./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:13:56,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:13:56,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:13:56,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:13:56,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:13:56,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:13:56,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:13:56,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:13:56,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:13:56,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:13:56,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:13:56,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:13:56,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:13:56,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:13:56,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:13:56,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:13:56,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:13:56,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:13:56,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:13:56,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:13:56,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:13:56,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:13:56,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:13:56,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:13:56,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:13:56,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:13:56,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:13:56,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:13:56,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:13:56,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:13:56,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:13:56,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:13:56,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:13:56,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:13:56,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:13:56,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:13:56,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:13:56,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:13:56,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:13:56,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:13:56,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:13:56,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:13:56,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:13:56,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:13:56,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:13:56,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:13:56,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:13:56,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:13:56,937 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:13:56,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:13:56,938 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:13:56,938 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:13:56,939 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:13:56,939 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:13:56,939 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:13:56,940 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:13:56,940 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:13:56,941 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:13:56,941 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:13:56,941 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:13:56,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:13:56,943 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:13:56,943 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:13:56,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:13:56,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:13:56,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:13:56,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:13:56,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:13:56,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:13:56,945 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:13:56,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:13:56,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:13:56,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:13:56,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:13:56,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:13:56,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:13:56,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:56,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:13:56,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:13:56,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:13:56,949 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:13:56,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:13:56,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:13:56,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:13:56,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:13:56,951 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_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2021-11-20 23:13:57,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:13:57,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:13:57,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:13:57,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:13:57,292 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:13:57,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2021-11-20 23:13:57,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/data/8dd1bf967/148924d40b374601b8587d1cda8e9e7a/FLAGa2c21a0bb [2021-11-20 23:13:58,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:13:58,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2021-11-20 23:13:58,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/data/8dd1bf967/148924d40b374601b8587d1cda8e9e7a/FLAGa2c21a0bb [2021-11-20 23:13:58,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/data/8dd1bf967/148924d40b374601b8587d1cda8e9e7a [2021-11-20 23:13:58,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:13:58,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:13:58,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:58,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:13:58,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:13:58,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:58" (1/1) ... [2021-11-20 23:13:58,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8f236d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:58, skipping insertion in model container [2021-11-20 23:13:58,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:58" (1/1) ... [2021-11-20 23:13:58,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:13:58,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:13:58,919 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_fd304a7d-2676-428a-947a-7de5849e30a4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2021-11-20 23:13:59,075 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_fd304a7d-2676-428a-947a-7de5849e30a4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2021-11-20 23:13:59,080 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_fd304a7d-2676-428a-947a-7de5849e30a4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2021-11-20 23:13:59,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:59,123 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:13:59,176 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_fd304a7d-2676-428a-947a-7de5849e30a4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2021-11-20 23:13:59,242 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_fd304a7d-2676-428a-947a-7de5849e30a4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2021-11-20 23:13:59,243 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_fd304a7d-2676-428a-947a-7de5849e30a4/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2021-11-20 23:13:59,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:59,307 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:13:59,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59 WrapperNode [2021-11-20 23:13:59,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:59,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:59,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:13:59,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:13:59,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,436 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-20 23:13:59,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:59,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:13:59,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:13:59,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:13:59,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:13:59,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:13:59,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:13:59,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:13:59,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (1/1) ... [2021-11-20 23:13:59,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:59,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:13:59,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:13:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:13:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:13:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:13:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:13:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:13:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:13:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:13:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:13:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:13:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:13:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:13:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:13:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:13:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:13:59,956 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:13:59,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:14:01,276 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:14:01,631 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:14:01,632 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-20 23:14:01,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:01 BoogieIcfgContainer [2021-11-20 23:14:01,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:14:01,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:14:01,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:14:01,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:14:01,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:13:58" (1/3) ... [2021-11-20 23:14:01,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a408a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:01, skipping insertion in model container [2021-11-20 23:14:01,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:59" (2/3) ... [2021-11-20 23:14:01,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a408a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:01, skipping insertion in model container [2021-11-20 23:14:01,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:01" (3/3) ... [2021-11-20 23:14:01,651 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-2.i [2021-11-20 23:14:01,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:14:01,660 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:14:01,719 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:14:01,726 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 [2021-11-20 23:14:01,726 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:14:01,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:14:01,751 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:01,751 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:14:01,752 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:01,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:01,758 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-20 23:14:01,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:01,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373984522] [2021-11-20 23:14:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:01,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:01,876 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:01,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381885940] [2021-11-20 23:14:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:01,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:01,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:01,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:01,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:14:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:02,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:14:02,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:02,203 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 [2021-11-20 23:14:02,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 23:14:02,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-20 23:14:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:02,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:02,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:02,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373984522] [2021-11-20 23:14:02,327 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:02,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381885940] [2021-11-20 23:14:02,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381885940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:02,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:02,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:14:02,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736330489] [2021-11-20 23:14:02,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:02,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:02,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:02,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:02,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:02,376 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2021-11-20 23:14:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:04,908 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-20 23:14:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:04,928 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 [2021-11-20 23:14:04,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:04,938 INFO L225 Difference]: With dead ends: 316 [2021-11-20 23:14:04,938 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:14:04,943 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 [2021-11-20 23:14:04,949 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:04,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 23:14:04,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:14:04,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-20 23:14:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-20 23:14:05,003 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-20 23:14:05,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:05,004 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-20 23:14:05,004 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) [2021-11-20 23:14:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-20 23:14:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:14:05,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:05,008 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] [2021-11-20 23:14:05,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:05,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:14:05,220 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:05,222 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-20 23:14:05,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:05,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512047213] [2021-11-20 23:14:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:05,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:05,365 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:05,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512047213] [2021-11-20 23:14:05,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512047213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:05,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:05,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:14:05,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450473689] [2021-11-20 23:14:05,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:05,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:05,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:05,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:05,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:05,368 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-20 23:14:06,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:06,599 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-20 23:14:06,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:06,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-20 23:14:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:06,613 INFO L225 Difference]: With dead ends: 211 [2021-11-20 23:14:06,613 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 23:14:06,614 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 [2021-11-20 23:14:06,616 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:06,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:14:06,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 23:14:06,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-20 23:14:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-20 23:14:06,635 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-20 23:14:06,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:06,635 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-20 23:14:06,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-20 23:14:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-20 23:14:06,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:14:06,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:06,637 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] [2021-11-20 23:14:06,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:14:06,638 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:06,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:06,640 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-20 23:14:06,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:06,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575079044] [2021-11-20 23:14:06,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:06,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:06,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:06,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458592170] [2021-11-20 23:14:06,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:06,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:06,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:06,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:06,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:14:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:06,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:14:06,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:07,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:07,095 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:07,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575079044] [2021-11-20 23:14:07,098 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:07,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458592170] [2021-11-20 23:14:07,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458592170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:07,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:07,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:14:07,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250363018] [2021-11-20 23:14:07,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:07,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:07,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:07,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:07,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:07,103 INFO L87 Difference]: Start difference. First operand 117 states and 135 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) [2021-11-20 23:14:08,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:08,958 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-20 23:14:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:08,973 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 [2021-11-20 23:14:08,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:08,975 INFO L225 Difference]: With dead ends: 277 [2021-11-20 23:14:08,975 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:14:08,976 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 [2021-11-20 23:14:08,978 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:08,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 23:14:08,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:14:08,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-20 23:14:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:14:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-20 23:14:08,995 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-20 23:14:08,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:08,996 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-20 23:14:08,996 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) [2021-11-20 23:14:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-20 23:14:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 23:14:08,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:08,999 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] [2021-11-20 23:14:09,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:09,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 23:14:09,227 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:09,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:09,228 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-20 23:14:09,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:09,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168277811] [2021-11-20 23:14:09,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:09,267 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:09,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440650703] [2021-11-20 23:14:09,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:09,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:09,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:09,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:09,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:14:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:09,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:14:09,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:14:09,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:09,880 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:09,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168277811] [2021-11-20 23:14:09,880 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:09,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440650703] [2021-11-20 23:14:09,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440650703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:09,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:09,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:14:09,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582185040] [2021-11-20 23:14:09,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:09,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:09,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:09,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:09,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:09,883 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:14:10,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:10,952 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-20 23:14:10,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:10,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-20 23:14:10,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:10,966 INFO L225 Difference]: With dead ends: 308 [2021-11-20 23:14:10,966 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:14:10,967 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 [2021-11-20 23:14:10,968 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:10,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 23:14:10,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:14:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-20 23:14:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 23:14:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-20 23:14:10,987 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-20 23:14:10,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:10,987 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-20 23:14:10,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:14:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-20 23:14:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:14:10,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:10,990 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] [2021-11-20 23:14:11,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:11,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:11,215 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:11,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-20 23:14:11,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:11,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103581698] [2021-11-20 23:14:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:11,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:11,236 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:11,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438958228] [2021-11-20 23:14:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:11,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:11,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:11,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:11,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd304a7d-2676-428a-947a-7de5849e30a4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:14:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:11,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:14:11,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:14:11,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:14:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:14:12,012 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:12,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103581698] [2021-11-20 23:14:12,013 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:12,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438958228] [2021-11-20 23:14:12,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438958228] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:14:12,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [227132517] [2021-11-20 23:14:12,035 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:14:12,035 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:14:12,040 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:14:12,046 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:14:12,047 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:14:12,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:14:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 23:14:12,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:14:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,167 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:14:12,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-20 23:14:12,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,212 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:14:12,213 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 [2021-11-20 23:14:12,329 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 [2021-11-20 23:14:12,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,354 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:14:12,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 23:14:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,432 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:14:12,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:14:12,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-20 23:14:12,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,514 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:14:12,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:14:12,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 23:14:12,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 23:14:12,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:12,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-20 23:14:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-20 23:14:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-20 23:14:14,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:14:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:14:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-20 23:14:14,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:14:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:14:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:14:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:14:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,718 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:14:14,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:14:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,818 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:14:14,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:14:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:14,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 75 treesize of output 77 [2021-11-20 23:14:15,499 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 [2021-11-20 23:14:15,504 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 [2021-11-20 23:14:15,512 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 [2021-11-20 23:14:15,575 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:14:15,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:14:15,604 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:14:15,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:14:15,632 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:14:15,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:14:15,747 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 [2021-11-20 23:14:15,756 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 [2021-11-20 23:14:15,762 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 [2021-11-20 23:14:15,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:14:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:14:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:14:16,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:14:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:14:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:14:23,187 WARN L227 SmtUtils]: Spent 6.60s 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) [2021-11-20 23:14:23,188 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:14:23,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:14:23,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:31,704 WARN L227 SmtUtils]: Spent 8.48s 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) [2021-11-20 23:14:31,705 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:14:31,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:14:42,155 WARN L227 SmtUtils]: Spent 10.34s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:14:42,156 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:14:42,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:14:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:42,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:44,382 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-20 23:14:44,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-20 23:14:44,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:45,688 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:14:45,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-20 23:14:47,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:47,881 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:14:47,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:14:48,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:49,017 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 23:14:49,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-20 23:14:49,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:49,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:49,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:49,783 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-20 23:14:50,397 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:14:50,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1210 treesize of output 1926 [2021-11-20 23:14:51,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:51,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:51,866 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 1133 treesize of output 769 [2021-11-20 23:14:52,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:53,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:53,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:53,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:53,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1201 treesize of output 769 [2021-11-20 23:14:53,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:54,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:54,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:54,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:55,082 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-20 23:14:55,102 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:14:55,103 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 1210 treesize of output 772 [2021-11-20 23:14:55,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:55,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:55,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:55,698 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 1133 treesize of output 769 [2021-11-20 23:14:55,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:14:56,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:56,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:56,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:56,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:56,729 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-20 23:14:56,730 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 1222 treesize of output 772 [2021-11-20 23:14:57,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:57,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:57,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:57,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:57,991 INFO L244 Elim1Store]: Index analysis took 118 ms [2021-11-20 23:14:58,005 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-20 23:14:58,006 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 1222 treesize of output 772 [2021-11-20 23:14:59,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:59,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:14:59,477 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-11-20 23:14:59,479 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 1231 treesize of output 775 [2021-11-20 23:14:59,980 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-20 23:15:01,578 INFO L354 Elim1Store]: treesize reduction 981, result has 47.3 percent of original size [2021-11-20 23:15:01,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1231 treesize of output 1654 [2021-11-20 23:15:04,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:04,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:04,317 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-20 23:15:04,332 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-20 23:15:04,332 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 1154 treesize of output 772 [2021-11-20 23:15:05,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:05,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:05,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:05,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:06,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:06,025 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-20 23:15:06,027 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 1222 treesize of output 772 [2021-11-20 23:15:11,403 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:15:11,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 13501 treesize of output 13509 [2021-11-20 23:15:12,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:12,972 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:15:12,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-20 23:15:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:13,403 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:15:13,404 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 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-20 23:15:14,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:14,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:14,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-20 23:15:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver