./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/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_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:45:28,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:45:28,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:45:28,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:45:28,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:45:28,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:45:28,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:45:28,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:45:28,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:45:28,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:45:28,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:45:28,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:45:28,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:45:28,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:45:28,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:45:28,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:45:28,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:45:28,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:45:28,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:45:28,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:45:28,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:45:28,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:45:28,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:45:28,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:45:28,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:45:28,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:45:28,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:45:28,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:45:28,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:45:28,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:45:28,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:45:28,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:45:28,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:45:28,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:45:28,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:45:28,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:45:28,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:45:28,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:45:28,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:45:28,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:45:28,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:45:28,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:45:28,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:45:28,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:45:28,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:45:28,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:45:28,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:45:28,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:45:28,424 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:45:28,425 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:45:28,425 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:45:28,426 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:45:28,427 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:45:28,427 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:45:28,428 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:45:28,428 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:45:28,428 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:45:28,429 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:45:28,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:45:28,429 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:45:28,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:45:28,431 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:45:28,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:45:28,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:45:28,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:45:28,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:45:28,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:45:28,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:45:28,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:45:28,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:45:28,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:45:28,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:45:28,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:45:28,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:45:28,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:45:28,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:45:28,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:45:28,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:45:28,439 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:45:28,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:45:28,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:45:28,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:45:28,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:45:28,440 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_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2021-11-21 00:45:28,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:45:28,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:45:28,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:45:28,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:45:28,822 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:45:28,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-21 00:45:28,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/data/c0eb506a6/25a3d4e457634c2f8987bca6a31cc993/FLAGcfa6dd720 [2021-11-21 00:45:29,710 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:45:29,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-21 00:45:29,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/data/c0eb506a6/25a3d4e457634c2f8987bca6a31cc993/FLAGcfa6dd720 [2021-11-21 00:45:29,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/data/c0eb506a6/25a3d4e457634c2f8987bca6a31cc993 [2021-11-21 00:45:29,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:45:29,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:45:29,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:45:29,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:45:29,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:45:29,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:45:29" (1/1) ... [2021-11-21 00:45:29,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbd1f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:29, skipping insertion in model container [2021-11-21 00:45:29,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:45:29" (1/1) ... [2021-11-21 00:45:29,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:45:29,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:45:30,697 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_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-21 00:45:31,127 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_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-21 00:45:31,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:45:31,173 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:45:31,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-21 00:45:31,396 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_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-21 00:45:31,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:45:31,454 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:45:31,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31 WrapperNode [2021-11-21 00:45:31,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:45:31,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:45:31,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:45:31,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:45:31,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,694 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3019 [2021-11-21 00:45:31,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:45:31,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:45:31,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:45:31,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:45:31,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:45:31,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:45:31,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:45:31,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:45:31,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (1/1) ... [2021-11-21 00:45:31,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:45:31,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:45:31,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:45:32,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:45:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:45:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:45:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:45:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:45:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:45:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:45:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:45:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:45:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:45:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:45:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:45:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:45:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:45:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:45:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:45:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:45:32,391 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:45:32,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:45:35,262 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:45:35,934 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:45:35,934 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:45:35,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:45:35 BoogieIcfgContainer [2021-11-21 00:45:35,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:45:35,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:45:35,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:45:35,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:45:35,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:45:29" (1/3) ... [2021-11-21 00:45:35,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc8de44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:45:35, skipping insertion in model container [2021-11-21 00:45:35,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:45:31" (2/3) ... [2021-11-21 00:45:35,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc8de44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:45:35, skipping insertion in model container [2021-11-21 00:45:35,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:45:35" (3/3) ... [2021-11-21 00:45:35,950 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2021-11-21 00:45:35,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:45:35,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 00:45:36,024 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:45:36,033 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:45:36,033 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 00:45:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-21 00:45:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:45:36,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:45:36,101 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:45:36,101 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:45:36,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:45:36,108 INFO L85 PathProgramCache]: Analyzing trace with hash -258845898, now seen corresponding path program 1 times [2021-11-21 00:45:36,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:45:36,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986503252] [2021-11-21 00:45:36,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:36,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:45:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:45:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:45:36,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:45:36,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986503252] [2021-11-21 00:45:36,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986503252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:45:36,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:45:36,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:45:36,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192787247] [2021-11-21 00:45:36,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:45:36,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:45:36,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:45:36,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:45:36,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:45:36,360 INFO L87 Difference]: Start difference. First operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:45:37,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:45:37,174 INFO L93 Difference]: Finished difference Result 2225 states and 4887 transitions. [2021-11-21 00:45:37,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:45:37,185 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-21 00:45:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:45:37,247 INFO L225 Difference]: With dead ends: 2225 [2021-11-21 00:45:37,247 INFO L226 Difference]: Without dead ends: 1097 [2021-11-21 00:45:37,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:45:37,279 INFO L933 BasicCegarLoop]: 2111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:45:37,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2111 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:45:37,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-21 00:45:37,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-21 00:45:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-21 00:45:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2021-11-21 00:45:37,820 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2021-11-21 00:45:37,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:45:37,821 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2021-11-21 00:45:37,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:45:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2021-11-21 00:45:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:45:37,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:45:37,825 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] [2021-11-21 00:45:37,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:45:37,826 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:45:37,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:45:37,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1120515419, now seen corresponding path program 1 times [2021-11-21 00:45:37,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:45:37,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14824449] [2021-11-21 00:45:37,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:37,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:45:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:45:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:45:37,993 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:45:37,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14824449] [2021-11-21 00:45:37,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14824449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:45:37,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:45:37,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:45:37,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081210287] [2021-11-21 00:45:37,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:45:37,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:45:37,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:45:37,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:45:37,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:45:37,997 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:45:41,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:45:41,577 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2021-11-21 00:45:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:45:41,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-21 00:45:41,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:45:41,617 INFO L225 Difference]: With dead ends: 3192 [2021-11-21 00:45:41,617 INFO L226 Difference]: Without dead ends: 2148 [2021-11-21 00:45:41,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:45:41,628 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:45:41,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 6754 Invalid, 582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 00:45:41,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2021-11-21 00:45:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2021-11-21 00:45:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-21 00:45:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2021-11-21 00:45:42,300 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2021-11-21 00:45:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:45:42,301 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2021-11-21 00:45:42,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:45:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2021-11-21 00:45:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 00:45:42,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:45:42,304 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:45:42,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:45:42,305 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:45:42,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:45:42,306 INFO L85 PathProgramCache]: Analyzing trace with hash -440666121, now seen corresponding path program 1 times [2021-11-21 00:45:42,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:45:42,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537913665] [2021-11-21 00:45:42,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:42,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:45:42,331 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:45:42,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5566598] [2021-11-21 00:45:42,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:42,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:45:42,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:45:42,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:45:42,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:45:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:45:42,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:45:42,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:45:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:45:42,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:45:42,845 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:45:42,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537913665] [2021-11-21 00:45:42,846 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:45:42,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5566598] [2021-11-21 00:45:42,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5566598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:45:42,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:45:42,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:45:42,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384916245] [2021-11-21 00:45:42,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:45:42,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:45:42,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:45:42,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:45:42,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:45:42,855 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:45:44,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:45:44,487 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2021-11-21 00:45:44,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:45:44,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-21 00:45:44,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:45:44,523 INFO L225 Difference]: With dead ends: 3230 [2021-11-21 00:45:44,524 INFO L226 Difference]: Without dead ends: 2134 [2021-11-21 00:45:44,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:45:44,534 INFO L933 BasicCegarLoop]: 2612 mSDtfsCounter, 1033 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:45:44,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 00:45:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2021-11-21 00:45:45,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2021-11-21 00:45:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-21 00:45:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2021-11-21 00:45:45,036 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2021-11-21 00:45:45,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:45:45,037 INFO L470 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2021-11-21 00:45:45,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:45:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2021-11-21 00:45:45,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:45:45,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:45:45,041 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:45:45,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:45:45,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:45:45,257 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:45:45,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:45:45,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1581662633, now seen corresponding path program 1 times [2021-11-21 00:45:45,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:45:45,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369863084] [2021-11-21 00:45:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:45,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:45:45,281 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:45:45,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903502746] [2021-11-21 00:45:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:45,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:45:45,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:45:45,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:45:45,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:45:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:45:45,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:45:45,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:45:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:45:45,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:45:45,743 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:45:45,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369863084] [2021-11-21 00:45:45,744 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:45:45,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903502746] [2021-11-21 00:45:45,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903502746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:45:45,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:45:45,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:45:45,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496451400] [2021-11-21 00:45:45,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:45:45,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:45:45,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:45:45,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:45:45,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:45:45,746 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:45:47,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:45:49,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:45:49,073 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2021-11-21 00:45:49,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:45:49,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-21 00:45:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:45:49,086 INFO L225 Difference]: With dead ends: 3228 [2021-11-21 00:45:49,086 INFO L226 Difference]: Without dead ends: 1112 [2021-11-21 00:45:49,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:45:49,101 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 2143 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:45:49,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 3126 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 00:45:49,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-11-21 00:45:49,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2021-11-21 00:45:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-21 00:45:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2021-11-21 00:45:49,336 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2021-11-21 00:45:49,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:45:49,339 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2021-11-21 00:45:49,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:45:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2021-11-21 00:45:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:45:49,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:45:49,345 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:45:49,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:45:49,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:45:49,560 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:45:49,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:45:49,561 INFO L85 PathProgramCache]: Analyzing trace with hash -425682233, now seen corresponding path program 1 times [2021-11-21 00:45:49,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:45:49,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425742489] [2021-11-21 00:45:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:49,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:45:49,591 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:45:49,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217127433] [2021-11-21 00:45:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:49,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:45:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:45:49,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:45:49,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:45:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:45:50,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:45:50,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:45:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:45:50,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:45:50,368 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:45:50,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425742489] [2021-11-21 00:45:50,368 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:45:50,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217127433] [2021-11-21 00:45:50,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217127433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:45:50,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:45:50,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:45:50,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605570289] [2021-11-21 00:45:50,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:45:50,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:45:50,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:45:50,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:45:50,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:45:50,371 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:45:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:45:52,010 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2021-11-21 00:45:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:45:52,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 00:45:52,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:45:52,040 INFO L225 Difference]: With dead ends: 2207 [2021-11-21 00:45:52,041 INFO L226 Difference]: Without dead ends: 1114 [2021-11-21 00:45:52,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:45:52,050 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 1 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:45:52,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 6284 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 00:45:52,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-21 00:45:52,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2021-11-21 00:45:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2021-11-21 00:45:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2021-11-21 00:45:52,312 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2021-11-21 00:45:52,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:45:52,314 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2021-11-21 00:45:52,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:45:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2021-11-21 00:45:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:45:52,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:45:52,320 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:45:52,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:45:52,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:45:52,548 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:45:52,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:45:52,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1544494779, now seen corresponding path program 1 times [2021-11-21 00:45:52,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:45:52,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323788556] [2021-11-21 00:45:52,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:52,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:45:52,580 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:45:52,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384538983] [2021-11-21 00:45:52,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:45:52,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:45:52,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:45:52,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:45:52,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ca105c-2dd3-43f0-b9f6-d56a179a91f4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:45:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:45:53,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:45:53,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:45:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:45:53,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:45:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:45:53,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:45:53,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323788556] [2021-11-21 00:45:53,941 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:45:53,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384538983] [2021-11-21 00:45:53,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384538983] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:45:53,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [755049245] [2021-11-21 00:45:53,967 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-21 00:45:53,967 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:45:53,973 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:45:53,979 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:45:53,980 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:45:54,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:45:54,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:45:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,200 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:45:54,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 00:45:54,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:45:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,274 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:45:54,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:45:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,452 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:45:54,453 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 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-21 00:45:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,536 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:45:54,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:45:54,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:45:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:45:54,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:54,724 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:45:54,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:45:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:45:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:45:56,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,684 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 89 treesize of output 77 [2021-11-21 00:45:56,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,717 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 74 treesize of output 76 [2021-11-21 00:45:56,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-21 00:45:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:56,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-21 00:45:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:45:57,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:45:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,198 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:45:57,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:45:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:45:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,473 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 00:45:57,473 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 127 treesize of output 163 [2021-11-21 00:45:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,564 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:45:57,565 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 145 treesize of output 156 [2021-11-21 00:45:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:57,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:45:58,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:45:58,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:45:58,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:45:58,433 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:45:58,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 00:45:58,461 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:45:58,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 00:45:58,493 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:45:58,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 00:45:58,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:45:58,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:45:58,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:45:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:45:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:45:58,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:58,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:45:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:45:59,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:45:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:45:59,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:46:07,542 WARN L227 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:46:07,542 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:46:07,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:46:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:21,264 WARN L227 SmtUtils]: Spent 13.67s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:46:21,265 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:46:21,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:46:31,281 WARN L227 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:46:31,282 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:46:31,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 00:46:31,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:31,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:31,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:33,252 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:46:33,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-21 00:46:33,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:33,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:34,166 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:46:34,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-21 00:46:35,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:46:36,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,195 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:46:36,195 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 38 treesize of output 20 [2021-11-21 00:46:36,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:46:36,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:46:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:37,447 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:46:37,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46