./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/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_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/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_3809b49e-b586-4209-91fd-ca0140e7b394/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 eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:08:18,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:08:18,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:08:18,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:08:18,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:08:18,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:08:18,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:08:18,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:08:18,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:08:18,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:08:18,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:08:18,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:08:18,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:08:18,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:08:18,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:08:18,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:08:18,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:08:18,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:08:18,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:08:18,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:08:18,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:08:18,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:08:18,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:08:18,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:08:18,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:08:18,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:08:18,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:08:18,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:08:18,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:08:18,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:08:18,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:08:18,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:08:18,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:08:18,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:08:18,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:08:18,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:08:18,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:08:18,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:08:18,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:08:18,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:08:18,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:08:18,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:08:18,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:08:18,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:08:18,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:08:18,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:08:18,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:08:18,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:08:18,270 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:08:18,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:08:18,270 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:08:18,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:08:18,271 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:08:18,271 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:08:18,271 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:08:18,271 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:08:18,272 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:08:18,272 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:08:18,272 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:08:18,272 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:08:18,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:08:18,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:08:18,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:08:18,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:08:18,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:08:18,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:08:18,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:08:18,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:08:18,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:08:18,275 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:08:18,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:08:18,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:08:18,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:08:18,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:08:18,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:08:18,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:08:18,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:08:18,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:08:18,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:08:18,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:08:18,278 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:08:18,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:08:18,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:08:18,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:08:18,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:08:18,279 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_3809b49e-b586-4209-91fd-ca0140e7b394/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2021-11-21 01:08:18,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:08:18,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:08:18,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:08:18,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:08:18,539 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:08:18,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2021-11-21 01:08:18,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/data/eb39fc3c7/7c23d47437494f2a9a53a879985249f7/FLAGea143a660 [2021-11-21 01:08:19,305 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:08:19,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2021-11-21 01:08:19,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/data/eb39fc3c7/7c23d47437494f2a9a53a879985249f7/FLAGea143a660 [2021-11-21 01:08:19,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/data/eb39fc3c7/7c23d47437494f2a9a53a879985249f7 [2021-11-21 01:08:19,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:08:19,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:08:19,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:08:19,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:08:19,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:08:19,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:08:19" (1/1) ... [2021-11-21 01:08:19,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc5a609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:19, skipping insertion in model container [2021-11-21 01:08:19,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:08:19" (1/1) ... [2021-11-21 01:08:19,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:08:19,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:08:20,161 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_3809b49e-b586-4209-91fd-ca0140e7b394/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[33021,33034] [2021-11-21 01:08:20,291 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_3809b49e-b586-4209-91fd-ca0140e7b394/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[44590,44603] [2021-11-21 01:08:20,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:08:20,327 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:08:20,365 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_3809b49e-b586-4209-91fd-ca0140e7b394/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[33021,33034] [2021-11-21 01:08:20,534 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_3809b49e-b586-4209-91fd-ca0140e7b394/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i[44590,44603] [2021-11-21 01:08:20,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:08:20,603 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:08:20,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20 WrapperNode [2021-11-21 01:08:20,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:08:20,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:08:20,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:08:20,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:08:20,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,750 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 01:08:20,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:08:20,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:08:20,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:08:20,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:08:20,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:08:20,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:08:20,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:08:20,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:08:20,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (1/1) ... [2021-11-21 01:08:20,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:08:20,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:20,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:08:20,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:08:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:08:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:08:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:08:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:08:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:08:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:08:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:08:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:08:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:08:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:08:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:08:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:08:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:08:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:08:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:08:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:08:21,376 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:08:21,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:08:22,424 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:08:22,884 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:08:22,884 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 01:08:22,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:08:22 BoogieIcfgContainer [2021-11-21 01:08:22,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:08:22,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:08:22,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:08:22,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:08:22,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:08:19" (1/3) ... [2021-11-21 01:08:22,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7a13f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:08:22, skipping insertion in model container [2021-11-21 01:08:22,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:08:20" (2/3) ... [2021-11-21 01:08:22,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7a13f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:08:22, skipping insertion in model container [2021-11-21 01:08:22,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:08:22" (3/3) ... [2021-11-21 01:08:22,903 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-1.i [2021-11-21 01:08:22,910 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:08:22,910 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 01:08:22,968 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:08:22,980 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 01:08:22,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 01:08:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:08:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:08:23,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:23,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:08:23,009 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:08:23,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:23,019 INFO L85 PathProgramCache]: Analyzing trace with hash 26287934, now seen corresponding path program 1 times [2021-11-21 01:08:23,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:23,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026540523] [2021-11-21 01:08:23,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:23,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:23,178 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:23,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326549112] [2021-11-21 01:08:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:23,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:23,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:23,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:23,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:08:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:23,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:08:23,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:23,546 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 01:08:23,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 01:08:23,673 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 01:08:23,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:23,674 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:23,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026540523] [2021-11-21 01:08:23,674 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:23,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326549112] [2021-11-21 01:08:23,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326549112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:23,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:23,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:08:23,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718684839] [2021-11-21 01:08:23,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:23,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:08:23,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:23,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:08:23,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:08:23,715 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:25,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:25,530 INFO L93 Difference]: Finished difference Result 341 states and 581 transitions. [2021-11-21 01:08:25,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:08:25,538 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 01:08:25,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:25,548 INFO L225 Difference]: With dead ends: 341 [2021-11-21 01:08:25,548 INFO L226 Difference]: Without dead ends: 208 [2021-11-21 01:08:25,552 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 01:08:25,555 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:25,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 01:08:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-21 01:08:25,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 136. [2021-11-21 01:08:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:08:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-21 01:08:25,604 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-21 01:08:25,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:25,604 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-21 01:08:25,604 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 01:08:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-21 01:08:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:08:25,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:25,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:08:25,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:08:25,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:08:25,826 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:08:25,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash 554609707, now seen corresponding path program 1 times [2021-11-21 01:08:25,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037781552] [2021-11-21 01:08:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:25,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:25,931 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 01:08:25,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:25,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037781552] [2021-11-21 01:08:25,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037781552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:25,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:25,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:08:25,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388248] [2021-11-21 01:08:25,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:25,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:08:25,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:25,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:08:25,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:08:25,935 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:28,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:28,133 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-21 01:08:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:08:28,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-21 01:08:28,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:28,144 INFO L225 Difference]: With dead ends: 266 [2021-11-21 01:08:28,145 INFO L226 Difference]: Without dead ends: 195 [2021-11-21 01:08:28,146 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 01:08:28,148 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:28,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 01:08:28,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-21 01:08:28,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-21 01:08:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:08:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-21 01:08:28,177 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-21 01:08:28,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:28,177 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-21 01:08:28,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-21 01:08:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:08:28,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:28,180 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 01:08:28,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:08:28,181 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:08:28,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash 488272890, now seen corresponding path program 1 times [2021-11-21 01:08:28,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:28,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463243619] [2021-11-21 01:08:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:28,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:28,209 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:28,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113184120] [2021-11-21 01:08:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:28,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:28,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:28,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:08:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:28,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:08:28,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:28,726 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 01:08:28,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:28,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:28,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463243619] [2021-11-21 01:08:28,727 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:28,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113184120] [2021-11-21 01:08:28,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113184120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:28,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:28,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:08:28,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846204242] [2021-11-21 01:08:28,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:28,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:08:28,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:28,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:08:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:08:28,731 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:08:30,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:08:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:31,073 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-21 01:08:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:08:31,086 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 01:08:31,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:31,088 INFO L225 Difference]: With dead ends: 332 [2021-11-21 01:08:31,088 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 01:08:31,089 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 01:08:31,091 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:31,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:08:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 01:08:31,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-21 01:08:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:08:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-21 01:08:31,109 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-21 01:08:31,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:31,110 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-21 01:08:31,110 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 01:08:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-21 01:08:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:08:31,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:31,112 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 01:08:31,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:08:31,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:31,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:08:31,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:31,319 INFO L85 PathProgramCache]: Analyzing trace with hash -601106124, now seen corresponding path program 1 times [2021-11-21 01:08:31,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:31,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885929754] [2021-11-21 01:08:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:31,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:31,340 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:31,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136429078] [2021-11-21 01:08:31,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:31,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:31,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:31,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:31,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:08:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:31,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:08:31,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:08:31,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:08:31,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:31,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885929754] [2021-11-21 01:08:31,839 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:31,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136429078] [2021-11-21 01:08:31,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136429078] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:08:31,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:08:31,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:08:31,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315296467] [2021-11-21 01:08:31,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:08:31,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:08:31,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:08:31,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:08:31,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:08:31,843 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:08:33,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:08:34,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:08:34,177 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-21 01:08:34,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:08:34,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-21 01:08:34,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:08:34,184 INFO L225 Difference]: With dead ends: 346 [2021-11-21 01:08:34,184 INFO L226 Difference]: Without dead ends: 183 [2021-11-21 01:08:34,185 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 01:08:34,186 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:08:34,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:08:34,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-21 01:08:34,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-21 01:08:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 01:08:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-21 01:08:34,207 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-21 01:08:34,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:08:34,208 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-21 01:08:34,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:08:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-21 01:08:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:08:34,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:08:34,210 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 01:08:34,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 01:08:34,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:34,426 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:08:34,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:08:34,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1335578956, now seen corresponding path program 1 times [2021-11-21 01:08:34,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:08:34,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183290425] [2021-11-21 01:08:34,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:34,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:08:34,444 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:08:34,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [891234795] [2021-11-21 01:08:34,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:08:34,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:08:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:08:34,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:08:34,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3809b49e-b586-4209-91fd-ca0140e7b394/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:08:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:08:35,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:08:35,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:08:35,200 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 01:08:35,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:08:35,400 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 01:08:35,400 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:08:35,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183290425] [2021-11-21 01:08:35,400 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:08:35,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891234795] [2021-11-21 01:08:35,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891234795] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:08:35,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [843872879] [2021-11-21 01:08:35,441 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:08:35,442 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:08:35,447 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:08:35,453 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:08:35,453 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:08:35,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:08:35,575 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 01:08:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,619 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:08:35,622 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 01:08:35,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:08:35,700 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 01:08:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,862 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:08:35,863 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 01:08:35,894 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 01:08:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:35,943 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 01:08:35,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 01:08:35,996 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 01:08:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,077 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:08:36,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:08:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:36,398 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 01:08:36,436 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 01:08:36,483 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 01:08:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,197 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 01:08:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,231 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 01:08:38,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,327 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 01:08:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,372 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 01:08:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,496 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 01:08:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,562 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 01:08:38,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,655 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 01:08:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,852 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:08:38,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:08:38,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,910 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 01:08:38,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:38,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,000 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:08:39,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 01:08:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,099 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 01:08:39,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 01:08:39,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:39,254 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 01:08:39,804 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 01:08:39,811 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 01:08:39,820 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 01:08:39,883 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:08:39,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 01:08:39,909 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:08:39,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 01:08:39,939 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:08:39,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 01:08:40,016 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 01:08:40,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:08:40,036 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 01:08:40,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,124 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 01:08:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,170 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 01:08:40,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,215 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 01:08:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,570 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 01:08:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,645 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 01:08:40,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:08:40,732 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 01:08:48,167 WARN L227 SmtUtils]: Spent 7.30s 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 01:08:48,168 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:08:48,168 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 01:08:48,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:00,342 WARN L227 SmtUtils]: Spent 12.11s 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 01:09:00,342 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:09:00,343 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 01:09:13,187 WARN L227 SmtUtils]: Spent 12.67s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:09:13,188 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:09:13,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 01:09:13,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:13,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:15,091 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 01:09:15,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 01:09:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:15,999 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:09:16,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 01:09:18,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:18,700 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:09:18,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:09:19,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:19,946 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:09:19,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 01:09:22,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:22,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:23,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:24,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:25,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:25,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:26,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:26,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:26,947 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:27,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:28,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:29,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:30,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:30,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:30,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:30,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:33,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:34,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:36,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:36,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:36,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:36,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:09:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:36,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:09:36,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1319 treesize of output 865 [2021-11-21 01:09:38,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:38,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:45,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:46,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:47,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:48,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:49,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:49,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:50,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:50,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:50,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:50,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:54,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:54,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:55,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:56,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:57,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:57,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:58,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:58,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:58,804 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:09:58,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:10:09,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:09,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,823 INFO L244 Elim1Store]: Index analysis took 476 ms [2021-11-21 01:10:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:09,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:10,059 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-21 01:10:10,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4848 treesize of output 3280 [2021-11-21 01:10:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:11,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:11,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:11,453 INFO L244 Elim1Store]: Index analysis took 410 ms [2021-11-21 01:10:11,945 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-21 01:10:11,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4904 treesize of output 3326 [2021-11-21 01:10:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:13,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:14,172 INFO L244 Elim1Store]: Index analysis took 471 ms [2021-11-21 01:10:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:20,283 WARN L227 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 112 DAG size of output: 81 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:10:20,284 INFO L354 Elim1Store]: treesize reduction 6592, result has 45.3 percent of original size [2021-11-21 01:10:20,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 4848 treesize of output 8650 [2021-11-21 01:10:22,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:22,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:22,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:23,432 INFO L244 Elim1Store]: Index analysis took 695 ms [2021-11-21 01:10:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:24,433 INFO L354 Elim1Store]: treesize reduction 460, result has 0.2 percent of original size [2021-11-21 01:10:24,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 5685 treesize of output 3935 [2021-11-21 01:10:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:29,213 INFO L244 Elim1Store]: Index analysis took 1122 ms [2021-11-21 01:10:29,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:41,197 WARN L227 SmtUtils]: Spent 9.58s on a formula simplification. DAG size of input: 152 DAG size of output: 97 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:10:41,198 INFO L354 Elim1Store]: treesize reduction 8966, result has 44.9 percent of original size [2021-11-21 01:10:41,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 4869 treesize of output 10502 [2021-11-21 01:10:45,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:10:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:46,000 INFO L244 Elim1Store]: Index analysis took 685 ms [2021-11-21 01:10:46,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:49,494 INFO L354 Elim1Store]: treesize reduction 6628, result has 45.3 percent of original size [2021-11-21 01:10:49,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5363 treesize of output 9105 [2021-11-21 01:10:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:10:57,083 INFO L244 Elim1Store]: Index analysis took 344 ms [2021-11-21 01:10:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:00,262 INFO L354 Elim1Store]: treesize reduction 7616, result has 37.8 percent of original size [2021-11-21 01:11:00,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 5083 treesize of output 7963 [2021-11-21 01:11:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:27,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:11:28,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:29,009 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 01:11:29,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 01:11:29,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:11:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:30,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 01:11:42,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:11:43,491 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 01:11:43,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76011 treesize of output 76025 [2021-11-21 01:14:09,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver