./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS --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 c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:05:29,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:05:29,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:05:29,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:05:29,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:05:29,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:05:29,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:05:29,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:05:29,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:05:29,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:05:29,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:05:29,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:05:29,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:05:29,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:05:29,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:05:29,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:05:29,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:05:29,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:05:29,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:05:29,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:05:29,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:05:29,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:05:29,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:05:29,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:05:29,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:05:29,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:05:29,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:05:29,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:05:29,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:05:29,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:05:29,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:05:29,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:05:29,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:05:29,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:05:29,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:05:29,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:05:29,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:05:29,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:05:29,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:05:29,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:05:29,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:05:29,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:05:29,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:05:29,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:05:29,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:05:29,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:05:29,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:05:29,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:05:29,390 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:05:29,391 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:05:29,391 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:05:29,391 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:05:29,393 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:05:29,393 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:05:29,393 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:05:29,393 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:05:29,394 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:05:29,394 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:05:29,394 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:05:29,395 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:05:29,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:05:29,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:05:29,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:05:29,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:05:29,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:05:29,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:05:29,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:05:29,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:05:29,398 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:05:29,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:05:29,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:05:29,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:05:29,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:05:29,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:05:29,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:05:29,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:05:29,401 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:05:29,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:05:29,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:05:29,401 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:05:29,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:05:29,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:05:29,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:05:29,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2022-11-19 08:05:29,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:05:29,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:05:29,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:05:29,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:05:29,803 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:05:29,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2022-11-19 08:05:29,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/data/4ddb1ef92/46660729cc8a413889becce18e87b714/FLAG915f4e576 [2022-11-19 08:05:30,501 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:05:30,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2022-11-19 08:05:30,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/data/4ddb1ef92/46660729cc8a413889becce18e87b714/FLAG915f4e576 [2022-11-19 08:05:30,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/data/4ddb1ef92/46660729cc8a413889becce18e87b714 [2022-11-19 08:05:30,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:05:30,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:05:30,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:05:30,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:05:30,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:05:30,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:30" (1/1) ... [2022-11-19 08:05:30,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f46706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:30, skipping insertion in model container [2022-11-19 08:05:30,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:30" (1/1) ... [2022-11-19 08:05:30,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:05:30,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:05:31,412 WARN L234 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_d441ca18-460b-4bdb-b541-fa3b82551cd7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2022-11-19 08:05:31,568 WARN L234 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_d441ca18-460b-4bdb-b541-fa3b82551cd7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2022-11-19 08:05:31,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:05:31,589 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:05:31,620 WARN L234 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_d441ca18-460b-4bdb-b541-fa3b82551cd7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2022-11-19 08:05:31,664 WARN L234 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_d441ca18-460b-4bdb-b541-fa3b82551cd7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2022-11-19 08:05:31,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:05:31,706 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:05:31,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31 WrapperNode [2022-11-19 08:05:31,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:05:31,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:05:31,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:05:31,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:05:31,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,841 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-11-19 08:05:31,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:05:31,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:05:31,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:05:31,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:05:31,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:31,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:05:31,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:05:31,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:05:31,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:05:31,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ... [2022-11-19 08:05:32,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:05:32,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:32,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:05:32,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:05:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:05:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:05:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:05:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:05:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:05:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:05:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:05:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:05:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:05:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:05:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:05:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:05:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:05:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:05:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:05:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:05:32,277 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:05:32,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:05:33,929 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:05:34,339 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:05:34,339 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-19 08:05:34,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:34 BoogieIcfgContainer [2022-11-19 08:05:34,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:05:34,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:05:34,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:05:34,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:05:34,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:30" (1/3) ... [2022-11-19 08:05:34,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297d861f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:34, skipping insertion in model container [2022-11-19 08:05:34,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (2/3) ... [2022-11-19 08:05:34,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297d861f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:34, skipping insertion in model container [2022-11-19 08:05:34,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:34" (3/3) ... [2022-11-19 08:05:34,359 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-1.i [2022-11-19 08:05:34,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:05:34,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 08:05:34,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:05:34,458 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d0ed458, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:05:34,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 08:05:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 08:05:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:05:34,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:34,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:34,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:34,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:34,483 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-11-19 08:05:34,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:34,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456184984] [2022-11-19 08:05:34,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:05:34,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:34,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456184984] [2022-11-19 08:05:34,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456184984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:34,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:34,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:05:34,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400201218] [2022-11-19 08:05:34,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:34,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:05:34,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:34,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:05:34,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:05:34,712 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:05:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:35,184 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-11-19 08:05:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:05:35,190 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 [2022-11-19 08:05:35,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:35,200 INFO L225 Difference]: With dead ends: 217 [2022-11-19 08:05:35,200 INFO L226 Difference]: Without dead ends: 107 [2022-11-19 08:05:35,203 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:05:35,207 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:35,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:05:35,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-19 08:05:35,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-19 08:05:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 08:05:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-19 08:05:35,250 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-11-19 08:05:35,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:35,251 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-19 08:05:35,251 INFO L496 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) [2022-11-19 08:05:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-19 08:05:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:05:35,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:35,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:35,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:05:35,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:35,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:35,255 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-11-19 08:05:35,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:35,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430017092] [2022-11-19 08:05:35,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:05:35,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:35,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430017092] [2022-11-19 08:05:35,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430017092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:35,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:35,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:05:35,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723954365] [2022-11-19 08:05:35,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:35,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:05:35,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:35,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:05:35,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:05:35,725 INFO L87 Difference]: Start difference. First operand 107 states and 132 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) [2022-11-19 08:05:38,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:38,198 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-11-19 08:05:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:05:38,203 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 [2022-11-19 08:05:38,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:38,205 INFO L225 Difference]: With dead ends: 222 [2022-11-19 08:05:38,205 INFO L226 Difference]: Without dead ends: 168 [2022-11-19 08:05:38,206 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:05:38,207 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:38,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-19 08:05:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-19 08:05:38,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-11-19 08:05:38,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 08:05:38,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-11-19 08:05:38,224 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-11-19 08:05:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:38,225 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-11-19 08:05:38,225 INFO L496 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) [2022-11-19 08:05:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-11-19 08:05:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 08:05:38,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:38,227 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:38,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:05:38,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:38,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:38,228 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-11-19 08:05:38,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:38,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648316299] [2022-11-19 08:05:38,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:38,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:38,396 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:05:38,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802421255] [2022-11-19 08:05:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:38,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:38,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:38,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:05:38,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:05:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:39,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:05:39,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:05:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:05:39,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:05:39,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:39,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648316299] [2022-11-19 08:05:39,448 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:05:39,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802421255] [2022-11-19 08:05:39,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802421255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:39,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:39,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:05:39,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954202580] [2022-11-19 08:05:39,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:39,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:05:39,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:39,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:05:39,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:39,452 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:05:40,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:40,185 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-11-19 08:05:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:05:40,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 08:05:40,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:40,192 INFO L225 Difference]: With dead ends: 260 [2022-11-19 08:05:40,193 INFO L226 Difference]: Without dead ends: 154 [2022-11-19 08:05:40,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:40,195 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:40,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 08:05:40,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-19 08:05:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-11-19 08:05:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:05:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-11-19 08:05:40,216 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-11-19 08:05:40,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:40,216 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-11-19 08:05:40,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:05:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-11-19 08:05:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 08:05:40,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:40,219 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:40,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:05:40,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:40,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:40,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:40,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1770866427, now seen corresponding path program 1 times [2022-11-19 08:05:40,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:40,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927145280] [2022-11-19 08:05:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:40,516 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:05:40,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [68058638] [2022-11-19 08:05:40,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:40,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:40,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:40,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:05:40,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:05:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:41,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:05:41,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:05:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:05:41,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:05:41,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:41,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927145280] [2022-11-19 08:05:41,276 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:05:41,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68058638] [2022-11-19 08:05:41,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68058638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:41,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:41,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:05:41,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020772693] [2022-11-19 08:05:41,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:41,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:05:41,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:41,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:05:41,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:05:41,279 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:05:41,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:41,859 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-11-19 08:05:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:05:41,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-19 08:05:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:41,863 INFO L225 Difference]: With dead ends: 258 [2022-11-19 08:05:41,863 INFO L226 Difference]: Without dead ends: 122 [2022-11-19 08:05:41,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:05:41,865 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:41,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:05:41,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-19 08:05:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-19 08:05:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 08:05:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-11-19 08:05:41,879 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-11-19 08:05:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:41,880 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-11-19 08:05:41,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:05:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-11-19 08:05:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 08:05:41,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:41,882 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:41,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:05:42,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:42,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:42,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:42,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2135358000, now seen corresponding path program 1 times [2022-11-19 08:05:42,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:42,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426171735] [2022-11-19 08:05:42,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:42,161 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:05:42,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232704349] [2022-11-19 08:05:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:42,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:42,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:42,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:05:42,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:06:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:06:10,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:06:10,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:06:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:06:10,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:06:10,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:06:10,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426171735] [2022-11-19 08:06:10,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:06:10,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232704349] [2022-11-19 08:06:10,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232704349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:06:10,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:06:10,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:06:10,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899229474] [2022-11-19 08:06:10,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:06:10,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:06:10,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:06:10,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:06:10,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:06:10,903 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:06:12,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:06:14,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:06:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:06:14,831 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-11-19 08:06:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:06:14,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-19 08:06:14,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:06:14,841 INFO L225 Difference]: With dead ends: 227 [2022-11-19 08:06:14,841 INFO L226 Difference]: Without dead ends: 124 [2022-11-19 08:06:14,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:06:14,843 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:06:14,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-19 08:06:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-19 08:06:14,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-19 08:06:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-19 08:06:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-19 08:06:14,858 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-11-19 08:06:14,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:06:14,859 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-19 08:06:14,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:06:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-19 08:06:14,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 08:06:14,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:06:14,862 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:06:14,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 08:06:15,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:06:15,081 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:06:15,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:06:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1303520738, now seen corresponding path program 1 times [2022-11-19 08:06:15,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:06:15,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740215709] [2022-11-19 08:06:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:06:15,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:06:15,182 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:06:15,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465182455] [2022-11-19 08:06:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:06:15,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:06:15,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:06:15,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:06:15,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d441ca18-460b-4bdb-b541-fa3b82551cd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:06:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:06:47,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:06:47,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:06:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:06:47,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:06:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:06:47,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:06:47,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740215709] [2022-11-19 08:06:47,585 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:06:47,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465182455] [2022-11-19 08:06:47,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465182455] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:06:47,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1214819345] [2022-11-19 08:06:47,607 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 08:06:47,607 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:06:47,612 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:06:47,618 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:06:47,618 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:06:47,771 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:47,777 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:47,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:47,803 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 08:06:47,804 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:47,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:06:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:47,851 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:06:47,852 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:47,950 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:06:47,950 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:47,982 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:47,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:47,999 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,020 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:48,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:06:48,580 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:48,613 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:48,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-19 08:06:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-19 08:06:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-11-19 08:06:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:48,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:06:49,021 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,041 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,125 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:06:49,243 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,337 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:06:49,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 08:06:49,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,445 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:06:49,445 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,687 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,693 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,699 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,762 INFO L350 Elim1Store]: Elim1 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 64 treesize of output 63 [2022-11-19 08:06:49,772 INFO L350 Elim1Store]: Elim1 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 66 treesize of output 65 [2022-11-19 08:06:49,782 INFO L350 Elim1Store]: Elim1 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 64 treesize of output 63 [2022-11-19 08:06:49,807 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,813 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,820 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:49,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:06:49,972 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:49,996 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:50,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:50,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:06:50,307 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:50,326 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 08:06:51,693 INFO L217 Elim1Store]: Index analysis took 907 ms [2022-11-19 08:06:56,317 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-19 08:06:56,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 08:06:57,525 INFO L217 Elim1Store]: Index analysis took 1060 ms [2022-11-19 08:07:03,290 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 109 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:07:03,290 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-19 08:07:03,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-11-19 08:07:14,087 WARN L233 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:07:14,087 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 08:07:14,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 08:07:35,411 WARN L233 SmtUtils]: Spent 21.14s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:07:35,412 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:07:35,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-19 08:07:36,300 INFO L217 Elim1Store]: Index analysis took 672 ms [2022-11-19 08:07:52,007 WARN L233 SmtUtils]: Spent 15.31s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:07:52,008 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-19 08:07:52,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-19 08:07:53,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:53,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:53,355 INFO L217 Elim1Store]: Index analysis took 303 ms [2022-11-19 08:07:53,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 97 [2022-11-19 08:07:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:53,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:53,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-19 08:07:53,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:07:54,211 INFO L217 Elim1Store]: Index analysis took 120 ms [2022-11-19 08:07:54,748 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 08:07:54,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 08:07:54,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 08:07:55,259 INFO L217 Elim1Store]: Index analysis took 296 ms [2022-11-19 08:07:55,955 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:07:55,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 08:07:56,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:56,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-19 08:07:56,392 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:07:57,909 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:08:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:02,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:08:02,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:08:02,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:02,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 15 [2022-11-19 08:08:02,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:02,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-19 08:08:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:03,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 18 [2022-11-19 08:08:03,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:08:03,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:08:06,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:06,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:06,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 20 [2022-11-19 08:08:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:06,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 08:08:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-19 08:08:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 20 [2022-11-19 08:09:25,022 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 12814 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)