./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.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_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/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_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/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_6ac14c37-def5-4800-8a70-968f347628d0/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 f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:06:37,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:06:37,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:06:37,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:06:37,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:06:37,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:06:37,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:06:37,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:06:37,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:06:37,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:06:37,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:06:37,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:06:37,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:06:37,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:06:37,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:06:37,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:06:37,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:06:37,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:06:37,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:06:37,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:06:37,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:06:37,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:06:37,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:06:37,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:06:37,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:06:37,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:06:37,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:06:37,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:06:37,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:06:37,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:06:37,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:06:37,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:06:37,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:06:37,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:06:37,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:06:37,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:06:37,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:06:37,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:06:37,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:06:37,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:06:37,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:06:37,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:06:37,747 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:06:37,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:06:37,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:06:37,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:06:37,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:06:37,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:06:37,756 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:06:37,756 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:06:37,757 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:06:37,757 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:06:37,758 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:06:37,758 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:06:37,758 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:06:37,759 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:06:37,759 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:06:37,759 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:06:37,759 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:06:37,759 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:06:37,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:06:37,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:06:37,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:06:37,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:06:37,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:06:37,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:06:37,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:06:37,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:06:37,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:06:37,762 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:06:37,762 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:06:37,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:06:37,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:06:37,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:06:37,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:06:37,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:06:37,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:06:37,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:06:37,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:06:37,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:06:37,765 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:06:37,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:06:37,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:06:37,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:06:37,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:06:37,775 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_6ac14c37-def5-4800-8a70-968f347628d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2021-11-21 00:06:38,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:06:38,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:06:38,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:06:38,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:06:38,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:06:38,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2021-11-21 00:06:38,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/data/47cd51b6f/6ae1f36b527a4634af4427d1785154e0/FLAGda2f496b0 [2021-11-21 00:06:38,708 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:06:38,708 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2021-11-21 00:06:38,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/data/47cd51b6f/6ae1f36b527a4634af4427d1785154e0/FLAGda2f496b0 [2021-11-21 00:06:38,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/data/47cd51b6f/6ae1f36b527a4634af4427d1785154e0 [2021-11-21 00:06:38,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:06:38,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:06:38,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:06:38,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:06:38,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:06:38,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:06:38" (1/1) ... [2021-11-21 00:06:38,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605dd108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:38, skipping insertion in model container [2021-11-21 00:06:38,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:06:38" (1/1) ... [2021-11-21 00:06:38,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:06:39,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:06:39,598 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_6ac14c37-def5-4800-8a70-968f347628d0/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2021-11-21 00:06:39,778 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_6ac14c37-def5-4800-8a70-968f347628d0/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2021-11-21 00:06:39,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:06:39,807 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:06:39,832 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_6ac14c37-def5-4800-8a70-968f347628d0/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2021-11-21 00:06:39,877 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_6ac14c37-def5-4800-8a70-968f347628d0/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2021-11-21 00:06:39,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:06:39,921 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:06:39,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39 WrapperNode [2021-11-21 00:06:39,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:06:39,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:06:39,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:06:39,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:06:39,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:39,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,040 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 00:06:40,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:06:40,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:06:40,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:06:40,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:06:40,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:06:40,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:06:40,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:06:40,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:06:40,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (1/1) ... [2021-11-21 00:06:40,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:06:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:06:40,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:06:40,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:06:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:06:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:06:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:06:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:06:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:06:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:06:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:06:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:06:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:06:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:06:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:06:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:06:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:06:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:06:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:06:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:06:40,625 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:06:40,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:06:41,574 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:06:41,887 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:06:41,888 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:06:41,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:06:41 BoogieIcfgContainer [2021-11-21 00:06:41,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:06:41,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:06:41,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:06:41,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:06:41,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:06:38" (1/3) ... [2021-11-21 00:06:41,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3219c0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:06:41, skipping insertion in model container [2021-11-21 00:06:41,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:06:39" (2/3) ... [2021-11-21 00:06:41,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3219c0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:06:41, skipping insertion in model container [2021-11-21 00:06:41,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:06:41" (3/3) ... [2021-11-21 00:06:41,900 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test3-1.i [2021-11-21 00:06:41,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:06:41,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 00:06:41,969 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:06:41,979 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:06:41,980 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 00:06:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:06:42,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:06:42,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:06:42,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:06:42,010 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:06:42,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:06:42,016 INFO L85 PathProgramCache]: Analyzing trace with hash 26287934, now seen corresponding path program 1 times [2021-11-21 00:06:42,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:06:42,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596995125] [2021-11-21 00:06:42,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:42,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:06:42,134 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:06:42,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237615209] [2021-11-21 00:06:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:42,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:06:42,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:06:42,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:06:42,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:06:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:06:42,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:06:42,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:06:42,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:06:42,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 00:06:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:06:42,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:06:42,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:06:42,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596995125] [2021-11-21 00:06:42,569 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:06:42,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237615209] [2021-11-21 00:06:42,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237615209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:06:42,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:06:42,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:06:42,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519378624] [2021-11-21 00:06:42,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:06:42,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:06:42,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:06:42,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:06:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:06:42,608 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:06:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:06:44,517 INFO L93 Difference]: Finished difference Result 341 states and 581 transitions. [2021-11-21 00:06:44,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:06:44,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 00:06:44,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:06:44,536 INFO L225 Difference]: With dead ends: 341 [2021-11-21 00:06:44,536 INFO L226 Difference]: Without dead ends: 208 [2021-11-21 00:06:44,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:06:44,544 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:06:44,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:06:44,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-21 00:06:44,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 136. [2021-11-21 00:06:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:06:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-21 00:06:44,600 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-21 00:06:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:06:44,600 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-21 00:06:44,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:06:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-21 00:06:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:06:44,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:06:44,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:06:44,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:06:44,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:06:44,829 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:06:44,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:06:44,830 INFO L85 PathProgramCache]: Analyzing trace with hash 554609707, now seen corresponding path program 1 times [2021-11-21 00:06:44,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:06:44,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060923369] [2021-11-21 00:06:44,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:44,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:06:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:06:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:06:44,945 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:06:44,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060923369] [2021-11-21 00:06:44,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060923369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:06:44,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:06:44,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:06:44,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450003591] [2021-11-21 00:06:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:06:44,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:06:44,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:06:44,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:06:44,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:06:44,958 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:06:47,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:06:47,038 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-21 00:06:47,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:06:47,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-21 00:06:47,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:06:47,048 INFO L225 Difference]: With dead ends: 266 [2021-11-21 00:06:47,048 INFO L226 Difference]: Without dead ends: 195 [2021-11-21 00:06:47,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:06:47,051 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:06:47,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 00:06:47,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-21 00:06:47,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-21 00:06:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:06:47,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-21 00:06:47,073 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-21 00:06:47,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:06:47,073 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-21 00:06:47,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:06:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-21 00:06:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:06:47,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:06:47,076 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:06:47,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:06:47,076 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:06:47,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:06:47,077 INFO L85 PathProgramCache]: Analyzing trace with hash 488272890, now seen corresponding path program 1 times [2021-11-21 00:06:47,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:06:47,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925250111] [2021-11-21 00:06:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:47,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:06:47,100 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:06:47,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949759119] [2021-11-21 00:06:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:47,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:06:47,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:06:47,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:06:47,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:06:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:06:47,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:06:47,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:06:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:06:47,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:06:47,469 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:06:47,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925250111] [2021-11-21 00:06:47,469 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:06:47,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949759119] [2021-11-21 00:06:47,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949759119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:06:47,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:06:47,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:06:47,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743013389] [2021-11-21 00:06:47,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:06:47,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:06:47,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:06:47,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:06:47,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:06:47,472 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:06:49,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:06:49,774 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-21 00:06:49,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:06:49,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 00:06:49,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:06:49,790 INFO L225 Difference]: With dead ends: 332 [2021-11-21 00:06:49,790 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 00:06:49,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:06:49,793 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:06:49,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:06:49,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 00:06:49,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-21 00:06:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:06:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-21 00:06:49,810 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-21 00:06:49,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:06:49,810 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-21 00:06:49,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:06:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-21 00:06:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 00:06:49,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:06:49,813 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:06:49,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:06:50,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:06:50,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:06:50,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:06:50,029 INFO L85 PathProgramCache]: Analyzing trace with hash -601106124, now seen corresponding path program 1 times [2021-11-21 00:06:50,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:06:50,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353878175] [2021-11-21 00:06:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:50,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:06:50,051 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:06:50,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406862080] [2021-11-21 00:06:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:50,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:06:50,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:06:50,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:06:50,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:06:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:06:50,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:06:50,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:06:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:06:50,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:06:50,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:06:50,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353878175] [2021-11-21 00:06:50,602 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:06:50,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406862080] [2021-11-21 00:06:50,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406862080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:06:50,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:06:50,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:06:50,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996768594] [2021-11-21 00:06:50,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:06:50,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:06:50,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:06:50,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:06:50,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:06:50,609 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:06:52,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:06:53,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:06:53,052 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-21 00:06:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:06:53,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-21 00:06:53,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:06:53,058 INFO L225 Difference]: With dead ends: 346 [2021-11-21 00:06:53,058 INFO L226 Difference]: Without dead ends: 183 [2021-11-21 00:06:53,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:06:53,065 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:06:53,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:06:53,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-21 00:06:53,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-21 00:06:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 00:06:53,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-21 00:06:53,080 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-21 00:06:53,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:06:53,081 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-21 00:06:53,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:06:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-21 00:06:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:06:53,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:06:53,083 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:06:53,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 00:06:53,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:06:53,297 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:06:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:06:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1335578956, now seen corresponding path program 1 times [2021-11-21 00:06:53,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:06:53,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454842729] [2021-11-21 00:06:53,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:53,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:06:53,315 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:06:53,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579255534] [2021-11-21 00:06:53,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:06:53,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:06:53,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:06:53,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:06:53,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac14c37-def5-4800-8a70-968f347628d0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:06:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:06:53,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:06:53,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:06:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:06:53,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:06:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:06:54,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:06:54,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454842729] [2021-11-21 00:06:54,184 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:06:54,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579255534] [2021-11-21 00:06:54,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579255534] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:06:54,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1019771608] [2021-11-21 00:06:54,204 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:06:54,204 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:06:54,208 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:06:54,213 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:06:54,214 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:06:54,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:06:54,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:06:54,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,340 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:06:54,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:06:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:06:54,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:06:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,526 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:06:54,526 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 [2021-11-21 00:06:54,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:06:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,596 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:06:54,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:06:54,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:06:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,700 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:06:54,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:06:54,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:54,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 00:06:54,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:06:55,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:06:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 00:06:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 00:06:56,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:06:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:06:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:06:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 00:06:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:06:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,909 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:06:56,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:06:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:06:56,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,050 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:06:57,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:06:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,133 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 00:06:57,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:06:57,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:57,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:06:57,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:06:57,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:06:57,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:06:57,873 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:06:57,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 00:06:57,898 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:06:57,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 00:06:57,924 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:06:57,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 00:06:57,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:06:57,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:06:58,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:06:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:06:58,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:06:58,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:06:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:06:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:06:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:58,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:07:05,668 WARN L227 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:07:05,669 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:07:05,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:07:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:17,297 WARN L227 SmtUtils]: Spent 11.59s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:07:17,298 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:07:17,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:07:30,014 WARN L227 SmtUtils]: Spent 12.55s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:07:30,015 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:07:30,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 00:07:30,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:30,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:30,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:32,231 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:07:32,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 00:07:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:32,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:33,183 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:07:33,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 00:07:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:36,230 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:07:36,231 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 36 treesize of output 20 [2021-11-21 00:07:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:37,299 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:07:37,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 00:07:38,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:39,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:40,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:40,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:41,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:41,986 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:42,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:42,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:43,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:43,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:45,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:46,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:46,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:46,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:47,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:47,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:49,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:50,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:52,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:07:52,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:52,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:07:52,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:07:52,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:07:52,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:52,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:07:52,116 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-21 00:07:52,118 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 1319 treesize of output 865 [2021-11-21 00:07:54,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:07:54,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:01,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:02,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:03,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:03,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:05,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:05,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:05,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:05,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:06,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:06,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:09,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:10,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:10,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:11,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:12,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:13,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:13,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:13,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:14,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:14,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:08:23,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:23,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:23,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:23,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:23,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:24,344 INFO L244 Elim1Store]: Index analysis took 527 ms [2021-11-21 00:08:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:24,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:24,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:24,629 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-21 00:08:24,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4848 treesize of output 3280 [2021-11-21 00:08:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:25,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:25,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:25,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:26,000 INFO L244 Elim1Store]: Index analysis took 420 ms [2021-11-21 00:08:26,540 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-21 00:08:26,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4904 treesize of output 3326 [2021-11-21 00:08:28,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:28,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:29,074 INFO L244 Elim1Store]: Index analysis took 634 ms [2021-11-21 00:08:29,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:35,193 WARN L227 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 112 DAG size of output: 81 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:08:35,194 INFO L354 Elim1Store]: treesize reduction 6592, result has 45.3 percent of original size [2021-11-21 00:08:35,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 4848 treesize of output 8650 [2021-11-21 00:08:37,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:37,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:37,948 INFO L244 Elim1Store]: Index analysis took 591 ms [2021-11-21 00:08:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:38,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:38,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:38,923 INFO L354 Elim1Store]: treesize reduction 460, result has 0.2 percent of original size [2021-11-21 00:08:38,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 5685 treesize of output 3935 [2021-11-21 00:08:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:43,984 INFO L244 Elim1Store]: Index analysis took 1162 ms [2021-11-21 00:08:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:55,594 WARN L227 SmtUtils]: Spent 9.26s on a formula simplification. DAG size of input: 152 DAG size of output: 97 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:08:55,595 INFO L354 Elim1Store]: treesize reduction 8966, result has 44.9 percent of original size [2021-11-21 00:08:55,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 4869 treesize of output 10502 [2021-11-21 00:08:59,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:08:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:08:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:00,357 INFO L244 Elim1Store]: Index analysis took 698 ms [2021-11-21 00:09:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:04,270 INFO L354 Elim1Store]: treesize reduction 6628, result has 45.3 percent of original size [2021-11-21 00:09:04,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 5363 treesize of output 9105 [2021-11-21 00:09:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:13,168 INFO L244 Elim1Store]: Index analysis took 381 ms [2021-11-21 00:09:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:16,207 INFO L354 Elim1Store]: treesize reduction 7616, result has 37.8 percent of original size [2021-11-21 00:09:16,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 5083 treesize of output 7963 [2021-11-21 00:09:43,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:43,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:09:44,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:44,684 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 00:09:44,684 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 38 treesize of output 32 [2021-11-21 00:09:45,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:09:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:45,832 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 44 treesize of output 28 [2021-11-21 00:09:57,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:09:57,998 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 00:09:57,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76011 treesize of output 76025 [2021-11-21 00:12:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:12:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver