./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7 --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 dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:47:13,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:47:13,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:47:13,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:47:13,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:47:13,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:47:13,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:47:13,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:47:13,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:47:13,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:47:13,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:47:13,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:47:13,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:47:13,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:47:13,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:47:13,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:47:13,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:47:13,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:47:13,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:47:13,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:47:13,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:47:13,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:47:13,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:47:13,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:47:13,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:47:13,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:47:13,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:47:13,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:47:13,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:47:13,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:47:13,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:47:13,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:47:13,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:47:13,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:47:13,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:47:13,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:47:13,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:47:13,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:47:13,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:47:13,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:47:13,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:47:13,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:47:13,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:47:13,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:47:13,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:47:13,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:47:13,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:47:13,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:47:13,529 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:47:13,529 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:47:13,529 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:47:13,529 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:47:13,531 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:47:13,531 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:47:13,531 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:47:13,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:47:13,532 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:47:13,532 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:47:13,532 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:47:13,533 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:47:13,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:47:13,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:47:13,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:47:13,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:47:13,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:47:13,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:47:13,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:47:13,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:47:13,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:47:13,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:47:13,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:47:13,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:47:13,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:47:13,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:47:13,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:47:13,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:47:13,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:47:13,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:47:13,541 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:47:13,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:47:13,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:47:13,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:47:13,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:47:13,542 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_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2021-11-25 19:47:13,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:47:13,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:47:13,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:47:13,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:47:13,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:47:13,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2021-11-25 19:47:13,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/data/058eeb6e6/854b220cf159481db84432d817c9f048/FLAGeb7ac378e [2021-11-25 19:47:14,607 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:47:14,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2021-11-25 19:47:14,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/data/058eeb6e6/854b220cf159481db84432d817c9f048/FLAGeb7ac378e [2021-11-25 19:47:14,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/data/058eeb6e6/854b220cf159481db84432d817c9f048 [2021-11-25 19:47:14,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:47:14,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:47:14,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:47:14,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:47:14,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:47:14,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:47:14" (1/1) ... [2021-11-25 19:47:14,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e496e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:14, skipping insertion in model container [2021-11-25 19:47:14,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:47:14" (1/1) ... [2021-11-25 19:47:14,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:47:14,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:47:15,485 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_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2021-11-25 19:47:15,644 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_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2021-11-25 19:47:15,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:47:15,666 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:47:15,698 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_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2021-11-25 19:47:15,748 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_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2021-11-25 19:47:15,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:47:15,798 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:47:15,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15 WrapperNode [2021-11-25 19:47:15,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:47:15,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:47:15,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:47:15,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:47:15,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:15,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:15,906 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 19:47:15,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:47:15,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:47:15,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:47:15,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:47:15,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:15,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:15,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:15,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:16,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:16,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:16,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:16,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:47:16,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:47:16,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:47:16,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:47:16,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (1/1) ... [2021-11-25 19:47:16,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:47:16,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:47:16,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:47:16,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:47:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:47:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:47:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:47:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:47:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:47:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:47:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 19:47:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 19:47:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:47:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:47:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:47:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:47:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:47:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:47:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:47:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:47:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:47:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:47:16,450 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:47:16,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:47:17,647 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:47:18,034 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:47:18,035 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 19:47:18,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:18 BoogieIcfgContainer [2021-11-25 19:47:18,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:47:18,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:47:18,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:47:18,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:47:18,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:47:14" (1/3) ... [2021-11-25 19:47:18,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:47:18, skipping insertion in model container [2021-11-25 19:47:18,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:15" (2/3) ... [2021-11-25 19:47:18,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:47:18, skipping insertion in model container [2021-11-25 19:47:18,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:18" (3/3) ... [2021-11-25 19:47:18,047 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-2.i [2021-11-25 19:47:18,052 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:47:18,053 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:47:18,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:47:18,110 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 [2021-11-25 19:47:18,110 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:47:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:47:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:47:18,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:18,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:47:18,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:47:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:18,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1416523053, now seen corresponding path program 1 times [2021-11-25 19:47:18,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:18,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325318979] [2021-11-25 19:47:18,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:18,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:47:18,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:18,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325318979] [2021-11-25 19:47:18,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325318979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:47:18,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:47:18,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:47:18,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299764900] [2021-11-25 19:47:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:47:18,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:47:18,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:47:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:47:18,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:47:18,357 INFO L87 Difference]: Start difference. First operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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) [2021-11-25 19:47:19,879 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 [] [2021-11-25 19:47:19,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:47:19,908 INFO L93 Difference]: Finished difference Result 323 states and 584 transitions. [2021-11-25 19:47:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:47:19,911 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 [2021-11-25 19:47:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:47:19,922 INFO L225 Difference]: With dead ends: 323 [2021-11-25 19:47:19,922 INFO L226 Difference]: Without dead ends: 146 [2021-11-25 19:47:19,927 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 [2021-11-25 19:47:19,931 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:47:19,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:47:19,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-25 19:47:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-25 19:47:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:47:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-25 19:47:19,987 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-25 19:47:19,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:47:19,987 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-25 19:47:19,988 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) [2021-11-25 19:47:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-25 19:47:19,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:47:19,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:19,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:47:19,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:47:19,991 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:47:19,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:19,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2072407008, now seen corresponding path program 1 times [2021-11-25 19:47:19,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:19,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181448349] [2021-11-25 19:47:19,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:19,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:47:20,101 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:20,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181448349] [2021-11-25 19:47:20,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181448349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:47:20,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:47:20,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:47:20,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870470612] [2021-11-25 19:47:20,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:47:20,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:47:20,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:47:20,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:47:20,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:47:20,107 INFO L87 Difference]: Start difference. First operand 146 states and 194 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:47:21,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:47:21,466 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-25 19:47:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:47:21,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 19:47:21,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:47:21,469 INFO L225 Difference]: With dead ends: 293 [2021-11-25 19:47:21,469 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 19:47:21,471 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 [2021-11-25 19:47:21,472 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:47:21,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:47:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 19:47:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-25 19:47:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 19:47:21,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-25 19:47:21,493 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-25 19:47:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:47:21,493 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-25 19:47:21,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:47:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-25 19:47:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 19:47:21,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:21,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:47:21,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:47:21,496 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:47:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:21,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1044851722, now seen corresponding path program 1 times [2021-11-25 19:47:21,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:21,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217952127] [2021-11-25 19:47:21,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:21,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:21,664 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:47:21,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101304200] [2021-11-25 19:47:21,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:21,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:47:21,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:47:21,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:47:21,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:47:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:22,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:47:22,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:47:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:47:22,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:47:22,586 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:22,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217952127] [2021-11-25 19:47:22,587 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:47:22,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101304200] [2021-11-25 19:47:22,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101304200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:47:22,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:47:22,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:47:22,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491398361] [2021-11-25 19:47:22,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:47:22,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:47:22,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:47:22,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:47:22,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:47:22,590 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:47:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:47:23,428 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-25 19:47:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:47:23,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-25 19:47:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:47:23,435 INFO L225 Difference]: With dead ends: 341 [2021-11-25 19:47:23,435 INFO L226 Difference]: Without dead ends: 196 [2021-11-25 19:47:23,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:47:23,438 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:47:23,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 19:47:23,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-25 19:47:23,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-25 19:47:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 19:47:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-25 19:47:23,458 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-25 19:47:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:47:23,459 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-25 19:47:23,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:47:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-25 19:47:23,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 19:47:23,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:23,461 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:47:23,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:47:23,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:47:23,674 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:47:23,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:23,675 INFO L85 PathProgramCache]: Analyzing trace with hash -868254590, now seen corresponding path program 1 times [2021-11-25 19:47:23,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:23,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002608349] [2021-11-25 19:47:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:23,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:23,758 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:47:23,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975549433] [2021-11-25 19:47:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:23,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:47:23,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:47:23,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:47:23,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:47:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:24,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:47:24,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:47:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:47:24,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:47:24,942 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:24,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002608349] [2021-11-25 19:47:24,942 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:47:24,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975549433] [2021-11-25 19:47:24,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975549433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:47:24,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:47:24,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:47:24,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69492682] [2021-11-25 19:47:24,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:47:24,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:47:24,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:47:24,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:47:24,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:47:24,952 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:47:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:47:26,487 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-25 19:47:26,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:47:26,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 19:47:26,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:47:26,495 INFO L225 Difference]: With dead ends: 372 [2021-11-25 19:47:26,496 INFO L226 Difference]: Without dead ends: 195 [2021-11-25 19:47:26,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:47:26,498 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:47:26,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:47:26,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-25 19:47:26,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-25 19:47:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-25 19:47:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-25 19:47:26,517 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-25 19:47:26,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:47:26,517 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-25 19:47:26,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:47:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-25 19:47:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 19:47:26,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:26,520 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] [2021-11-25 19:47:26,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 19:47:26,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:47:26,746 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:47:26,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash -908612650, now seen corresponding path program 1 times [2021-11-25 19:47:26,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:26,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596744057] [2021-11-25 19:47:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:26,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:26,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:47:26,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627663674] [2021-11-25 19:47:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:26,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:47:26,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:47:26,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:47:26,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bdf9f5f-1e80-4536-a7d6-e53e40f909e4/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:47:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:28,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:47:28,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:47:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:47:28,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:47:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:47:28,408 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:28,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596744057] [2021-11-25 19:47:28,409 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:47:28,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627663674] [2021-11-25 19:47:28,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627663674] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:47:28,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1763922586] [2021-11-25 19:47:28,448 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-25 19:47:28,448 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:47:28,466 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:47:28,471 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:47:28,471 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:47:28,589 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 [2021-11-25 19:47:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,610 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:47:28,611 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 [2021-11-25 19:47:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,637 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:47:28,638 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 [2021-11-25 19:47:28,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:47:28,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:47:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,744 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 [2021-11-25 19:47:28,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,781 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:47:28,781 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 [2021-11-25 19:47:28,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,830 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:47:28,830 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 [2021-11-25 19:47:28,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,851 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 [2021-11-25 19:47:28,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:28,868 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 52 treesize of output 49 [2021-11-25 19:47:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,249 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 76 treesize of output 64 [2021-11-25 19:47:29,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,276 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 [2021-11-25 19:47:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,305 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 [2021-11-25 19:47:29,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,328 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 [2021-11-25 19:47:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,368 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 [2021-11-25 19:47:29,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:47:29,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:47:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,487 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 [2021-11-25 19:47:29,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:47:29,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,591 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 [2021-11-25 19:47:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 19:47:29,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,712 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:47:29,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 19:47:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 19:47:29,905 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 [2021-11-25 19:47:29,909 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 [2021-11-25 19:47:29,915 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 [2021-11-25 19:47:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:47:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:47:29,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:29,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 19:47:29,985 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 [2021-11-25 19:47:29,990 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 16 treesize of output 12 [2021-11-25 19:47:29,995 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 [2021-11-25 19:47:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,073 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 [2021-11-25 19:47:30,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,098 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 [2021-11-25 19:47:30,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,130 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 [2021-11-25 19:47:30,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,269 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 [2021-11-25 19:47:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,292 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 [2021-11-25 19:47:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:30,313 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 [2021-11-25 19:47:38,388 WARN L227 SmtUtils]: Spent 7.93s 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) [2021-11-25 19:47:38,389 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:47:38,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:47:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:52,225 WARN L227 SmtUtils]: Spent 13.70s 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) [2021-11-25 19:47:52,225 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:47:52,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:47:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:47:52,762 INFO L244 Elim1Store]: Index analysis took 292 ms [2021-11-25 19:48:05,275 WARN L227 SmtUtils]: Spent 12.18s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:48:05,276 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:48:05,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:48:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:05,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:05,912 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-11-25 19:48:06,761 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:48:06,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:48:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:07,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:07,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:07,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:48:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:07,626 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:48:07,626 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 46 treesize of output 30 [2021-11-25 19:48:07,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:07,980 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:48:07,982 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 [2021-11-25 19:48:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:08,202 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:48:08,202 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 46 treesize of output 30 [2021-11-25 19:48:08,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:08,294 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 46 treesize of output 30 [2021-11-25 19:48:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:08,398 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 [2021-11-25 19:48:08,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:08,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:08,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:08,748 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:48:08,749 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 [2021-11-25 19:48:08,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:08,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:08,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:08,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 19:48:09,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:09,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:09,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:09,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:10,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:10,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:10,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:10,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,060 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:48:11,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 19:48:11,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:11,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,284 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-25 19:48:11,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:48:11,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 19:48:11,472 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:11,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:11,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 19:48:11,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:11,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:11,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 19:48:11,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:12,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:12,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:12,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 19:48:12,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:12,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:12,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:12,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:12,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 19:48:12,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:12,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:12,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:12,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:13,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 19:48:14,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:14,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:14,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 19:48:14,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,479 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 19:48:14,492 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 19:48:14,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 19:48:14,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:14,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:14,873 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 19:48:14,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2264 [2021-11-25 19:48:15,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:15,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:15,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:15,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:15,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,476 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 19:48:15,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2792 treesize of output 2342 [2021-11-25 19:48:15,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:15,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:15,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,736 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 19:48:15,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2692 treesize of output 2248 [2021-11-25 19:48:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:15,975 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 19:48:16,790 INFO L354 Elim1Store]: treesize reduction 1186, result has 34.9 percent of original size [2021-11-25 19:48:16,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 2887 [2021-11-25 19:48:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:17,150 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-25 19:48:18,600 INFO L354 Elim1Store]: treesize reduction 1185, result has 36.7 percent of original size [2021-11-25 19:48:18,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3032 [2021-11-25 19:48:18,923 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:18,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:19,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:19,842 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 19:48:19,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 19:48:19,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:19,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:20,387 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 19:48:20,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 19:48:20,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,139 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,272 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 2804 treesize of output 2342 [2021-11-25 19:48:21,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:21,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:21,538 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 2704 treesize of output 2248 [2021-11-25 19:48:21,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,769 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:21,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:22,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:22,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,139 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 2804 treesize of output 2342 [2021-11-25 19:48:22,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:48:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:22,293 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 2704 treesize of output 2248 [2021-11-25 19:48:22,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:22,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:48:24,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:24,102 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-25 19:48:24,334 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 19:48:24,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 19:48:25,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:25,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:25,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:48:25,639 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-25 19:48:29,608 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:48:29,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 78023 treesize of output 79003