./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/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_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/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_36364915-3eb7-43d0-b559-62d8cc915883/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 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:37:20,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:37:20,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:37:20,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:37:20,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:37:20,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:37:20,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:37:20,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:37:20,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:37:20,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:37:20,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:37:20,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:37:20,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:37:20,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:37:20,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:37:20,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:37:20,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:37:20,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:37:20,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:37:20,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:37:20,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:37:20,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:37:20,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:37:20,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:37:20,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:37:20,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:37:20,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:37:20,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:37:20,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:37:20,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:37:20,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:37:20,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:37:20,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:37:20,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:37:20,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:37:20,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:37:20,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:37:20,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:37:20,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:37:20,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:37:20,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:37:20,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:37:20,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:37:20,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:37:20,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:37:20,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:37:20,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:37:20,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:37:20,330 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:37:20,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:37:20,330 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:37:20,331 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:37:20,332 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:37:20,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:37:20,332 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:37:20,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:37:20,333 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:37:20,333 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:37:20,334 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:37:20,334 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:37:20,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:37:20,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:37:20,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:37:20,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:37:20,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:37:20,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:37:20,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:37:20,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:37:20,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:37:20,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:37:20,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:37:20,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:37:20,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:37:20,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:37:20,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:37:20,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:37:20,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:37:20,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:37:20,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:37:20,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:37:20,343 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:37:20,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:37:20,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:37:20,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:37:20,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:37:20,344 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_36364915-3eb7-43d0-b559-62d8cc915883/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2021-11-21 00:37:20,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:37:20,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:37:20,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:37:20,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:37:20,680 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:37:20,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2021-11-21 00:37:20,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/data/df289ab7d/fe418578052c41099a85a5298695433a/FLAG90385181a [2021-11-21 00:37:21,442 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:37:21,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2021-11-21 00:37:21,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/data/df289ab7d/fe418578052c41099a85a5298695433a/FLAG90385181a [2021-11-21 00:37:21,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/data/df289ab7d/fe418578052c41099a85a5298695433a [2021-11-21 00:37:21,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:37:21,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:37:21,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:37:21,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:37:21,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:37:21,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:37:21" (1/1) ... [2021-11-21 00:37:21,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75830ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:21, skipping insertion in model container [2021-11-21 00:37:21,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:37:21" (1/1) ... [2021-11-21 00:37:21,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:37:21,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:37:22,217 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_36364915-3eb7-43d0-b559-62d8cc915883/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[33021,33034] [2021-11-21 00:37:22,340 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_36364915-3eb7-43d0-b559-62d8cc915883/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44124,44137] [2021-11-21 00:37:22,341 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_36364915-3eb7-43d0-b559-62d8cc915883/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44245,44258] [2021-11-21 00:37:22,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:37:22,371 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:37:22,414 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_36364915-3eb7-43d0-b559-62d8cc915883/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[33021,33034] [2021-11-21 00:37:22,525 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_36364915-3eb7-43d0-b559-62d8cc915883/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44124,44137] [2021-11-21 00:37:22,526 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_36364915-3eb7-43d0-b559-62d8cc915883/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44245,44258] [2021-11-21 00:37:22,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:37:22,610 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:37:22,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22 WrapperNode [2021-11-21 00:37:22,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:37:22,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:37:22,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:37:22,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:37:22,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,780 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-21 00:37:22,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:37:22,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:37:22,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:37:22,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:37:22,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:37:22,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:37:22,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:37:22,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:37:22,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (1/1) ... [2021-11-21 00:37:22,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:37:22,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:23,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:37:23,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:37:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:37:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:37:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:37:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:37:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:37:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:37:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:37:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:37:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:37:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:37:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:37:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:37:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:37:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:37:23,307 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:37:23,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:37:24,374 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:37:24,790 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:37:24,791 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 00:37:24,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:37:24 BoogieIcfgContainer [2021-11-21 00:37:24,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:37:24,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:37:24,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:37:24,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:37:24,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:37:21" (1/3) ... [2021-11-21 00:37:24,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fd0cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:37:24, skipping insertion in model container [2021-11-21 00:37:24,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:37:22" (2/3) ... [2021-11-21 00:37:24,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fd0cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:37:24, skipping insertion in model container [2021-11-21 00:37:24,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:37:24" (3/3) ... [2021-11-21 00:37:24,808 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-2.i [2021-11-21 00:37:24,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:37:24,815 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:37:24,887 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:37:24,894 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:37:24,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 00:37:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:37:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:37:24,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:24,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:37:24,928 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:37:24,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:24,934 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-21 00:37:24,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:24,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898097349] [2021-11-21 00:37:24,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:24,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:25,088 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:25,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206652532] [2021-11-21 00:37:25,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:25,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:25,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:25,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:25,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:37:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:25,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 00:37:25,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:25,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:37:25,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 00:37:25,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 00:37:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:37:25,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:37:25,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:25,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898097349] [2021-11-21 00:37:25,521 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:25,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206652532] [2021-11-21 00:37:25,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206652532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:25,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:25,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:37:25,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740313475] [2021-11-21 00:37:25,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:25,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:37:25,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:25,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:37:25,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:37:25,572 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:27,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:27,978 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-21 00:37:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:37:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 00:37:27,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:28,006 INFO L225 Difference]: With dead ends: 316 [2021-11-21 00:37:28,007 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:37:28,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:37:28,014 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:28,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:37:28,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:37:28,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-21 00:37:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:37:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-21 00:37:28,064 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-21 00:37:28,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:28,065 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-21 00:37:28,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-21 00:37:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 00:37:28,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:28,068 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:28,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:37:28,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:37:28,283 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:37:28,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:28,284 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-21 00:37:28,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:28,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635352037] [2021-11-21 00:37:28,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:28,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:37:28,440 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:28,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635352037] [2021-11-21 00:37:28,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635352037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:28,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:28,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:37:28,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287533680] [2021-11-21 00:37:28,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:28,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:37:28,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:28,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:37:28,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:37:28,443 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:29,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:29,781 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-21 00:37:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:37:29,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-21 00:37:29,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:29,791 INFO L225 Difference]: With dead ends: 211 [2021-11-21 00:37:29,791 INFO L226 Difference]: Without dead ends: 159 [2021-11-21 00:37:29,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:37:29,793 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:29,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 00:37:29,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-21 00:37:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-21 00:37:29,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:37:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-21 00:37:29,807 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-21 00:37:29,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:29,808 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-21 00:37:29,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-21 00:37:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:37:29,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:29,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:29,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:37:29,812 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:37:29,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:29,813 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-21 00:37:29,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:29,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895257321] [2021-11-21 00:37:29,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:29,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:29,852 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:29,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032592139] [2021-11-21 00:37:29,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:29,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:29,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:29,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:29,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:37:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:30,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:37:30,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:37:30,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:37:30,255 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:30,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895257321] [2021-11-21 00:37:30,255 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:30,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032592139] [2021-11-21 00:37:30,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032592139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:30,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:30,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:37:30,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875092075] [2021-11-21 00:37:30,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:30,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:37:30,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:30,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:37:30,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:30,260 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:32,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:32,011 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-21 00:37:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:37:32,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 00:37:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:32,031 INFO L225 Difference]: With dead ends: 277 [2021-11-21 00:37:32,031 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:37:32,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:32,033 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:32,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:37:32,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:37:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-21 00:37:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:37:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-21 00:37:32,058 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-21 00:37:32,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:32,058 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-21 00:37:32,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:37:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-21 00:37:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 00:37:32,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:32,063 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:32,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:37:32,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 00:37:32,266 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:37:32,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:32,267 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-21 00:37:32,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:32,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546215127] [2021-11-21 00:37:32,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:32,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:32,289 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:32,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610656293] [2021-11-21 00:37:32,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:32,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:32,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:32,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:32,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:37:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:32,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:37:32,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:37:32,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:37:32,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:32,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546215127] [2021-11-21 00:37:32,942 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:32,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610656293] [2021-11-21 00:37:32,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610656293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:32,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:32,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:37:32,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658640962] [2021-11-21 00:37:32,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:32,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:37:32,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:32,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:37:32,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:37:32,944 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:37:34,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:34,220 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-21 00:37:34,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:37:34,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-21 00:37:34,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:34,230 INFO L225 Difference]: With dead ends: 308 [2021-11-21 00:37:34,231 INFO L226 Difference]: Without dead ends: 164 [2021-11-21 00:37:34,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:37:34,233 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:34,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 00:37:34,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-21 00:37:34,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-21 00:37:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-21 00:37:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-21 00:37:34,252 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-21 00:37:34,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:34,252 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-21 00:37:34,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:37:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-21 00:37:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:37:34,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:34,255 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:34,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:37:34,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:34,463 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:37:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-21 00:37:34,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:34,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601740412] [2021-11-21 00:37:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:34,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:34,484 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:37:34,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875572442] [2021-11-21 00:37:34,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:34,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:37:34,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:37:34,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:37:34,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36364915-3eb7-43d0-b559-62d8cc915883/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:37:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:34,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:37:34,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:37:35,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:37:35,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:37:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:37:35,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:35,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601740412] [2021-11-21 00:37:35,225 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:37:35,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875572442] [2021-11-21 00:37:35,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875572442] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:37:35,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1423119515] [2021-11-21 00:37:35,247 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:37:35,247 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:37:35,252 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:37:35,257 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:37:35,258 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:37:35,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:37:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:37:35,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:37:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,384 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:37:35,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 00:37:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,436 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:37:35,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:37:35,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:37:35,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,581 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:37:35,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:37:35,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,655 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:37:35,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:37:35,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:37:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,737 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:37:35,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 00:37:35,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:37:35,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:37:35,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:35,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 00:37:37,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 00:37:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 00:37:37,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:37,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:37:37,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 00:37:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:37:37,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:37:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:37:37,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,942 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 00:37:37,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:37:37,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:37,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,044 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-21 00:37:38,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:37:38,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:38,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:37:38,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:37:38,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:37:38,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:37:38,759 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:37:38,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 00:37:38,787 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:37:38,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 00:37:38,815 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:37:38,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 00:37:38,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:37:38,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:37:38,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:37:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:37:39,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:37:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:37:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:37:39,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:37:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:39,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:37:46,413 WARN L227 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:37:46,414 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:37:46,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:37:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:54,630 WARN L227 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:37:54,631 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:37:54,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:38:05,397 WARN L227 SmtUtils]: Spent 10.64s 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) [2021-11-21 00:38:05,398 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:38:05,399 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 [2021-11-21 00:38:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:05,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:07,435 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:38:07,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-21 00:38:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:08,674 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:38:08,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-21 00:38:10,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:10,842 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:38:10,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 00:38:11,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:11,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:12,048 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:38:12,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-21 00:38:12,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:12,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:12,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:12,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:13,266 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:38:13,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1210 treesize of output 1926 [2021-11-21 00:38:14,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:14,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1133 treesize of output 769 [2021-11-21 00:38:15,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:16,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:16,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:16,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1201 treesize of output 769 [2021-11-21 00:38:16,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:17,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:17,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:17,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:17,963 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-11-21 00:38:17,975 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 00:38:17,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1210 treesize of output 772 [2021-11-21 00:38:18,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:18,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1133 treesize of output 769 [2021-11-21 00:38:18,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:19,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:19,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:19,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:19,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:19,591 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-21 00:38:19,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-21 00:38:20,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:20,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:20,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:20,790 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-21 00:38:20,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-21 00:38:22,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:22,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:22,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:22,253 INFO L244 Elim1Store]: Index analysis took 222 ms [2021-11-21 00:38:22,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1231 treesize of output 775 [2021-11-21 00:38:22,705 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-21 00:38:24,056 INFO L354 Elim1Store]: treesize reduction 981, result has 47.3 percent of original size [2021-11-21 00:38:24,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1231 treesize of output 1654 [2021-11-21 00:38:26,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:26,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:26,600 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-21 00:38:26,618 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-21 00:38:26,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1154 treesize of output 772 [2021-11-21 00:38:28,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:28,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:28,203 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-21 00:38:28,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-21 00:38:33,122 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 00:38:33,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 13501 treesize of output 13509 [2021-11-21 00:38:34,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:34,834 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:38:34,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-21 00:38:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:35,216 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:38:35,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-21 00:38:36,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:36,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:38:36,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 00:38:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver