./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.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_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/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_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/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_65e0e393-9aba-405b-96d3-a7a127374955/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 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:48:44,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:48:44,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:48:44,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:48:44,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:48:44,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:48:44,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:48:44,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:48:44,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:48:44,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:48:44,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:48:44,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:48:44,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:48:44,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:48:44,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:48:44,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:48:44,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:48:44,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:48:44,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:48:44,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:48:44,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:48:44,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:48:44,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:48:44,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:48:44,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:48:44,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:48:44,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:48:44,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:48:44,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:48:44,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:48:44,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:48:44,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:48:44,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:48:44,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:48:44,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:48:44,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:48:44,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:48:44,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:48:44,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:48:44,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:48:44,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:48:44,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 22:48:44,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:48:44,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:48:44,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:48:44,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:48:44,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:48:44,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:48:44,580 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:48:44,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:48:44,581 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:48:44,581 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:48:44,582 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:48:44,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:48:44,583 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:48:44,583 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:48:44,583 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:48:44,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:48:44,583 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:48:44,584 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:48:44,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:48:44,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:48:44,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:48:44,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:48:44,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:48:44,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:48:44,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:48:44,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:48:44,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:48:44,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:48:44,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:48:44,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:48:44,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:48:44,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:48:44,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:48:44,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:48:44,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:48:44,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:48:44,598 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:48:44,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:48:44,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:48:44,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:48:44,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:48:44,599 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_65e0e393-9aba-405b-96d3-a7a127374955/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3b69410d84404822a26401b92e2c10c65259dbe30a6f843124f3a9a51940ad [2021-11-20 22:48:44,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:48:44,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:48:44,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:48:44,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:48:44,919 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:48:44,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2021-11-20 22:48:45,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/data/40f61f376/670a18b45914469291dad5004acd9013/FLAG8955c4ad5 [2021-11-20 22:48:45,698 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:48:45,698 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i [2021-11-20 22:48:45,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/data/40f61f376/670a18b45914469291dad5004acd9013/FLAG8955c4ad5 [2021-11-20 22:48:45,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/data/40f61f376/670a18b45914469291dad5004acd9013 [2021-11-20 22:48:45,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:48:45,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:48:45,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:48:45,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:48:45,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:48:45,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:45" (1/1) ... [2021-11-20 22:48:45,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396f9c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:45, skipping insertion in model container [2021-11-20 22:48:45,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:45" (1/1) ... [2021-11-20 22:48:45,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:48:46,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:48:46,558 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_65e0e393-9aba-405b-96d3-a7a127374955/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[33021,33034] [2021-11-20 22:48:46,724 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_65e0e393-9aba-405b-96d3-a7a127374955/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[49681,49694] [2021-11-20 22:48:46,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:48:46,772 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:48:46,823 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_65e0e393-9aba-405b-96d3-a7a127374955/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[33021,33034] [2021-11-20 22:48:46,889 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_65e0e393-9aba-405b-96d3-a7a127374955/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-2.i[49681,49694] [2021-11-20 22:48:46,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:48:46,990 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:48:46,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46 WrapperNode [2021-11-20 22:48:46,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:48:46,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:48:46,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:48:46,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:48:47,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,172 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-20 22:48:47,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:48:47,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:48:47,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:48:47,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:48:47,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:48:47,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:48:47,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:48:47,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:48:47,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (1/1) ... [2021-11-20 22:48:47,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:48:47,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:48:47,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:48:47,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:48:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 22:48:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 22:48:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 22:48:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 22:48:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 22:48:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 22:48:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 22:48:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:48:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 22:48:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 22:48:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 22:48:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 22:48:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 22:48:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:48:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:48:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:48:47,694 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:48:47,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:48:49,249 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:48:49,736 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:48:49,736 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-20 22:48:49,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:49 BoogieIcfgContainer [2021-11-20 22:48:49,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:48:49,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:48:49,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:48:49,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:48:49,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:48:45" (1/3) ... [2021-11-20 22:48:49,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4444d455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:49, skipping insertion in model container [2021-11-20 22:48:49,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46" (2/3) ... [2021-11-20 22:48:49,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4444d455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:49, skipping insertion in model container [2021-11-20 22:48:49,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:49" (3/3) ... [2021-11-20 22:48:49,747 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-2.i [2021-11-20 22:48:49,753 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:48:49,753 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 22:48:49,801 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:48:49,808 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:48:49,808 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 22:48:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 22:48:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 22:48:49,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:48:49,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 22:48:49,834 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:48:49,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:48:49,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-20 22:48:49,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:48:49,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460682759] [2021-11-20 22:48:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:49,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:48:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:48:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:48:50,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:48:50,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460682759] [2021-11-20 22:48:50,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460682759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:48:50,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:48:50,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:48:50,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099068033] [2021-11-20 22:48:50,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:48:50,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:48:50,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:48:50,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:48:50,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:48:50,041 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:48:52,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:48:52,033 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-20 22:48:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:48:52,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-20 22:48:52,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:48:52,057 INFO L225 Difference]: With dead ends: 469 [2021-11-20 22:48:52,058 INFO L226 Difference]: Without dead ends: 290 [2021-11-20 22:48:52,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:48:52,066 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 22:48:52,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 22:48:52,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-20 22:48:52,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-20 22:48:52,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 22:48:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-20 22:48:52,125 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-20 22:48:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:48:52,126 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-20 22:48:52,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:48:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-20 22:48:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 22:48:52,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:48:52,136 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:48:52,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 22:48:52,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:48:52,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:48:52,137 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-20 22:48:52,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:48:52,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586202613] [2021-11-20 22:48:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:52,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:48:52,167 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:48:52,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464650155] [2021-11-20 22:48:52,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:52,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:48:52,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:48:52,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:48:52,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 22:48:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:48:52,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:48:52,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:48:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:48:52,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:48:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:48:52,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:48:52,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586202613] [2021-11-20 22:48:52,918 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:48:52,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464650155] [2021-11-20 22:48:52,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464650155] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:48:52,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [161875701] [2021-11-20 22:48:52,961 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-20 22:48:52,961 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:48:52,970 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:48:52,976 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:48:52,977 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:48:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,201 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 22:48:53,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 22:48:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 22:48:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,302 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 [2021-11-20 22:48:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:48:53,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,333 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 22:48:53,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 22:48:53,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,410 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:48:53,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 22:48:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 22:48:53,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:53,526 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 22 treesize of output 7 [2021-11-20 22:48:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:48:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:48:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:48:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:55,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:48:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:48:56,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:48:56,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:48:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:48:56,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:48:56,533 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 22:48:57,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [161875701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:48:57,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:48:57,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-20 22:48:57,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211067465] [2021-11-20 22:48:57,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:48:57,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 22:48:57,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:48:57,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 22:48:57,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:48:57,189 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:49:00,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:00,053 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-20 22:49:00,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 22:49:00,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-11-20 22:49:00,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:00,055 INFO L225 Difference]: With dead ends: 313 [2021-11-20 22:49:00,056 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 22:49:00,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:49:00,058 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:00,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-20 22:49:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 22:49:00,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-20 22:49:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 22:49:00,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-20 22:49:00,079 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-20 22:49:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:00,079 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-20 22:49:00,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:49:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-20 22:49:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 22:49:00,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:00,083 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:00,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:00,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:49:00,310 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:00,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-20 22:49:00,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:49:00,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096091922] [2021-11-20 22:49:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:00,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:49:00,331 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:49:00,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1705371389] [2021-11-20 22:49:00,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:00,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:49:00,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:49:00,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:49:00,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 22:49:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:00,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:00,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:49:00,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:49:01,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:49:01,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096091922] [2021-11-20 22:49:01,018 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:49:01,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705371389] [2021-11-20 22:49:01,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705371389] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:49:01,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [105628916] [2021-11-20 22:49:01,023 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-20 22:49:01,023 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:49:01,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:49:01,024 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:49:01,024 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:49:01,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,139 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 22:49:01,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 22:49:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 22:49:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,235 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 [2021-11-20 22:49:01,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,272 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:49:01,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 22:49:01,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,333 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 [2021-11-20 22:49:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,390 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:49:01,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 22:49:01,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:01,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:49:01,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 22:49:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:49:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:49:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:49:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:02,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:49:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 22:49:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:49:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:49:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,349 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 22:49:03,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:49:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:49:03,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 22:49:03,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,567 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-20 22:49:03,568 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 [2021-11-20 22:49:03,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:03,635 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 22:49:03,636 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 [2021-11-20 22:49:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:49:05,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:49:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:49:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:49:05,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:49:05,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 22:49:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:49:05,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 22:49:05,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,051 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 22:49:06,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 22:49:06,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,121 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 22:49:06,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 22:49:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:49:06,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:06,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:49:07,090 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-20 22:49:07,368 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 22:49:08,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [105628916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:08,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:49:08,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-20 22:49:08,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412078505] [2021-11-20 22:49:08,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:08,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 22:49:08,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:49:08,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 22:49:08,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 22:49:08,554 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:49:12,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:49:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:14,544 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-20 22:49:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 22:49:14,544 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-20 22:49:14,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:14,546 INFO L225 Difference]: With dead ends: 315 [2021-11-20 22:49:14,546 INFO L226 Difference]: Without dead ends: 166 [2021-11-20 22:49:14,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 22:49:14,549 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:14,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 314 Invalid, 0 Unknown, 81 Unchecked, 6.0s Time] [2021-11-20 22:49:14,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-20 22:49:14,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-20 22:49:14,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 22:49:14,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-20 22:49:14,567 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-20 22:49:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:14,568 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-20 22:49:14,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 22:49:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-20 22:49:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 22:49:14,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:14,572 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:14,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:49:14,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:49:14,798 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 22:49:14,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:14,798 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-20 22:49:14,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:49:14,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636383756] [2021-11-20 22:49:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:14,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:49:14,812 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:49:14,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177553136] [2021-11-20 22:49:14,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:14,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:49:14,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:49:14,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:49:14,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e0e393-9aba-405b-96d3-a7a127374955/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 22:49:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:15,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:49:15,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:49:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 22:49:15,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:49:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 22:49:15,490 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:49:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636383756] [2021-11-20 22:49:15,490 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:49:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177553136] [2021-11-20 22:49:15,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177553136] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:49:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [622003266] [2021-11-20 22:49:15,495 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-20 22:49:15,495 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:49:15,496 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:49:15,496 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:49:15,496 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:49:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,594 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 22:49:15,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 22:49:15,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 22:49:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,714 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:49:15,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 22:49:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,799 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:49:15,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 22:49:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:49:15,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 22:49:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2021-11-20 22:49:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:15,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2021-11-20 22:49:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 22:49:17,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:49:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:49:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:49:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:49:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:49:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 22:49:17,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,509 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 22:49:17,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 22:49:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 22:49:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,674 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 22:49:17,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 22:49:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,762 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-20 22:49:17,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 22:49:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:17,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:49:18,350 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 [2021-11-20 22:49:18,357 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 [2021-11-20 22:49:18,362 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 [2021-11-20 22:49:18,418 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 22:49:18,419 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 [2021-11-20 22:49:18,448 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 22:49:18,449 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 [2021-11-20 22:49:18,474 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 22:49:18,474 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 [2021-11-20 22:49:18,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:49:18,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:49:18,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:49:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 22:49:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:49:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:18,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:49:19,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:49:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 22:49:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:19,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:49:27,198 WARN L227 SmtUtils]: Spent 7.80s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:49:27,198 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 22:49:27,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 22:49:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:37,486 WARN L227 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:49:37,486 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 22:49:37,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 22:49:47,673 WARN L227 SmtUtils]: Spent 10.06s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:49:47,674 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 22:49:47,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-20 22:49:48,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:48,672 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 22:49:48,672 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 25950 treesize of output 25964 [2021-11-20 22:49:48,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:48,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:49,720 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 22:49:49,721 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 25949 treesize of output 25964 [2021-11-20 22:49:51,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:51,535 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 22:49:51,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-20 22:49:51,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:49:52,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:49:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:49:52,908 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 22:49:52,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44