./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.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_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/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_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/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_89ffd99b-b696-440e-802d-aff14bc328f5/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 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:37:34,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:37:34,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:37:34,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:37:34,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:37:34,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:37:34,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:37:34,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:37:34,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:37:34,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:37:34,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:37:34,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:37:34,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:37:34,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:37:34,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:37:34,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:37:34,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:37:34,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:37:34,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:37:34,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:37:34,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:37:34,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:37:34,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:37:34,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:37:34,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:37:34,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:37:34,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:37:34,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:37:34,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:37:34,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:37:34,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:37:34,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:37:34,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:37:34,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:37:34,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:37:34,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:37:34,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:37:34,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:37:34,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:37:34,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:37:34,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:37:34,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:37:35,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:37:35,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:37:35,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:37:35,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:37:35,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:37:35,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:37:35,033 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:37:35,033 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:37:35,033 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:37:35,033 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:37:35,035 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:37:35,035 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:37:35,036 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:37:35,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:37:35,036 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:37:35,036 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:37:35,036 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:37:35,037 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:37:35,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:37:35,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:37:35,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:37:35,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:37:35,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:37:35,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:37:35,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:37:35,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:37:35,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:37:35,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:37:35,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:37:35,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:37:35,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:37:35,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:37:35,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:37:35,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:37:35,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:37:35,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:37:35,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:37:35,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:37:35,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:37:35,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:37:35,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:37:35,044 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_89ffd99b-b696-440e-802d-aff14bc328f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2021-11-23 03:37:35,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:37:35,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:37:35,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:37:35,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:37:35,376 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:37:35,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-23 03:37:35,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/data/459d5c87f/f7bcc9bbf367435fa922b4aa0383a2bf/FLAGce9f6c422 [2021-11-23 03:37:36,085 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:37:36,086 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-23 03:37:36,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/data/459d5c87f/f7bcc9bbf367435fa922b4aa0383a2bf/FLAGce9f6c422 [2021-11-23 03:37:36,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/data/459d5c87f/f7bcc9bbf367435fa922b4aa0383a2bf [2021-11-23 03:37:36,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:37:36,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:37:36,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:37:36,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:37:36,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:37:36,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:36" (1/1) ... [2021-11-23 03:37:36,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a6f872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:36, skipping insertion in model container [2021-11-23 03:37:36,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:36" (1/1) ... [2021-11-23 03:37:36,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:37:36,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:37:36,834 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_89ffd99b-b696-440e-802d-aff14bc328f5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-23 03:37:36,994 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_89ffd99b-b696-440e-802d-aff14bc328f5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-23 03:37:37,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:37:37,023 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:37:37,054 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_89ffd99b-b696-440e-802d-aff14bc328f5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-23 03:37:37,124 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_89ffd99b-b696-440e-802d-aff14bc328f5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-23 03:37:37,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:37:37,202 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:37:37,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37 WrapperNode [2021-11-23 03:37:37,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:37:37,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:37:37,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:37:37,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:37:37,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,377 INFO L137 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1181 [2021-11-23 03:37:37,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:37:37,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:37:37,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:37:37,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:37:37,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:37:37,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:37:37,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:37:37,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:37:37,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (1/1) ... [2021-11-23 03:37:37,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:37:37,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:37,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:37:37,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:37:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:37:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:37:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:37:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:37:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:37:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:37:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:37:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:37:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:37:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:37:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:37:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:37:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:37:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:37:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:37:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:37:37,947 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:37:37,949 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:37:38,949 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:37:39,328 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:37:39,328 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-23 03:37:39,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:39 BoogieIcfgContainer [2021-11-23 03:37:39,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:37:39,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:37:39,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:37:39,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:37:39,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:37:36" (1/3) ... [2021-11-23 03:37:39,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c1e8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:39, skipping insertion in model container [2021-11-23 03:37:39,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:37" (2/3) ... [2021-11-23 03:37:39,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c1e8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:39, skipping insertion in model container [2021-11-23 03:37:39,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:39" (3/3) ... [2021-11-23 03:37:39,340 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-2.i [2021-11-23 03:37:39,345 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:37:39,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 03:37:39,401 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:37:39,418 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 03:37:39,418 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 03:37:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 124 states have (on average 1.7983870967741935) internal successors, (223), 131 states have internal predecessors, (223), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:37:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:37:39,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:39,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:39,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:39,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2145808350, now seen corresponding path program 1 times [2021-11-23 03:37:39,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:39,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982323740] [2021-11-23 03:37:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:39,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:39,617 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 03:37:39,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:39,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982323740] [2021-11-23 03:37:39,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982323740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:39,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:39,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:37:39,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860541784] [2021-11-23 03:37:39,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:39,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:37:39,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:39,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:37:39,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:37:39,666 INFO L87 Difference]: Start difference. First operand has 137 states, 124 states have (on average 1.7983870967741935) internal successors, (223), 131 states have internal predecessors, (223), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:40,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:40,262 INFO L93 Difference]: Finished difference Result 273 states and 482 transitions. [2021-11-23 03:37:40,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:37:40,270 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 03:37:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:40,278 INFO L225 Difference]: With dead ends: 273 [2021-11-23 03:37:40,279 INFO L226 Difference]: Without dead ends: 122 [2021-11-23 03:37:40,282 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 03:37:40,286 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:40,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 03:37:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-23 03:37:40,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-23 03:37:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 116 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:37:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 150 transitions. [2021-11-23 03:37:40,332 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 150 transitions. Word has length 8 [2021-11-23 03:37:40,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:40,332 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 150 transitions. [2021-11-23 03:37:40,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2021-11-23 03:37:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 03:37:40,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:40,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:40,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:37:40,334 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash 131240621, now seen corresponding path program 1 times [2021-11-23 03:37:40,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:40,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423710669] [2021-11-23 03:37:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:40,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:40,403 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 03:37:40,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:40,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423710669] [2021-11-23 03:37:40,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423710669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:40,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:40,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:37:40,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851179826] [2021-11-23 03:37:40,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:40,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:40,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:40,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:40,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:40,407 INFO L87 Difference]: Start difference. First operand 122 states and 150 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:42,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:42,049 INFO L93 Difference]: Finished difference Result 258 states and 326 transitions. [2021-11-23 03:37:42,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:37:42,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-23 03:37:42,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:42,060 INFO L225 Difference]: With dead ends: 258 [2021-11-23 03:37:42,060 INFO L226 Difference]: Without dead ends: 189 [2021-11-23 03:37:42,061 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 03:37:42,063 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:42,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 359 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 03:37:42,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-11-23 03:37:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 124. [2021-11-23 03:37:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 118 states have internal predecessors, (136), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:37:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2021-11-23 03:37:42,082 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 13 [2021-11-23 03:37:42,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:42,082 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2021-11-23 03:37:42,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2021-11-23 03:37:42,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 03:37:42,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:42,085 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] [2021-11-23 03:37:42,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:37:42,085 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:42,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:42,086 INFO L85 PathProgramCache]: Analyzing trace with hash 993801336, now seen corresponding path program 1 times [2021-11-23 03:37:42,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:42,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648971611] [2021-11-23 03:37:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:42,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:42,110 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:42,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178519280] [2021-11-23 03:37:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:42,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:42,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:42,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:42,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:37:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:42,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:37:42,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:42,583 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 03:37:42,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:42,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:42,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648971611] [2021-11-23 03:37:42,585 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:42,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178519280] [2021-11-23 03:37:42,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178519280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:42,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:42,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:37:42,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227778322] [2021-11-23 03:37:42,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:42,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:37:42,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:42,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:37:42,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:37:42,594 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:43,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:43,304 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2021-11-23 03:37:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:37:43,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-23 03:37:43,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:43,313 INFO L225 Difference]: With dead ends: 304 [2021-11-23 03:37:43,313 INFO L226 Difference]: Without dead ends: 183 [2021-11-23 03:37:43,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 03:37:43,316 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 58 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:43,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 280 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 03:37:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-23 03:37:43,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 167. [2021-11-23 03:37:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 155 states have (on average 1.1935483870967742) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:37:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2021-11-23 03:37:43,358 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 37 [2021-11-23 03:37:43,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:43,359 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2021-11-23 03:37:43,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:37:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2021-11-23 03:37:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 03:37:43,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:43,364 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] [2021-11-23 03:37:43,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 03:37:43,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:43,578 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:43,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:43,579 INFO L85 PathProgramCache]: Analyzing trace with hash 237821332, now seen corresponding path program 1 times [2021-11-23 03:37:43,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:43,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422140238] [2021-11-23 03:37:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:43,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:43,611 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:43,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725584854] [2021-11-23 03:37:43,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:43,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:43,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:43,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:43,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:37:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:43,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:37:43,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:43,990 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 03:37:44,015 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 15 treesize of output 7 [2021-11-23 03:37:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 03:37:44,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:44,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:44,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422140238] [2021-11-23 03:37:44,039 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:44,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725584854] [2021-11-23 03:37:44,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725584854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:44,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:44,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:37:44,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513408369] [2021-11-23 03:37:44,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:44,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:44,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:44,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:44,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:44,043 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:46,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:37:46,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:46,323 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2021-11-23 03:37:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:37:46,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2021-11-23 03:37:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:46,348 INFO L225 Difference]: With dead ends: 231 [2021-11-23 03:37:46,348 INFO L226 Difference]: Without dead ends: 212 [2021-11-23 03:37:46,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 03:37:46,350 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 58 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:46,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 354 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 03:37:46,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-23 03:37:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 169. [2021-11-23 03:37:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 163 states have internal predecessors, (187), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:37:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2021-11-23 03:37:46,370 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 50 [2021-11-23 03:37:46,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:46,371 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2021-11-23 03:37:46,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:46,375 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2021-11-23 03:37:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 03:37:46,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:46,378 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:46,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:37:46,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:46,579 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:46,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:46,579 INFO L85 PathProgramCache]: Analyzing trace with hash 375836451, now seen corresponding path program 1 times [2021-11-23 03:37:46,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:46,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088113204] [2021-11-23 03:37:46,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:46,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:46,592 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:46,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451922661] [2021-11-23 03:37:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:46,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:46,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:46,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:46,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:37:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:46,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:37:46,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:47,015 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 03:37:47,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:47,016 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:47,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088113204] [2021-11-23 03:37:47,016 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:47,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451922661] [2021-11-23 03:37:47,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451922661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:47,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:47,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:37:47,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818111753] [2021-11-23 03:37:47,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:47,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:47,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:47,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:47,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:47,020 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:47,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:47,944 INFO L93 Difference]: Finished difference Result 395 states and 492 transitions. [2021-11-23 03:37:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:37:47,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-23 03:37:47,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:47,947 INFO L225 Difference]: With dead ends: 395 [2021-11-23 03:37:47,947 INFO L226 Difference]: Without dead ends: 242 [2021-11-23 03:37:47,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:37:47,949 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 257 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:47,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 296 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 03:37:47,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-11-23 03:37:47,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 214. [2021-11-23 03:37:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 202 states have (on average 1.193069306930693) internal successors, (241), 208 states have internal predecessors, (241), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:37:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2021-11-23 03:37:47,971 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 57 [2021-11-23 03:37:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:47,971 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2021-11-23 03:37:47,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2021-11-23 03:37:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 03:37:47,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:47,974 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:48,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:37:48,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:48,190 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:48,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:48,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1459918940, now seen corresponding path program 1 times [2021-11-23 03:37:48,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:48,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175583425] [2021-11-23 03:37:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:48,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:48,217 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:48,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091886906] [2021-11-23 03:37:48,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:48,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:48,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:48,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:48,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:37:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:48,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:37:48,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:37:49,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:37:49,019 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:49,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175583425] [2021-11-23 03:37:49,019 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:49,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091886906] [2021-11-23 03:37:49,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091886906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:49,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:49,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:37:49,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111466595] [2021-11-23 03:37:49,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:49,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:37:49,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:49,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:37:49,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:37:49,021 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:50,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:50,712 INFO L93 Difference]: Finished difference Result 411 states and 498 transitions. [2021-11-23 03:37:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:37:50,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-23 03:37:50,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:50,720 INFO L225 Difference]: With dead ends: 411 [2021-11-23 03:37:50,721 INFO L226 Difference]: Without dead ends: 216 [2021-11-23 03:37:50,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:37:50,722 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:50,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 389 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 03:37:50,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-23 03:37:50,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2021-11-23 03:37:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 210 states have internal predecessors, (243), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-23 03:37:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2021-11-23 03:37:50,737 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 64 [2021-11-23 03:37:50,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:50,738 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2021-11-23 03:37:50,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:37:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2021-11-23 03:37:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:37:50,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:50,741 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:37:50,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:37:50,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 03:37:50,958 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:37:50,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:50,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1243076896, now seen corresponding path program 1 times [2021-11-23 03:37:50,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:50,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608098292] [2021-11-23 03:37:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:50,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:50,997 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:37:50,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69978430] [2021-11-23 03:37:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:51,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:37:51,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:37:51,018 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:37:51,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89ffd99b-b696-440e-802d-aff14bc328f5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:37:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:58,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:37:58,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:37:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:37:58,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:37:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:37:58,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:58,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608098292] [2021-11-23 03:37:58,387 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:37:58,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69978430] [2021-11-23 03:37:58,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69978430] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:37:58,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2101689432] [2021-11-23 03:37:58,410 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-23 03:37:58,410 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:37:58,415 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:37:58,421 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:37:58,422 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:37:58,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:37:58,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:37:58,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:37:58,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,578 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 03:37:58,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 03:37:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,604 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:37:58,604 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 03:37:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,653 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 03:37:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,686 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:37:58,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-23 03:37:58,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,719 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:37:58,720 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 03:37:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,768 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:37:58,768 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 03:37:58,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:58,791 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 03:37:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,119 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 03:37:59,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,137 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 03:37:59,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,164 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 89 treesize of output 77 [2021-11-23 03:37:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,194 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 74 treesize of output 76 [2021-11-23 03:37:59,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,243 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 03:37:59,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,260 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 03:37:59,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,299 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 03:37:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,338 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 89 treesize of output 79 [2021-11-23 03:37:59,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,405 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 89 treesize of output 79 [2021-11-23 03:37:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,436 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 03:37:59,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 03:37:59,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,564 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 03:37:59,564 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 03:37:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,616 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:37:59,616 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 03:37:59,746 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 03:37:59,750 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 03:37:59,756 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 03:37:59,805 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 03:37:59,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-23 03:37:59,828 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:37:59,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-23 03:37:59,850 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:37:59,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-23 03:37:59,873 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 03:37:59,877 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 03:37:59,883 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 03:37:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,941 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 03:37:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,965 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 03:37:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:37:59,990 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 03:38:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,120 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 03:38:00,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,140 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 03:38:00,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:00,167 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 03:38:07,924 WARN L227 SmtUtils]: Spent 7.62s 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 03:38:07,925 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:38:07,926 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 03:38:07,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:17,479 WARN L227 SmtUtils]: Spent 9.50s 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 03:38:17,479 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:38:17,480 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 03:38:28,446 WARN L227 SmtUtils]: Spent 10.82s 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 03:38:28,448 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 03:38:28,449 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 03:38:29,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:29,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:30,312 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 03:38:30,313 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 03:38:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:30,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:31,106 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:38:31,107 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 03:38:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:32,002 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 03:38:32,003 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 03:38:32,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:32,522 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:38:32,523 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 03:38:32,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:32,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:32,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:32,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,098 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:33,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:34,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:35,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,621 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,751 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:36,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,883 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:37,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:38,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:38:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:38,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:38,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:38,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:38,143 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-23 03:38:38,145 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 1241 treesize of output 791 [2021-11-23 03:38:38,194 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,823 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:38,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:39,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:40,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:41,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:42,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:43,905 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 36 treesize of output 20 [2021-11-23 03:38:43,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:43,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:44,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:44,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-23 03:38:44,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:44,547 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-23 03:38:44,547 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 38 treesize of output 32 [2021-11-23 03:38:44,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:44,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:38:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:44,824 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 44 treesize of output 28 [2021-11-23 03:38:46,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:47,022 INFO L244 Elim1Store]: Index analysis took 258 ms [2021-11-23 03:38:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:38:49,562 INFO L354 Elim1Store]: treesize reduction 9884, result has 39.3 percent of original size [2021-11-23 03:38:49,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 57661 treesize of output 57014 [2021-11-23 03:39:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:06,687 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-11-23 03:39:07,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:07,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:07,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:10,199 INFO L354 Elim1Store]: treesize reduction 8978, result has 45.0 percent of original size [2021-11-23 03:39:10,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 6843 treesize of output 12272 [2021-11-23 03:39:10,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:10,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:10,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:10,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:10,911 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-23 03:39:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,100 INFO L354 Elim1Store]: treesize reduction 6630, result has 45.1 percent of original size [2021-11-23 03:39:13,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 12078 treesize of output 15360 [2021-11-23 03:39:13,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:13,710 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-23 03:39:13,933 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 03:39:13,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 5290 treesize of output 3722 [2021-11-23 03:39:14,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,188 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-23 03:39:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,454 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:39:14,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 9566 treesize of output 7506 [2021-11-23 03:39:14,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:14,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:14,828 INFO L244 Elim1Store]: Index analysis took 198 ms [2021-11-23 03:39:15,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 7950 treesize of output 6198 [2021-11-23 03:39:15,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,400 INFO L244 Elim1Store]: Index analysis took 240 ms [2021-11-23 03:39:15,604 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 03:39:15,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6834 treesize of output 5082 [2021-11-23 03:39:15,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:39:15,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:15,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:39:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:15,950 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-23 03:39:16,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 5290 treesize of output 3722 [2021-11-23 03:39:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:39:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver