:00,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 03:07:00,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-23 03:07:01,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-23 03:07:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 03:07:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-23 03:07:01,046 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-23 03:07:01,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:07:01,047 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-23 03:07:01,047 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) [2021-11-23 03:07:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-23 03:07:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 03:07:01,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:07:01,050 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] [2021-11-23 03:07:01,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:07:01,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:01,267 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:07:01,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:07:01,268 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-23 03:07:01,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:07:01,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951293661] [2021-11-23 03:07:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:01,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:07:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:07:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:07:01,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:07:01,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951293661] [2021-11-23 03:07:01,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951293661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:07:01,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:07:01,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:07:01,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777181173] [2021-11-23 03:07:01,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:07:01,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:07:01,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:07:01,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:07:01,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:07:01,424 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:07:04,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:07:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:07:05,094 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-23 03:07:05,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:07:05,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-23 03:07:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:07:05,098 INFO L225 Difference]: With dead ends: 297 [2021-11-23 03:07:05,098 INFO L226 Difference]: Without dead ends: 204 [2021-11-23 03:07:05,099 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 [2021-11-23 03:07:05,101 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:07:05,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 03:07:05,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-23 03:07:05,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-23 03:07:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 03:07:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-23 03:07:05,144 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-23 03:07:05,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:07:05,144 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-23 03:07:05,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:07:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-23 03:07:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:07:05,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:07:05,147 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, 1, 1] [2021-11-23 03:07:05,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:07:05,151 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:07:05,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:07:05,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-23 03:07:05,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:07:05,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231031663] [2021-11-23 03:07:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:05,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:07:05,229 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:07:05,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302385444] [2021-11-23 03:07:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:05,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:05,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:07:05,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:07:05,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:07:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:07:05,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:07:05,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:07:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:07:05,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:07:05,616 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:07:05,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231031663] [2021-11-23 03:07:05,616 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:07:05,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302385444] [2021-11-23 03:07:05,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302385444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:07:05,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:07:05,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:07:05,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250219364] [2021-11-23 03:07:05,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:07:05,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:07:05,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:07:05,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:07:05,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:07:05,621 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:07:07,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:07:09,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:07:11,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:07:12,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:07:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:07:12,488 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-23 03:07:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:07:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-23 03:07:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:07:12,506 INFO L225 Difference]: With dead ends: 247 [2021-11-23 03:07:12,506 INFO L226 Difference]: Without dead ends: 246 [2021-11-23 03:07:12,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:07:12,508 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:07:12,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-11-23 03:07:12,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-23 03:07:12,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-23 03:07:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-23 03:07:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-23 03:07:12,550 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-23 03:07:12,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:07:12,551 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-23 03:07:12,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:07:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-23 03:07:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 03:07:12,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:07:12,552 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, 1, 1, 1] [2021-11-23 03:07:12,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:07:12,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:12,753 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:07:12,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:07:12,753 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-23 03:07:12,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:07:12,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978931962] [2021-11-23 03:07:12,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:12,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:07:12,772 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:07:12,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716664064] [2021-11-23 03:07:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:12,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:12,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:07:12,774 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:07:12,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:07:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:07:12,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:07:12,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:07:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:07:13,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:07:13,067 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:07:13,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978931962] [2021-11-23 03:07:13,069 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:07:13,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716664064] [2021-11-23 03:07:13,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716664064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:07:13,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:07:13,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:07:13,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869227018] [2021-11-23 03:07:13,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:07:13,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:07:13,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:07:13,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:07:13,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:07:13,076 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:07:14,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:07:14,418 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-23 03:07:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:07:14,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-23 03:07:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:07:14,431 INFO L225 Difference]: With dead ends: 213 [2021-11-23 03:07:14,431 INFO L226 Difference]: Without dead ends: 212 [2021-11-23 03:07:14,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:07:14,433 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:07:14,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 03:07:14,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-23 03:07:14,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-23 03:07:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-23 03:07:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-23 03:07:14,459 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-23 03:07:14,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:07:14,460 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-23 03:07:14,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:07:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-23 03:07:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 03:07:14,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:07:14,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:07:14,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 03:07:14,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:14,671 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:07:14,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:07:14,672 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-23 03:07:14,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:07:14,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673199742] [2021-11-23 03:07:14,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:14,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:07:14,695 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:07:14,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755093839] [2021-11-23 03:07:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:14,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:14,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:07:14,698 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:07:14,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:07:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:07:14,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:07:14,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:07:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:07:15,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:07:15,051 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:07:15,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673199742] [2021-11-23 03:07:15,051 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:07:15,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755093839] [2021-11-23 03:07:15,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755093839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:07:15,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:07:15,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:07:15,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672131573] [2021-11-23 03:07:15,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:07:15,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:07:15,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:07:15,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:07:15,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:07:15,055 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:07:15,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:07:15,871 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-23 03:07:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:07:15,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2021-11-23 03:07:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:07:15,874 INFO L225 Difference]: With dead ends: 432 [2021-11-23 03:07:15,874 INFO L226 Difference]: Without dead ends: 247 [2021-11-23 03:07:15,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:07:15,877 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:07:15,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 03:07:15,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-23 03:07:15,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-23 03:07:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:07:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-23 03:07:15,912 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-23 03:07:15,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:07:15,912 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-23 03:07:15,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:07:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-23 03:07:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:07:15,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:07:15,917 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:07:15,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:07:16,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:16,135 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:07:16,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:07:16,135 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-23 03:07:16,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:07:16,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694849598] [2021-11-23 03:07:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:16,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:07:16,165 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:07:16,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [150286951] [2021-11-23 03:07:16,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:16,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:16,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:07:16,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:07:16,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:07:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:07:16,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:07:16,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:07:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:07:16,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:07:16,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:07:16,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694849598] [2021-11-23 03:07:16,676 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:07:16,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150286951] [2021-11-23 03:07:16,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150286951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:07:16,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:07:16,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:07:16,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357887381] [2021-11-23 03:07:16,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:07:16,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:07:16,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:07:16,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:07:16,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:07:16,679 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:07:18,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:07:18,212 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-23 03:07:18,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:07:18,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-11-23 03:07:18,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:07:18,222 INFO L225 Difference]: With dead ends: 471 [2021-11-23 03:07:18,222 INFO L226 Difference]: Without dead ends: 248 [2021-11-23 03:07:18,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:07:18,224 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:07:18,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 03:07:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-23 03:07:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-23 03:07:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-23 03:07:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-23 03:07:18,252 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-23 03:07:18,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:07:18,258 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-23 03:07:18,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:07:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-23 03:07:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 03:07:18,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:07:18,265 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:07:18,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:07:18,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 03:07:18,490 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:07:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:07:18,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-23 03:07:18,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:07:18,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417390514] [2021-11-23 03:07:18,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:18,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:07:18,515 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:07:18,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059013135] [2021-11-23 03:07:18,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:18,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:07:18,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:07:18,523 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:07:18,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ed70a9-17b5-4873-8abc-d41e09ef4b84/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:07:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:07:19,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 03:07:19,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:07:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:07:19,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:07:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:07:19,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:07:19,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417390514] [2021-11-23 03:07:19,653 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:07:19,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059013135] [2021-11-23 03:07:19,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059013135] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:07:19,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1418219447] [2021-11-23 03:07:19,679 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-23 03:07:19,679 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:07:19,684 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:07:19,689 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:07:19,690 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:07:19,800 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 [2021-11-23 03:07:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:19,829 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 03:07:19,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 03:07:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:19,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:07:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:19,885 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:07:19,886 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 [2021-11-23 03:07:19,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:07:19,963 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 [2021-11-23 03:07:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,012 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:07:20,013 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-23 03:07:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,054 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:07:20,055 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 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 03:07:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,121 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:07:20,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 03:07:20,147 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 15 treesize of output 1 [2021-11-23 03:07:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 03:07:20,277 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 19 treesize of output 1 [2021-11-23 03:07:20,291 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 19 treesize of output 1 [2021-11-23 03:07:20,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:07:20,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-23 03:07:20,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-23 03:07:20,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:07:20,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:07:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:07:20,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:20,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 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 [2021-11-23 03:07:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:07:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 03:07:21,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,206 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 03:07:21,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 163 [2021-11-23 03:07:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,276 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:07:21,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 145 treesize of output 156 [2021-11-23 03:07:21,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:07:21,439 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 [2021-11-23 03:07:21,443 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 [2021-11-23 03:07:21,450 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 [2021-11-23 03:07:21,497 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:07:21,497 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 98 treesize of output 97 [2021-11-23 03:07:21,527 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 03:07:21,527 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 94 treesize of output 93 [2021-11-23 03:07:21,547 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:07:21,547 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 90 treesize of output 89 [2021-11-23 03:07:21,567 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 [2021-11-23 03:07:21,573 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 [2021-11-23 03:07:21,579 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 [2021-11-23 03:07:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:07:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 03:07:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:07:21,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:07:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 03:07:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:21,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:07:28,507 WARN L227 SmtUtils]: Spent 6.36s 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) [2021-11-23 03:07:28,508 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:07:28,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2863 treesize of output 2340 [2021-11-23 03:07:28,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:38,731 WARN L227 SmtUtils]: Spent 10.17s 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) [2021-11-23 03:07:38,733 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:07:38,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2964 treesize of output 2682 [2021-11-23 03:07:50,854 WARN L227 SmtUtils]: Spent 11.93s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:07:50,856 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:07:50,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2932 treesize of output 2702 [2021-11-23 03:07:51,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:52,657 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 03:07:52,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25970 treesize of output 26001 [2021-11-23 03:07:52,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:53,438 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:07:53,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25980 treesize of output 25994 [2021-11-23 03:07:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:54,251 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:07:54,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:07:54,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:07:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:54,744 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:07:54,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 03:07:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:54,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:07:54,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:07:55,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:55,131 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 03:07:55,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:07:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:55,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:07:55,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-23 03:07:55,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:07:55,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:07:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:55,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 03:07:55,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:56,349 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-23 03:07:56,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-23 03:07:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:56,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:07:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:56,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2021-11-23 03:07:56,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:56,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:07:56,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-23 03:07:56,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:07:57,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:07:57,985 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-23 03:07:59,165 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:07:59,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 5426 [2021-11-23 03:08:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:10,103 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-23 03:08:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:10,318 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-23 03:08:10,319 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 4045 treesize of output 3583 [2021-11-23 03:08:10,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:10,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:10,985 INFO L244 Elim1Store]: Index analysis took 323 ms [2021-11-23 03:08:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:12,048 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:08:12,048 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 2677 treesize of output 4053 [2021-11-23 03:08:14,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:15,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:15,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:15,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:15,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:15,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:15,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:08:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:16,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:16,413 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-23 03:08:16,642 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 03:08:16,643 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 5 new quantified variables, introduced 8 case distinctions, treesize of input 4050 treesize of output 3588 [2021-11-23 03:08:23,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:23,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:23,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:23,311 INFO L244 Elim1Store]: Index analysis took 192 ms [2021-11-23 03:08:27,989 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 03:08:27,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 275631 treesize of output 276133 [2021-11-23 03:13:56,514 WARN L227 SmtUtils]: Spent 32.80s on a formula simplification. DAG size of input: 1435 DAG size of output: 1378 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:18:50,384 WARN L227 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 1376 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:19:01,972 WARN L227 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 1374 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)