./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V --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 e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:20:13,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:20:13,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:20:13,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:20:13,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:20:13,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:20:13,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:20:13,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:20:13,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:20:13,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:20:13,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:20:13,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:20:13,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:20:13,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:20:13,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:20:13,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:20:13,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:20:13,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:20:13,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:20:13,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:20:13,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:20:13,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:20:13,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:20:13,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:20:13,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:20:13,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:20:13,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:20:13,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:20:13,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:20:13,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:20:13,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:20:13,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:20:13,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:20:13,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:20:13,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:20:13,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:20:13,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:20:13,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:20:13,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:20:13,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:20:13,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:20:13,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:20:13,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:20:13,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:20:13,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:20:13,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:20:13,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:20:13,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:20:13,526 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:20:13,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:20:13,526 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:20:13,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:20:13,526 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:20:13,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:20:13,527 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:20:13,527 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:20:13,527 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:20:13,528 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:20:13,528 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:20:13,528 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:20:13,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:20:13,529 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:20:13,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:20:13,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:20:13,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:20:13,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:20:13,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:20:13,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:20:13,531 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:20:13,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:20:13,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:20:13,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:20:13,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:20:13,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:20:13,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:20:13,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:20:13,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:20:13,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:20:13,533 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:20:13,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:20:13,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:20:13,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:20:13,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:20:13,534 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_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 [2021-11-23 02:20:13,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:20:13,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:20:13,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:20:13,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:20:13,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:20:13,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2021-11-23 02:20:13,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/data/ef3edd762/8fddd2d5e4594591afdf9c95f341095c/FLAG470d00abc [2021-11-23 02:20:14,590 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:20:14,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2021-11-23 02:20:14,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/data/ef3edd762/8fddd2d5e4594591afdf9c95f341095c/FLAG470d00abc [2021-11-23 02:20:14,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/data/ef3edd762/8fddd2d5e4594591afdf9c95f341095c [2021-11-23 02:20:14,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:20:14,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:20:14,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:20:14,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:20:14,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:20:14,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:14" (1/1) ... [2021-11-23 02:20:14,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d2cf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:14, skipping insertion in model container [2021-11-23 02:20:14,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:14" (1/1) ... [2021-11-23 02:20:14,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:20:14,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:20:15,473 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_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2021-11-23 02:20:15,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:20:15,790 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:20:15,818 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_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2021-11-23 02:20:16,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:20:16,106 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:20:16,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16 WrapperNode [2021-11-23 02:20:16,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:20:16,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:20:16,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:20:16,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:20:16,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,300 INFO L137 Inliner]: procedures = 177, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2330 [2021-11-23 02:20:16,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:20:16,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:20:16,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:20:16,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:20:16,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:20:16,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:20:16,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:20:16,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:20:16,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (1/1) ... [2021-11-23 02:20:16,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:20:16,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:16,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:20:16,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:20:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-23 02:20:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-23 02:20:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:20:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:20:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:20:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:20:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:20:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:20:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:20:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:20:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:20:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:20:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:20:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:20:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:20:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:20:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:20:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:20:16,989 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:20:16,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:20:18,964 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:20:19,747 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:20:19,747 INFO L301 CfgBuilder]: Removed 160 assume(true) statements. [2021-11-23 02:20:19,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:19 BoogieIcfgContainer [2021-11-23 02:20:19,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:20:19,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:20:19,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:20:19,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:20:19,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:14" (1/3) ... [2021-11-23 02:20:19,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe01027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:19, skipping insertion in model container [2021-11-23 02:20:19,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:16" (2/3) ... [2021-11-23 02:20:19,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe01027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:19, skipping insertion in model container [2021-11-23 02:20:19,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:19" (3/3) ... [2021-11-23 02:20:19,760 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test10-2.i [2021-11-23 02:20:19,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:20:19,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:20:19,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:20:19,841 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 [2021-11-23 02:20:19,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:20:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 265 states, 246 states have (on average 1.8252032520325203) internal successors, (449), 251 states have internal predecessors, (449), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 02:20:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:20:19,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:19,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:19,887 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:19,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:19,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1013260908, now seen corresponding path program 1 times [2021-11-23 02:20:19,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:19,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541761410] [2021-11-23 02:20:19,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:19,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:20,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:20,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541761410] [2021-11-23 02:20:20,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541761410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:20,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:20,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:20:20,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188439160] [2021-11-23 02:20:20,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:20,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:20:20,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:20,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:20:20,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:20:20,206 INFO L87 Difference]: Start difference. First operand has 265 states, 246 states have (on average 1.8252032520325203) internal successors, (449), 251 states have internal predecessors, (449), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:21,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:21,652 INFO L93 Difference]: Finished difference Result 529 states and 961 transitions. [2021-11-23 02:20:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:20:21,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:20:21,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:21,672 INFO L225 Difference]: With dead ends: 529 [2021-11-23 02:20:21,672 INFO L226 Difference]: Without dead ends: 249 [2021-11-23 02:20:21,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:20:21,682 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:21,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 288 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:20:21,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-11-23 02:20:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-11-23 02:20:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 231 states have (on average 1.199134199134199) internal successors, (277), 236 states have internal predecessors, (277), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:20:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 304 transitions. [2021-11-23 02:20:21,749 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 304 transitions. Word has length 12 [2021-11-23 02:20:21,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:21,749 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 304 transitions. [2021-11-23 02:20:21,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 304 transitions. [2021-11-23 02:20:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:20:21,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:21,753 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] [2021-11-23 02:20:21,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:20:21,754 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:21,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:21,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1808167895, now seen corresponding path program 1 times [2021-11-23 02:20:21,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:21,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697873547] [2021-11-23 02:20:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:21,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:21,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:21,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697873547] [2021-11-23 02:20:21,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697873547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:21,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:21,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:20:21,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981800862] [2021-11-23 02:20:21,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:21,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:20:21,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:21,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:20:21,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:20:21,844 INFO L87 Difference]: Start difference. First operand 249 states and 304 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:24,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:24,759 INFO L93 Difference]: Finished difference Result 425 states and 521 transitions. [2021-11-23 02:20:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:20:24,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-23 02:20:24,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:24,764 INFO L225 Difference]: With dead ends: 425 [2021-11-23 02:20:24,764 INFO L226 Difference]: Without dead ends: 276 [2021-11-23 02:20:24,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:20:24,768 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 27 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:24,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 770 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 02:20:24,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-11-23 02:20:24,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 251. [2021-11-23 02:20:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 233 states have (on average 1.1974248927038627) internal successors, (279), 238 states have internal predecessors, (279), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:20:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2021-11-23 02:20:24,797 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 24 [2021-11-23 02:20:24,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:24,798 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2021-11-23 02:20:24,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2021-11-23 02:20:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 02:20:24,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:24,802 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:24,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:20:24,803 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:24,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:24,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1787107309, now seen corresponding path program 1 times [2021-11-23 02:20:24,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:24,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588437156] [2021-11-23 02:20:24,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:24,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:24,840 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:24,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928842660] [2021-11-23 02:20:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:24,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:24,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:24,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:20:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:25,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:20:25,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:25,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:20:25,587 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:25,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588437156] [2021-11-23 02:20:25,588 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:25,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928842660] [2021-11-23 02:20:25,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928842660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:25,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:25,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:20:25,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602601522] [2021-11-23 02:20:25,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:25,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:20:25,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:25,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:20:25,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:20:25,592 INFO L87 Difference]: Start difference. First operand 251 states and 306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:28,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:20:28,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:28,541 INFO L93 Difference]: Finished difference Result 614 states and 746 transitions. [2021-11-23 02:20:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:20:28,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-23 02:20:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:28,545 INFO L225 Difference]: With dead ends: 614 [2021-11-23 02:20:28,545 INFO L226 Difference]: Without dead ends: 366 [2021-11-23 02:20:28,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:20:28,547 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 120 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:28,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 532 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 02:20:28,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-23 02:20:28,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2021-11-23 02:20:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.1799410029498525) internal successors, (400), 344 states have internal predecessors, (400), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 02:20:28,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2021-11-23 02:20:28,577 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 49 [2021-11-23 02:20:28,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:28,578 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2021-11-23 02:20:28,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2021-11-23 02:20:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 02:20:28,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:28,582 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:28,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:28,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:28,805 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:28,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:28,805 INFO L85 PathProgramCache]: Analyzing trace with hash -338981431, now seen corresponding path program 1 times [2021-11-23 02:20:28,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:28,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965532211] [2021-11-23 02:20:28,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:28,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:28,855 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:28,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090044316] [2021-11-23 02:20:28,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:28,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:28,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:28,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:28,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:20:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:29,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 02:20:29,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:29,303 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 [2021-11-23 02:20:29,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 02:20:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:20:29,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:20:29,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:29,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965532211] [2021-11-23 02:20:29,503 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:29,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090044316] [2021-11-23 02:20:29,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090044316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:29,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:29,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:20:29,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228924663] [2021-11-23 02:20:29,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:29,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:20:29,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:29,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:20:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:20:29,505 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:33,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:33,355 INFO L93 Difference]: Finished difference Result 674 states and 815 transitions. [2021-11-23 02:20:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:20:33,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2021-11-23 02:20:33,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:33,359 INFO L225 Difference]: With dead ends: 674 [2021-11-23 02:20:33,359 INFO L226 Difference]: Without dead ends: 362 [2021-11-23 02:20:33,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:20:33,361 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 12 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:33,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 772 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 02:20:33,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-23 02:20:33,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-11-23 02:20:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.176991150442478) internal successors, (399), 344 states have internal predecessors, (399), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 02:20:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 436 transitions. [2021-11-23 02:20:33,386 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 436 transitions. Word has length 62 [2021-11-23 02:20:33,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:33,387 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 436 transitions. [2021-11-23 02:20:33,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 436 transitions. [2021-11-23 02:20:33,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 02:20:33,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:33,391 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:33,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:33,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:33,617 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:33,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:33,617 INFO L85 PathProgramCache]: Analyzing trace with hash -334329145, now seen corresponding path program 1 times [2021-11-23 02:20:33,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:33,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895699572] [2021-11-23 02:20:33,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:33,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:33,663 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:33,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272438758] [2021-11-23 02:20:33,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:33,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:33,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:33,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:33,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:20:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:34,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:20:34,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:20:34,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:20:34,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:34,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895699572] [2021-11-23 02:20:34,278 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:34,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272438758] [2021-11-23 02:20:34,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272438758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:34,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:34,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:20:34,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725611725] [2021-11-23 02:20:34,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:34,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:20:34,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:20:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:20:34,281 INFO L87 Difference]: Start difference. First operand 362 states and 436 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:36,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:36,777 INFO L93 Difference]: Finished difference Result 820 states and 988 transitions. [2021-11-23 02:20:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:20:36,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2021-11-23 02:20:36,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:36,781 INFO L225 Difference]: With dead ends: 820 [2021-11-23 02:20:36,781 INFO L226 Difference]: Without dead ends: 484 [2021-11-23 02:20:36,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:20:36,783 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 110 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:36,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 530 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 02:20:36,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2021-11-23 02:20:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 429. [2021-11-23 02:20:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 403 states have (on average 1.1687344913151365) internal successors, (471), 408 states have internal predecessors, (471), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-23 02:20:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 514 transitions. [2021-11-23 02:20:36,810 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 514 transitions. Word has length 83 [2021-11-23 02:20:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:36,810 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 514 transitions. [2021-11-23 02:20:36,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 514 transitions. [2021-11-23 02:20:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 02:20:36,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:36,815 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:36,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:37,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:37,036 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:37,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:37,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1903584894, now seen corresponding path program 1 times [2021-11-23 02:20:37,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:37,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104298084] [2021-11-23 02:20:37,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:37,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:37,073 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:37,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813883765] [2021-11-23 02:20:37,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:37,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:37,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:37,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:37,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:20:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:37,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:20:37,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 02:20:37,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:20:37,708 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:20:37,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104298084] [2021-11-23 02:20:37,709 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:20:37,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813883765] [2021-11-23 02:20:37,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813883765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:37,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:37,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:20:37,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740378952] [2021-11-23 02:20:37,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:37,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:20:37,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:20:37,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:20:37,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:20:37,711 INFO L87 Difference]: Start difference. First operand 429 states and 514 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:20:38,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:38,869 INFO L93 Difference]: Finished difference Result 719 states and 867 transitions. [2021-11-23 02:20:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:20:38,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 96 [2021-11-23 02:20:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:38,873 INFO L225 Difference]: With dead ends: 719 [2021-11-23 02:20:38,873 INFO L226 Difference]: Without dead ends: 351 [2021-11-23 02:20:38,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:20:38,875 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 438 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:38,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 334 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 02:20:38,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-23 02:20:38,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-23 02:20:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 330 states have (on average 1.1666666666666667) internal successors, (385), 335 states have internal predecessors, (385), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:20:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 418 transitions. [2021-11-23 02:20:38,895 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 418 transitions. Word has length 96 [2021-11-23 02:20:38,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:38,896 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 418 transitions. [2021-11-23 02:20:38,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:20:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2021-11-23 02:20:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 02:20:38,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:38,898 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:38,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:39,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 02:20:39,113 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:39,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:39,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1222209427, now seen corresponding path program 1 times [2021-11-23 02:20:39,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:20:39,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239552568] [2021-11-23 02:20:39,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:39,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:20:39,153 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:20:39,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1244129131] [2021-11-23 02:20:39,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:39,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:20:39,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:20:39,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:20:39,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:27:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:27:37,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:27:37,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:27:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 02:27:37,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:27:37,437 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:27:37,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239552568] [2021-11-23 02:27:37,438 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:27:37,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244129131] [2021-11-23 02:27:37,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244129131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:27:37,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:27:37,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:27:37,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161491157] [2021-11-23 02:27:37,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:27:37,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:27:37,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:27:37,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:27:37,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:27:37,441 INFO L87 Difference]: Start difference. First operand 351 states and 418 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:27:41,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:27:41,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:27:41,915 INFO L93 Difference]: Finished difference Result 684 states and 823 transitions. [2021-11-23 02:27:41,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:27:41,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2021-11-23 02:27:41,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:27:41,919 INFO L225 Difference]: With dead ends: 684 [2021-11-23 02:27:41,919 INFO L226 Difference]: Without dead ends: 353 [2021-11-23 02:27:41,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:27:41,921 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 1 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:27:41,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 806 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-23 02:27:41,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-23 02:27:41,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-23 02:27:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 331 states have (on average 1.1691842900302114) internal successors, (387), 337 states have internal predecessors, (387), 17 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 16 states have call successors, (19) [2021-11-23 02:27:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2021-11-23 02:27:41,941 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 103 [2021-11-23 02:27:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:27:41,942 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2021-11-23 02:27:41,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:27:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2021-11-23 02:27:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 02:27:41,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:27:41,944 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:27:42,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:27:42,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:27:42,157 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:27:42,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:27:42,157 INFO L85 PathProgramCache]: Analyzing trace with hash 221127857, now seen corresponding path program 1 times [2021-11-23 02:27:42,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:27:42,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422408961] [2021-11-23 02:27:42,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:27:42,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:27:42,178 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:27:42,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027942997] [2021-11-23 02:27:42,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:27:42,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:27:42,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:27:42,180 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:27:42,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34cd5be-0f12-4c1d-a31b-0d9b6badc41d/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:30:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:42,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:30:42,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:30:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 02:30:42,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:30:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 02:30:42,662 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:42,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422408961] [2021-11-23 02:30:42,662 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:30:42,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027942997] [2021-11-23 02:30:42,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027942997] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:30:42,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [755565487] [2021-11-23 02:30:42,684 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2021-11-23 02:30:42,684 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:30:42,689 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:30:42,695 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:30:42,695 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:30:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:42,995 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:30:42,996 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 [2021-11-23 02:30:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 02:30:43,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:30:43,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:30:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,037 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 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 02:30:43,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,096 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 [2021-11-23 02:30:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,126 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:30:43,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-23 02:30:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,173 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:30:43,174 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 [2021-11-23 02:30:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,202 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 [2021-11-23 02:30:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 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 [2021-11-23 02:30:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-23 02:30:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2021-11-23 02:30:43,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 79 [2021-11-23 02:30:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-23 02:30:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-23 02:30:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-23 02:30:43,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-23 02:30:43,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:30:43,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-23 02:30:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:30:43,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-23 02:30:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,021 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 02:30:44,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 163 [2021-11-23 02:30:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,080 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:30:44,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 145 treesize of output 156 [2021-11-23 02:30:44,187 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 [2021-11-23 02:30:44,192 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 [2021-11-23 02:30:44,198 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 [2021-11-23 02:30:44,245 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:30:44,245 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 [2021-11-23 02:30:44,273 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:30:44,273 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 [2021-11-23 02:30:44,302 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:30:44,303 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 [2021-11-23 02:30:44,337 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 [2021-11-23 02:30:44,343 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 [2021-11-23 02:30:44,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:30:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:30:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2021-11-23 02:30:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:30:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:30:44,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:30:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:30:44,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2021-11-23 02:30:51,747 WARN L227 SmtUtils]: Spent 6.97s 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) [2021-11-23 02:30:51,748 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:30:51,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2863 treesize of output 2340 [2021-11-23 02:30:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:02,524 WARN L227 SmtUtils]: Spent 10.73s 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) [2021-11-23 02:31:02,525 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:31:02,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2964 treesize of output 2682 [2021-11-23 02:31:14,179 WARN L227 SmtUtils]: Spent 11.49s 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) [2021-11-23 02:31:14,180 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:31:14,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2868 treesize of output 2698 [2021-11-23 02:31:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:15,965 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 02:31:15,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25966 treesize of output 25997 [2021-11-23 02:31:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:16,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:16,950 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:31:16,951 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 9 case distinctions, treesize of input 25976 treesize of output 25990 [2021-11-23 02:31:17,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:17,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:17,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:17,987 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:31:17,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 02:31:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:18,393 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:31:18,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 02:31:18,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:18,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:18,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:18,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:19,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:19,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:19,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:19,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:19,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:19,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:19,805 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-23 02:31:19,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-23 02:31:19,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:20,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:21,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:22,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:23,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:24,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:24,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:24,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:24,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:24,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,476 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 817 treesize of output 369 [2021-11-23 02:31:24,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:24,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 796 treesize of output 366 [2021-11-23 02:31:24,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:24,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:24,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:25,063 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-23 02:31:25,077 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 02:31:25,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 817 treesize of output 369 [2021-11-23 02:31:25,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:25,582 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-23 02:31:27,139 INFO L354 Elim1Store]: treesize reduction 868, result has 53.3 percent of original size [2021-11-23 02:31:27,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 826 treesize of output 1360 [2021-11-23 02:31:27,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:27,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:27,415 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-23 02:31:27,886 INFO L354 Elim1Store]: treesize reduction 723, result has 37.3 percent of original size [2021-11-23 02:31:27,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 805 treesize of output 799 [2021-11-23 02:31:27,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:28,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:28,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,178 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-23 02:31:28,355 INFO L354 Elim1Store]: treesize reduction 4, result has 98.2 percent of original size [2021-11-23 02:31:28,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 805 treesize of output 583 [2021-11-23 02:31:28,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:28,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:28,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:28,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:28,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:28,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:28,836 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-23 02:31:28,837 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 817 treesize of output 369 [2021-11-23 02:31:29,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:29,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,251 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-23 02:31:29,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:31:29,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 749 treesize of output 559 [2021-11-23 02:31:29,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:29,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 728 treesize of output 366 [2021-11-23 02:31:29,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:29,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:29,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:29,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:29,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:30,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:31,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:31,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:31,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:31:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:31,229 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-23 02:31:31,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-23 02:31:31,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:31,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,797 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:32,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,693 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:33,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,596 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,804 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:34,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,495 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,570 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:35,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:36,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:37,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,159 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:38,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:39,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:40,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:41,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:42,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-23 02:31:42,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:42,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:42,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:42,429 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:31:42,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 02:31:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:42,586 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 02:31:42,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-23 02:31:42,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:31:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:42,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:42,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:42,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-23 02:31:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:45,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:31:45,928 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 02:31:45,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81556 treesize of output 81570 [2021-11-23 02:32:01,490 INFO L190 IndexEqualityManager]: detected not equals via solver