./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/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 c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:31,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:31,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:31,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:31,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:31,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:31,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:31,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:31,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:31,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:31,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:31,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:31,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:31,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:31,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:31,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:31,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:31,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:31,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:31,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:31,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:31,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:31,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:31,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:31,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:31,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:31,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:31,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:31,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:31,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:31,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:31,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:31,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:31,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:31,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:31,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:31,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:31,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:31,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:31,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:31,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:31,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:32:31,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:31,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:31,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:31,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:31,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:31,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:31,747 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:31,747 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:31,748 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:31,748 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:31,748 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:31,748 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:31,748 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:31,749 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:31,749 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:31,749 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:31,749 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:31,750 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:31,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:31,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:31,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:32:31,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:31,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:31,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:31,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:31,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:31,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:31,754 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:32:31,754 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:31,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:31,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:31,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:31,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:31,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:31,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:31,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:31,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:31,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:31,758 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:31,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:31,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:31,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:31,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:31,760 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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c [2021-11-20 23:32:32,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:32,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:32,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:32,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:32,037 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:32,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2021-11-20 23:32:32,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/data/fd3507ba7/81e4ce114f2943a09c93c5d98a75869d/FLAGdd9f055d3 [2021-11-20 23:32:32,728 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:32,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2021-11-20 23:32:32,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/data/fd3507ba7/81e4ce114f2943a09c93c5d98a75869d/FLAGdd9f055d3 [2021-11-20 23:32:32,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/data/fd3507ba7/81e4ce114f2943a09c93c5d98a75869d [2021-11-20 23:32:32,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:32,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:33,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:33,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:33,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:33,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:33,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6a6ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33, skipping insertion in model container [2021-11-20 23:32:33,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:33,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:33,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:33,539 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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[33021,33034] [2021-11-20 23:32:33,706 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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[49681,49694] [2021-11-20 23:32:33,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:33,742 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:33,789 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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[33021,33034] [2021-11-20 23:32:33,899 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_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[49681,49694] [2021-11-20 23:32:33,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:33,965 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:33,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33 WrapperNode [2021-11-20 23:32:33,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:33,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:33,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:33,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:33,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,152 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-20 23:32:34,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:34,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:34,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:34,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:34,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:34,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:34,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:34,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:34,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:34,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:34,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:34,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:34,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:32:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:32:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:32:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:32:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:32:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:32:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:32:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:32:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:32:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:32:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:32:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:34,688 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:34,690 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:32:36,122 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:32:36,606 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:32:36,606 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-20 23:32:36,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:36 BoogieIcfgContainer [2021-11-20 23:32:36,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:32:36,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:32:36,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:32:36,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:32:36,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:32" (1/3) ... [2021-11-20 23:32:36,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226ebac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:36, skipping insertion in model container [2021-11-20 23:32:36,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33" (2/3) ... [2021-11-20 23:32:36,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226ebac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:36, skipping insertion in model container [2021-11-20 23:32:36,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:36" (3/3) ... [2021-11-20 23:32:36,625 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-1.i [2021-11-20 23:32:36,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:32:36,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-20 23:32:36,691 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:32:36,697 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:32:36,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-20 23:32:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 23:32:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 23:32:36,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:36,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 23:32:36,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 23:32:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1119808, now seen corresponding path program 1 times [2021-11-20 23:32:36,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:36,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052634213] [2021-11-20 23:32:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:36,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:36,851 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:36,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [377677404] [2021-11-20 23:32:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:36,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:36,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:36,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:36,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:32:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:37,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:37,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:37,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:37,174 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:37,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052634213] [2021-11-20 23:32:37,175 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:37,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377677404] [2021-11-20 23:32:37,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377677404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:37,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:37,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 23:32:37,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627490833] [2021-11-20 23:32:37,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:37,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:37,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:37,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:37,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:37,216 INFO L87 Difference]: Start difference. First operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:39,278 INFO L93 Difference]: Finished difference Result 476 states and 831 transitions. [2021-11-20 23:32:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:39,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-20 23:32:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:39,306 INFO L225 Difference]: With dead ends: 476 [2021-11-20 23:32:39,306 INFO L226 Difference]: Without dead ends: 312 [2021-11-20 23:32:39,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:39,314 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 159 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:39,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 351 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 23:32:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-20 23:32:39,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-20 23:32:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 23:32:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-20 23:32:39,378 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-20 23:32:39,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:39,379 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-20 23:32:39,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-20 23:32:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-20 23:32:39,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:39,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:39,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:39,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:39,597 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 23:32:39,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:39,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1087819107, now seen corresponding path program 1 times [2021-11-20 23:32:39,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:39,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677888142] [2021-11-20 23:32:39,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:39,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:39,647 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:39,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823983823] [2021-11-20 23:32:39,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:39,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:39,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:39,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:32:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:39,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:39,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:40,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:40,157 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:40,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677888142] [2021-11-20 23:32:40,157 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:40,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823983823] [2021-11-20 23:32:40,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823983823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:40,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:40,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:40,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144138325] [2021-11-20 23:32:40,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:40,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:32:40,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:40,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:32:40,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:32:40,161 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:44,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:32:45,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:45,216 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-20 23:32:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:32:45,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-20 23:32:45,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:45,234 INFO L225 Difference]: With dead ends: 312 [2021-11-20 23:32:45,235 INFO L226 Difference]: Without dead ends: 311 [2021-11-20 23:32:45,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:45,237 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 116 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:45,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 534 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-20 23:32:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-20 23:32:45,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-20 23:32:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 23:32:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-20 23:32:45,276 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-20 23:32:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:45,277 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-20 23:32:45,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-20 23:32:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-20 23:32:45,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:45,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:45,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:45,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:45,493 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 23:32:45,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:45,494 INFO L85 PathProgramCache]: Analyzing trace with hash -637345286, now seen corresponding path program 1 times [2021-11-20 23:32:45,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:45,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43320094] [2021-11-20 23:32:45,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:45,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:45,513 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:45,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90689352] [2021-11-20 23:32:45,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:45,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:45,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:45,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:45,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:32:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:45,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:45,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:45,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:45,979 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:45,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43320094] [2021-11-20 23:32:45,979 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:45,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90689352] [2021-11-20 23:32:45,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90689352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:45,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:45,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:45,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784666465] [2021-11-20 23:32:45,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:45,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:32:45,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:45,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:32:45,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:32:45,983 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:47,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:47,637 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-20 23:32:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:32:47,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-20 23:32:47,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:47,647 INFO L225 Difference]: With dead ends: 307 [2021-11-20 23:32:47,647 INFO L226 Difference]: Without dead ends: 305 [2021-11-20 23:32:47,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:47,649 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:47,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 23:32:47,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-20 23:32:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-20 23:32:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 23:32:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-20 23:32:47,674 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-20 23:32:47,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:47,675 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-20 23:32:47,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-20 23:32:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 23:32:47,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:47,678 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:47,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:47,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:47,904 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 23:32:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:47,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1691543126, now seen corresponding path program 1 times [2021-11-20 23:32:47,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:47,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023460538] [2021-11-20 23:32:47,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:47,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:47,947 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:47,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715364179] [2021-11-20 23:32:47,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:47,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:47,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:47,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:47,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:32:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:48,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:32:48,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:48,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:48,517 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:48,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023460538] [2021-11-20 23:32:48,520 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:48,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715364179] [2021-11-20 23:32:48,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715364179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:48,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:48,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:48,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229524719] [2021-11-20 23:32:48,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:48,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:48,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:48,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:48,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:48,528 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:50,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:50,458 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-20 23:32:50,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:50,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-20 23:32:50,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:50,469 INFO L225 Difference]: With dead ends: 589 [2021-11-20 23:32:50,469 INFO L226 Difference]: Without dead ends: 357 [2021-11-20 23:32:50,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:50,472 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:50,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 23:32:50,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-20 23:32:50,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-20 23:32:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 23:32:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-20 23:32:50,500 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-20 23:32:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:50,500 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-20 23:32:50,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-20 23:32:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 23:32:50,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:50,504 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:50,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:50,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:50,720 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 23:32:50,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:50,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1425254209, now seen corresponding path program 1 times [2021-11-20 23:32:50,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:50,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64186312] [2021-11-20 23:32:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:50,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:50,743 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:50,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231680513] [2021-11-20 23:32:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:50,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:50,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:50,745 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:50,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:32:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:50,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:32:50,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:32:51,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:51,205 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:51,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64186312] [2021-11-20 23:32:51,205 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:51,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231680513] [2021-11-20 23:32:51,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231680513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:51,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:51,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:51,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247252272] [2021-11-20 23:32:51,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:51,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:51,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:51,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:51,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:51,210 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:32:52,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:52,477 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-20 23:32:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:52,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-20 23:32:52,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:52,486 INFO L225 Difference]: With dead ends: 678 [2021-11-20 23:32:52,486 INFO L226 Difference]: Without dead ends: 351 [2021-11-20 23:32:52,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:52,488 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:52,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:32:52,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-20 23:32:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-20 23:32:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-20 23:32:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-20 23:32:52,512 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-20 23:32:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:52,512 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-20 23:32:52,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:32:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-20 23:32:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 23:32:52,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:52,516 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:52,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:52,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:52,732 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 23:32:52,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:52,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1252483932, now seen corresponding path program 1 times [2021-11-20 23:32:52,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:52,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708041355] [2021-11-20 23:32:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:52,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:52,776 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:52,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594498078] [2021-11-20 23:32:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:52,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:52,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:52,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:52,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 23:32:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:54,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 23:32:54,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:32:54,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:54,596 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:54,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708041355] [2021-11-20 23:32:54,596 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:54,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594498078] [2021-11-20 23:32:54,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594498078] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:54,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:54,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:32:54,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482043522] [2021-11-20 23:32:54,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:54,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:32:54,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:54,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:32:54,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:32:54,599 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 23:32:57,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:57,083 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-20 23:32:57,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:32:57,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-20 23:32:57,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:57,093 INFO L225 Difference]: With dead ends: 684 [2021-11-20 23:32:57,094 INFO L226 Difference]: Without dead ends: 353 [2021-11-20 23:32:57,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:57,095 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:57,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 23:32:57,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-20 23:32:57,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-20 23:32:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-20 23:32:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-20 23:32:57,120 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-20 23:32:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:57,121 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-20 23:32:57,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 23:32:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-20 23:32:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 23:32:57,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:57,124 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:57,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:57,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:57,340 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-20 23:32:57,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:57,341 INFO L85 PathProgramCache]: Analyzing trace with hash -754730984, now seen corresponding path program 1 times [2021-11-20 23:32:57,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:57,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114439116] [2021-11-20 23:32:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:57,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:57,356 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:57,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092467141] [2021-11-20 23:32:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:57,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:57,358 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:57,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47519b4d-4b96-43f0-92d6-ba9ddb34b3c7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 23:32:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:58,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:32:58,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-20 23:32:58,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:32:59,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 23:32:59,021 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:59,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114439116] [2021-11-20 23:32:59,022 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:59,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092467141] [2021-11-20 23:32:59,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092467141] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:32:59,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1718216413] [2021-11-20 23:32:59,048 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-20 23:32:59,048 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:32:59,054 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:32:59,059 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:32:59,059 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:32:59,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,276 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:32:59,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:32:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,315 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 [2021-11-20 23:32:59,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:32:59,469 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:32:59,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-20 23:32:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,536 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:32:59,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:32:59,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:32:59,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,633 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:32:59,633 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 [2021-11-20 23:32:59,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 23:32:59,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 23:32:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:59,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 23:33:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:33:01,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:33:01,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:33:01,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:33:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:33:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:33:01,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:33:01,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:01,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:33:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:33:02,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,168 INFO L354 Elim1Store]: treesize reduction 202, result has 21.7 percent of original size [2021-11-20 23:33:02,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 127 treesize of output 163 [2021-11-20 23:33:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,241 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:33:02,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 145 treesize of output 156 [2021-11-20 23:33:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:33:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:02,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:33:03,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 23:33:03,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:33:03,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:33:03,107 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:33:03,107 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 [2021-11-20 23:33:03,131 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:33:03,131 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 [2021-11-20 23:33:03,179 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-20 23:33:03,179 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 [2021-11-20 23:33:03,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:33:03,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 23:33:03,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:33:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:33:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:33:03,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:33:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:33:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:33:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:33:12,342 WARN L227 SmtUtils]: Spent 8.24s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:33:12,343 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:33:12,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:33:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:24,106 WARN L227 SmtUtils]: Spent 11.70s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:33:24,107 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:33:24,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:33:34,322 WARN L227 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:33:34,324 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:33:34,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:33:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:35,598 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:33:35,599 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 25954 treesize of output 25968 [2021-11-20 23:33:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:36,858 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:33:36,859 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 25953 treesize of output 25968 [2021-11-20 23:33:38,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:33:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:38,941 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:33:38,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:33:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:39,703 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:33:39,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-20 23:33:41,713 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-20 23:33:43,429 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:33:43,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9007 treesize of output 10411 [2021-11-20 23:34:00,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:34:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:34:00,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:34:00,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-20 23:34:01,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:34:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:34:01,562 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:34:01,562 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 30 treesize of output 14 [2021-11-20 23:34:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:34:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:34:03,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:34:03,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-20 23:34:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:34:06,370 INFO L354 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2021-11-20 23:34:06,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 7964 treesize of output 7843 [2021-11-20 23:34:14,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:34:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver