./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7 --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 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:35:28,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:35:28,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:35:28,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:35:28,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:35:28,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:35:28,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:35:28,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:35:28,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:35:28,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:35:28,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:35:28,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:35:28,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:35:28,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:35:28,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:35:28,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:35:28,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:35:28,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:35:28,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:35:28,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:35:28,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:35:28,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:35:28,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:35:28,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:35:28,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:35:28,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:35:28,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:35:28,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:35:28,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:35:28,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:35:28,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:35:28,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:35:28,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:35:28,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:35:28,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:35:28,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:35:28,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:35:28,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:35:28,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:35:28,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:35:28,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:35:28,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:35:28,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:35:28,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:35:28,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:35:28,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:35:28,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:35:28,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:35:28,803 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:35:28,803 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:35:28,804 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:35:28,804 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:35:28,805 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:35:28,805 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:35:28,805 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:35:28,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:35:28,806 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:35:28,806 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:35:28,806 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:35:28,806 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:35:28,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:35:28,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:35:28,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:35:28,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:35:28,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:35:28,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:35:28,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:35:28,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:35:28,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:35:28,811 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:35:28,811 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:35:28,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:35:28,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:35:28,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:35:28,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:35:28,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:35:28,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:35:28,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:35:28,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:35:28,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:35:28,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:35:28,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:35:28,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:35:28,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:35:28,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:35:28,814 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_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2021-11-25 20:35:29,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:35:29,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:35:29,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:35:29,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:35:29,115 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:35:29,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-25 20:35:29,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/data/cf5ba21c9/92cdec874f8c464d9bd7cc995d0475db/FLAG861afbf77 [2021-11-25 20:35:29,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:35:29,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-25 20:35:29,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/data/cf5ba21c9/92cdec874f8c464d9bd7cc995d0475db/FLAG861afbf77 [2021-11-25 20:35:30,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/data/cf5ba21c9/92cdec874f8c464d9bd7cc995d0475db [2021-11-25 20:35:30,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:35:30,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:35:30,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:35:30,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:35:30,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:35:30,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:30,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59daa5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30, skipping insertion in model container [2021-11-25 20:35:30,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:30,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:35:30,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:35:30,649 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_d917860a-bbf2-4589-8481-478101db9841/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-25 20:35:30,761 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_d917860a-bbf2-4589-8481-478101db9841/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-25 20:35:30,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:35:30,783 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:35:30,843 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_d917860a-bbf2-4589-8481-478101db9841/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-25 20:35:30,905 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_d917860a-bbf2-4589-8481-478101db9841/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-25 20:35:30,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:35:30,957 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:35:30,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30 WrapperNode [2021-11-25 20:35:30,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:35:30,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:35:30,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:35:30,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:35:30,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:30,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,052 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-25 20:35:31,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:35:31,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:35:31,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:35:31,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:35:31,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:35:31,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:35:31,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:35:31,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:35:31,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (1/1) ... [2021-11-25 20:35:31,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:35:31,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:31,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:35:31,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:35:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:35:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:35:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:35:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:35:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:35:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:35:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:35:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:35:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:35:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:35:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:35:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:35:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:35:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:35:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:35:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:35:31,557 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:35:31,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:35:32,514 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:35:32,898 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:35:32,898 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-25 20:35:32,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:35:32 BoogieIcfgContainer [2021-11-25 20:35:32,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:35:32,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:35:32,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:35:32,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:35:32,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:35:30" (1/3) ... [2021-11-25 20:35:32,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf14f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:35:32, skipping insertion in model container [2021-11-25 20:35:32,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:30" (2/3) ... [2021-11-25 20:35:32,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf14f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:35:32, skipping insertion in model container [2021-11-25 20:35:32,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:35:32" (3/3) ... [2021-11-25 20:35:32,917 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2021-11-25 20:35:32,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:35:32,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 20:35:32,981 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:35:32,998 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:35:32,998 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 20:35:33,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:35:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 20:35:33,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:33,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 20:35:33,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:35:33,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:33,038 INFO L85 PathProgramCache]: Analyzing trace with hash 22945886, now seen corresponding path program 1 times [2021-11-25 20:35:33,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:33,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346494630] [2021-11-25 20:35:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:33,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:33,222 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:33,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5331726] [2021-11-25 20:35:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:33,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:33,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:33,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:33,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:35:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:33,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:35:33,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:33,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:35:33,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:33,588 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 22 treesize of output 10 [2021-11-25 20:35:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:35:33,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:35:33,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:33,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346494630] [2021-11-25 20:35:33,601 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:33,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5331726] [2021-11-25 20:35:33,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5331726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:33,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:33,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:35:33,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184958250] [2021-11-25 20:35:33,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:33,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:35:33,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:33,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:35:33,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:35:33,639 INFO L87 Difference]: Start difference. First operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:35:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:35,085 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2021-11-25 20:35:35,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:35:35,091 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 [2021-11-25 20:35:35,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:35,101 INFO L225 Difference]: With dead ends: 308 [2021-11-25 20:35:35,101 INFO L226 Difference]: Without dead ends: 187 [2021-11-25 20:35:35,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:35:35,108 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:35,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 337 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 20:35:35,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-25 20:35:35,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-25 20:35:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:35:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-25 20:35:35,161 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-25 20:35:35,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:35,161 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-25 20:35:35,161 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) [2021-11-25 20:35:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-25 20:35:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 20:35:35,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:35,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:35:35,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:35:35,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:35,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:35:35,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:35,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1811846183, now seen corresponding path program 1 times [2021-11-25 20:35:35,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:35,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557573266] [2021-11-25 20:35:35,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:35,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:35:35,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:35,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557573266] [2021-11-25 20:35:35,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557573266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:35,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:35,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:35:35,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882412495] [2021-11-25 20:35:35,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:35,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:35:35,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:35,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:35:35,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:35:35,528 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:35:36,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:36,638 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-25 20:35:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:35:36,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 20:35:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:36,645 INFO L225 Difference]: With dead ends: 230 [2021-11-25 20:35:36,645 INFO L226 Difference]: Without dead ends: 174 [2021-11-25 20:35:36,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:35:36,648 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:36,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 20:35:36,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-25 20:35:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-25 20:35:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:35:36,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-25 20:35:36,664 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-25 20:35:36,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:36,665 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-25 20:35:36,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:35:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-25 20:35:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 20:35:36,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:36,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:35:36,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:35:36,667 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:35:36,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1081850416, now seen corresponding path program 1 times [2021-11-25 20:35:36,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:36,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248531062] [2021-11-25 20:35:36,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:36,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:36,797 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:36,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059856458] [2021-11-25 20:35:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:36,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:36,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:36,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:36,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:35:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:37,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:35:37,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:35:37,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:35:37,585 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:37,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248531062] [2021-11-25 20:35:37,585 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:37,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059856458] [2021-11-25 20:35:37,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059856458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:37,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:37,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:35:37,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891299882] [2021-11-25 20:35:37,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:37,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:35:37,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:37,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:35:37,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:35:37,588 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:35:38,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:38,075 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-25 20:35:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:35:38,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-25 20:35:38,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:38,081 INFO L225 Difference]: With dead ends: 288 [2021-11-25 20:35:38,081 INFO L226 Difference]: Without dead ends: 172 [2021-11-25 20:35:38,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:35:38,084 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:38,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 20:35:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-25 20:35:38,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-25 20:35:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 20:35:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-25 20:35:38,104 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-25 20:35:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:38,104 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-25 20:35:38,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:35:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-25 20:35:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 20:35:38,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:38,106 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:35:38,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:35:38,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:38,329 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:35:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:38,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1435534316, now seen corresponding path program 1 times [2021-11-25 20:35:38,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:38,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295317573] [2021-11-25 20:35:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:38,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:38,382 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:38,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531924360] [2021-11-25 20:35:38,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:38,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:38,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:38,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:38,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:35:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:38,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:35:38,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:35:38,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:35:38,984 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:38,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295317573] [2021-11-25 20:35:38,985 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:38,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531924360] [2021-11-25 20:35:38,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531924360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:38,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:38,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:35:38,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126449477] [2021-11-25 20:35:38,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:38,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:35:38,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:38,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:35:38,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:35:38,991 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:35:39,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:39,902 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-25 20:35:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:35:39,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-25 20:35:39,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:39,908 INFO L225 Difference]: With dead ends: 320 [2021-11-25 20:35:39,908 INFO L226 Difference]: Without dead ends: 170 [2021-11-25 20:35:39,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:35:39,910 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:39,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:35:39,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-25 20:35:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-25 20:35:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-25 20:35:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-25 20:35:39,927 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-25 20:35:39,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:39,928 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-25 20:35:39,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:35:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-25 20:35:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 20:35:39,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:39,930 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:35:39,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:35:40,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:40,143 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:35:40,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:40,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2090279668, now seen corresponding path program 1 times [2021-11-25 20:35:40,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:40,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72630147] [2021-11-25 20:35:40,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:40,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:40,190 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:40,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540792733] [2021-11-25 20:35:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:40,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:40,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:40,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:40,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d917860a-bbf2-4589-8481-478101db9841/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:35:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:42,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:35:42,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:35:42,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:35:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:35:42,691 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:42,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72630147] [2021-11-25 20:35:42,692 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:42,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540792733] [2021-11-25 20:35:42,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540792733] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:35:42,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2029961879] [2021-11-25 20:35:42,711 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-25 20:35:42,712 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:35:42,716 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:35:42,721 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:35:42,721 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:35:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:42,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:35:42,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:35:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:42,823 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:35:42,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:35:42,832 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 [2021-11-25 20:35:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:42,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 20:35:42,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:35:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:42,931 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:35:42,931 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 [2021-11-25 20:35:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:42,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:42,982 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:35:42,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:35:43,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-25 20:35:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 20:35:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,102 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 [2021-11-25 20:35:43,115 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 [2021-11-25 20:35:43,126 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 [2021-11-25 20:35:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:35:43,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:35:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,515 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 62 treesize of output 62 [2021-11-25 20:35:43,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 20:35:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:35:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:35:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:35:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:35:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:35:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,795 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:35:43,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 20:35:43,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:35:43,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:35:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:43,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:35:43,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 20:35:43,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:35:43,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 20:35:44,040 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:35:44,041 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 55 treesize of output 58 [2021-11-25 20:35:44,070 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:35:44,070 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 53 treesize of output 56 [2021-11-25 20:35:44,099 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:35:44,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 20:35:44,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:35:44,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:35:44,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:35:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:35:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,254 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 [2021-11-25 20:35:44,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,280 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 [2021-11-25 20:35:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:35:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,446 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 [2021-11-25 20:35:44,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:44,466 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 [2021-11-25 20:35:50,686 WARN L227 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:35:50,687 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:35:50,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:35:50,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:59,077 WARN L227 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:35:59,077 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:35:59,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:35:59,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:59,688 INFO L244 Elim1Store]: Index analysis took 370 ms [2021-11-25 20:36:10,536 WARN L227 SmtUtils]: Spent 10.45s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:36:10,537 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:36:10,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:36:11,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,211 INFO L244 Elim1Store]: Index analysis took 232 ms [2021-11-25 20:36:12,450 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:36:12,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 20:36:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:12,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:12,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:12,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:36:13,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,324 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:36:13,325 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 46 treesize of output 30 [2021-11-25 20:36:13,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,676 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:36:13,677 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 53 treesize of output 63 [2021-11-25 20:36:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 20:36:13,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,971 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 20:36:13,972 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 36 treesize of output 20 [2021-11-25 20:36:14,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:14,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:14,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:14,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:14,195 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 57 treesize of output 41 [2021-11-25 20:36:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:14,487 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 20:36:14,487 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 32 treesize of output 26 [2021-11-25 20:36:14,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:14,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 20:36:14,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:14,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:14,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 20:36:14,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:16,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:16,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,134 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-25 20:36:16,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2697 treesize of output 2241 [2021-11-25 20:36:16,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 20:36:16,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:16,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:16,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,668 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-25 20:36:16,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 20:36:16,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,975 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-11-25 20:36:16,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2692 treesize of output 2242 [2021-11-25 20:36:17,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:17,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:17,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:17,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:17,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:17,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:17,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,110 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-25 20:36:18,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2697 treesize of output 2241 [2021-11-25 20:36:18,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 20:36:18,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 20:36:18,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:18,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2692 treesize of output 2242 [2021-11-25 20:36:18,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:18,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:19,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,512 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:36:19,513 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 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 20:36:19,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:19,850 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:36:19,850 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 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 20:36:20,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:20,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,116 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 20:36:20,117 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 1 case distinctions, treesize of input 2624 treesize of output 1 [2021-11-25 20:36:20,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:20,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,334 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 20:36:20,335 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 1 case distinctions, treesize of input 2629 treesize of output 1 [2021-11-25 20:36:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:20,728 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-25 20:36:22,037 INFO L354 Elim1Store]: treesize reduction 553, result has 70.1 percent of original size [2021-11-25 20:36:22,037 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 2701 treesize of output 3540 [2021-11-25 20:36:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:22,657 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-11-25 20:36:24,284 INFO L354 Elim1Store]: treesize reduction 551, result has 70.6 percent of original size [2021-11-25 20:36:24,284 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 2813 treesize of output 3666 [2021-11-25 20:36:24,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:24,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:25,091 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-25 20:36:25,310 INFO L354 Elim1Store]: treesize reduction 1840, result has 0.1 percent of original size [2021-11-25 20:36:25,311 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 2713 treesize of output 1 [2021-11-25 20:36:25,678 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-25 20:36:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:25,971 INFO L354 Elim1Store]: treesize reduction 1850, result has 0.1 percent of original size [2021-11-25 20:36:25,971 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 10 case distinctions, treesize of input 2706 treesize of output 1 [2021-11-25 20:36:27,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,450 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 20:36:27,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2697 treesize of output 2303 [2021-11-25 20:36:27,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,747 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:36:27,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2704 treesize of output 1 [2021-11-25 20:36:27,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:27,838 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:27,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:28,032 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-25 20:36:28,171 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 20:36:28,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2388 [2021-11-25 20:36:28,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:28,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:28,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:28,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:28,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:28,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:28,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:28,571 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-25 20:36:28,617 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:36:28,617 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 1 case distinctions, treesize of input 2692 treesize of output 1 [2021-11-25 20:36:28,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:28,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:28,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:29,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:29,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:29,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:30,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:30,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,392 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 2603 treesize of output 2239 [2021-11-25 20:36:30,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:30,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:30,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,610 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 2715 treesize of output 2339 [2021-11-25 20:36:30,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,747 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 2615 treesize of output 2245 [2021-11-25 20:36:30,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:30,951 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 2608 treesize of output 2238 [2021-11-25 20:36:31,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:31,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:31,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:31,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:31,851 INFO L354 Elim1Store]: treesize reduction 430, result has 62.8 percent of original size [2021-11-25 20:36:31,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2680 treesize of output 2966 [2021-11-25 20:36:32,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:32,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:32,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:32,184 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-25 20:36:32,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2685 treesize of output 1 [2021-11-25 20:36:32,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:32,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:32,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:32,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:33,181 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-25 20:36:33,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 3078 [2021-11-25 20:36:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:33,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:33,523 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-25 20:36:33,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 1 [2021-11-25 20:36:34,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:34,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 20:36:35,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:35,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 20:36:35,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:35,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2676 treesize of output 2238 [2021-11-25 20:36:35,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:35,532 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 2671 treesize of output 2239 [2021-11-25 20:36:35,750 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:35,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:35,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:35,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:35,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:36,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:37,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2603 treesize of output 2239 [2021-11-25 20:36:37,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:37,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:37,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,723 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 2715 treesize of output 2339 [2021-11-25 20:36:37,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:37,865 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 2615 treesize of output 2245 [2021-11-25 20:36:38,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:38,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,069 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 2608 treesize of output 2238 [2021-11-25 20:36:38,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:38,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:38,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,526 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 20:36:38,545 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:36:38,545 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 1 case distinctions, treesize of input 2680 treesize of output 2242 [2021-11-25 20:36:38,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:38,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:38,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:38,770 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-25 20:36:38,788 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:36:38,789 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 1 case distinctions, treesize of input 2685 treesize of output 2241 [2021-11-25 20:36:38,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:38,943 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:39,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:39,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:39,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,192 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-11-25 20:36:39,212 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:36:39,212 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 1 case distinctions, treesize of input 2792 treesize of output 2342 [2021-11-25 20:36:39,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:39,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:39,427 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:36:39,427 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 1 case distinctions, treesize of input 2692 treesize of output 2248 [2021-11-25 20:36:40,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:40,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:41,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:42,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:42,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:42,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:42,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:45,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:45,179 INFO L244 Elim1Store]: Index analysis took 189 ms [2021-11-25 20:36:49,317 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 20:36:49,318 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 165033 treesize of output 165311 [2021-11-25 20:39:14,731 WARN L227 SmtUtils]: Spent 13.30s on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 20:42:23,648 WARN L227 SmtUtils]: Spent 13.34s on a formula simplification. DAG size of input: 2168 DAG size of output: 2168 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 20:43:47,584 WARN L227 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 2167 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)