./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur --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 c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- 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-38b53e6 [2022-11-25 23:21:51,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:21:51,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:21:51,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:21:51,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:21:51,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:21:51,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:21:51,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:21:51,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:21:51,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:21:51,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:21:51,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:21:51,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:21:51,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:21:51,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:21:51,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:21:51,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:21:51,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:21:51,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:21:51,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:21:51,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:21:51,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:21:51,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:21:51,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:21:51,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:21:51,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:21:51,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:21:51,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:21:51,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:21:51,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:21:51,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:21:51,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:21:51,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:21:51,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:21:51,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:21:51,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:21:51,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:21:51,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:21:51,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:21:51,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:21:51,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:21:51,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:21:51,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:21:51,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:21:51,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:21:51,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:21:51,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:21:51,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:21:51,389 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:21:51,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:21:51,390 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:21:51,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:21:51,391 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:21:51,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:21:51,392 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:21:51,392 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:21:51,392 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:21:51,392 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:21:51,393 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:21:51,393 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:21:51,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:21:51,394 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:21:51,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:21:51,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:21:51,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:21:51,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:21:51,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:21:51,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:21:51,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:21:51,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:21:51,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:21:51,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:21:51,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:21:51,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:21:51,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:21:51,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:21:51,399 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:21:51,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:21:51,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:21:51,400 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:21:51,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:21:51,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:21:51,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:21:51,401 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_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2022-11-25 23:21:51,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:21:51,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:21:51,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:21:51,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:21:51,736 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:21:51,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-11-25 23:21:54,804 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:21:55,148 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:21:55,148 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2022-11-25 23:21:55,164 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/data/c3984fc73/732aafa76a234453bb29030ac4d26215/FLAGfed8acc8a [2022-11-25 23:21:55,181 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/data/c3984fc73/732aafa76a234453bb29030ac4d26215 [2022-11-25 23:21:55,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:21:55,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:21:55,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:21:55,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:21:55,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:21:55,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:21:55" (1/1) ... [2022-11-25 23:21:55,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386025de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:55, skipping insertion in model container [2022-11-25 23:21:55,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:21:55" (1/1) ... [2022-11-25 23:21:55,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:21:55,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:21:55,721 WARN L237 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_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-11-25 23:21:55,874 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:21:55,886 WARN L237 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_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-11-25 23:21:55,891 WARN L237 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_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-11-25 23:21:55,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:21:55,917 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:21:55,972 WARN L237 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_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2022-11-25 23:21:56,025 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:21:56,032 WARN L237 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_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2022-11-25 23:21:56,033 WARN L237 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_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2022-11-25 23:21:56,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:21:56,074 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:21:56,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56 WrapperNode [2022-11-25 23:21:56,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:21:56,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:21:56,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:21:56,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:21:56,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,182 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-11-25 23:21:56,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:21:56,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:21:56,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:21:56,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:21:56,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:21:56,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:21:56,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:21:56,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:21:56,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (1/1) ... [2022-11-25 23:21:56,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:21:56,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:21:56,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:21:56,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:21:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:21:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:21:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:21:56,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:21:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:21:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:21:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:21:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:21:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:21:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:21:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:21:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:21:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:21:56,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:21:56,712 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:21:56,714 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:21:58,358 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:21:58,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:21:58,803 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-25 23:21:58,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:21:58 BoogieIcfgContainer [2022-11-25 23:21:58,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:21:58,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:21:58,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:21:58,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:21:58,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:21:55" (1/3) ... [2022-11-25 23:21:58,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efb165d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:21:58, skipping insertion in model container [2022-11-25 23:21:58,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:21:56" (2/3) ... [2022-11-25 23:21:58,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efb165d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:21:58, skipping insertion in model container [2022-11-25 23:21:58,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:21:58" (3/3) ... [2022-11-25 23:21:58,818 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2022-11-25 23:21:58,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:21:58,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:21:58,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:21:58,914 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;@5efd20e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:21:58,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:21:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:21:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:21:58,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:58,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:58,929 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:21:58,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:58,937 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-11-25 23:21:58,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:58,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205254980] [2022-11-25 23:21:58,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:21:59,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:59,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205254980] [2022-11-25 23:21:59,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205254980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:59,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:59,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:21:59,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796767072] [2022-11-25 23:21:59,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:59,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:21:59,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:59,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:21:59,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:21:59,204 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-25 23:21:59,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:59,700 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-11-25 23:21:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:21:59,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-25 23:21:59,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:59,715 INFO L225 Difference]: With dead ends: 215 [2022-11-25 23:21:59,715 INFO L226 Difference]: Without dead ends: 107 [2022-11-25 23:21:59,718 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 [2022-11-25 23:21:59,722 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:59,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 23:21:59,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-25 23:21:59,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-25 23:21:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:21:59,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-11-25 23:21:59,772 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-11-25 23:21:59,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:59,772 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-11-25 23:21:59,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-25 23:21:59,773 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-11-25 23:21:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 23:21:59,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:59,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:59,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:21:59,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:21:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-11-25 23:21:59,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:59,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561512286] [2022-11-25 23:21:59,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:22:00,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:00,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561512286] [2022-11-25 23:22:00,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561512286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:00,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:00,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:22:00,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451095845] [2022-11-25 23:22:00,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:00,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:22:00,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:00,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:22:00,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:22:00,030 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-25 23:22:02,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:22:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:02,691 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-11-25 23:22:02,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:22:02,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-25 23:22:02,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:02,698 INFO L225 Difference]: With dead ends: 219 [2022-11-25 23:22:02,698 INFO L226 Difference]: Without dead ends: 165 [2022-11-25 23:22:02,698 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 [2022-11-25 23:22:02,700 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:02,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 23:22:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-25 23:22:02,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-11-25 23:22:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:22:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-11-25 23:22:02,714 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-11-25 23:22:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:02,715 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-11-25 23:22:02,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-25 23:22:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-11-25 23:22:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 23:22:02,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:02,717 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] [2022-11-25 23:22:02,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:22:02,717 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:22:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:02,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-11-25 23:22:02,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:02,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894160595] [2022-11-25 23:22:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:02,909 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:22:02,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578242596] [2022-11-25 23:22:02,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:02,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:02,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:22:02,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:22:02,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:22:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:03,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:22:03,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:22:03,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:22:03,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:03,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894160595] [2022-11-25 23:22:03,815 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:22:03,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578242596] [2022-11-25 23:22:03,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578242596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:03,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:03,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:22:03,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207307788] [2022-11-25 23:22:03,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:03,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:22:03,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:03,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:22:03,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:22:03,823 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2022-11-25 23:22:05,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:05,468 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-11-25 23:22:05,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:22:05,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2022-11-25 23:22:05,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:05,475 INFO L225 Difference]: With dead ends: 265 [2022-11-25 23:22:05,476 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 23:22:05,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:22:05,477 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:05,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 23:22:05,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 23:22:05,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-11-25 23:22:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:22:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-11-25 23:22:05,493 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-11-25 23:22:05,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:05,493 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-11-25 23:22:05,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2022-11-25 23:22:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-11-25 23:22:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 23:22:05,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:05,496 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] [2022-11-25 23:22:05,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:22:05,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:05,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:22:05,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:05,707 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-11-25 23:22:05,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:05,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640828452] [2022-11-25 23:22:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:05,796 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:22:05,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236183203] [2022-11-25 23:22:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:05,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:05,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:22:05,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:22:05,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:22:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:06,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:22:06,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:06,437 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 11 treesize of output 7 [2022-11-25 23:22:06,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 23:22:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:22:06,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:22:06,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:06,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640828452] [2022-11-25 23:22:06,458 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:22:06,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236183203] [2022-11-25 23:22:06,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236183203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:06,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:06,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:22:06,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139541046] [2022-11-25 23:22:06,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:06,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:22:06,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:06,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:22:06,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:22:06,462 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2022-11-25 23:22:08,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:22:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:08,886 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-11-25 23:22:08,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:22:08,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 46 [2022-11-25 23:22:08,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:08,894 INFO L225 Difference]: With dead ends: 201 [2022-11-25 23:22:08,895 INFO L226 Difference]: Without dead ends: 197 [2022-11-25 23:22:08,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:22:08,896 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:08,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 23:22:08,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-25 23:22:08,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-11-25 23:22:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:22:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-11-25 23:22:08,911 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-11-25 23:22:08,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:08,913 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-11-25 23:22:08,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2022-11-25 23:22:08,914 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-11-25 23:22:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 23:22:08,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:08,915 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] [2022-11-25 23:22:08,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:22:09,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-25 23:22:09,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:22:09,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:09,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-11-25 23:22:09,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:09,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316402864] [2022-11-25 23:22:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:09,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:09,206 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:22:09,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1337089457] [2022-11-25 23:22:09,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:09,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:09,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:22:09,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:22:09,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:22:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:09,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:22:09,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:22:09,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:22:09,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:09,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316402864] [2022-11-25 23:22:09,997 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:22:09,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337089457] [2022-11-25 23:22:09,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337089457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:09,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:09,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:22:09,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142936518] [2022-11-25 23:22:09,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:09,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:22:09,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:10,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:22:10,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:22:10,001 INFO L87 Difference]: Start difference. First operand 154 states and 178 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) [2022-11-25 23:22:10,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:10,774 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-11-25 23:22:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:22:10,778 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 [2022-11-25 23:22:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:10,780 INFO L225 Difference]: With dead ends: 344 [2022-11-25 23:22:10,780 INFO L226 Difference]: Without dead ends: 206 [2022-11-25 23:22:10,781 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 [2022-11-25 23:22:10,782 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:10,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:22:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-25 23:22:10,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-11-25 23:22:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:22:10,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-11-25 23:22:10,806 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-11-25 23:22:10,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:10,806 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-11-25 23:22:10,807 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) [2022-11-25 23:22:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-11-25 23:22:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 23:22:10,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:10,809 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] [2022-11-25 23:22:10,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:22:11,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:11,018 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:22:11,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:11,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-11-25 23:22:11,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:11,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783656908] [2022-11-25 23:22:11,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:11,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:11,089 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:22:11,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967603324] [2022-11-25 23:22:11,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:11,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:11,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:22:11,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:22:11,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:22:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:26,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:22:26,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:22:26,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:22:26,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:26,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783656908] [2022-11-25 23:22:26,068 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:22:26,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967603324] [2022-11-25 23:22:26,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967603324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:26,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:26,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:22:26,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778363250] [2022-11-25 23:22:26,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:26,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:22:26,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:26,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:22:26,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:22:26,071 INFO L87 Difference]: Start difference. First operand 199 states and 232 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) [2022-11-25 23:22:27,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:27,820 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-11-25 23:22:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:22:27,826 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 [2022-11-25 23:22:27,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:27,829 INFO L225 Difference]: With dead ends: 381 [2022-11-25 23:22:27,829 INFO L226 Difference]: Without dead ends: 201 [2022-11-25 23:22:27,829 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 [2022-11-25 23:22:27,830 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:27,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:22:27,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-25 23:22:27,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-25 23:22:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-25 23:22:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-11-25 23:22:27,875 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-11-25 23:22:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:27,875 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-11-25 23:22:27,875 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) [2022-11-25 23:22:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-11-25 23:22:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:22:27,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:27,878 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] [2022-11-25 23:22:27,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:22:28,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:28,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:22:28,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-11-25 23:22:28,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:28,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389225274] [2022-11-25 23:22:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:28,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:28,178 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:22:28,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412559147] [2022-11-25 23:22:28,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:28,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:22:28,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:22:28,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c4cdb-e9e6-46d7-8646-0b99fd28acad/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:22:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:49,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 23:22:49,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:22:49,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:22:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:22:50,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:50,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389225274] [2022-11-25 23:22:50,082 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:22:50,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412559147] [2022-11-25 23:22:50,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412559147] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:22:50,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [884453072] [2022-11-25 23:22:50,113 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 23:22:50,113 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:22:50,119 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:22:50,126 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:22:50,126 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:22:50,283 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 [2022-11-25 23:22:50,289 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 [2022-11-25 23:22:50,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,313 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:22:50,313 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 [2022-11-25 23:22:50,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,348 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:22:50,349 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 [2022-11-25 23:22:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:22:50,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:22:50,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,458 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:22:50,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-25 23:22:50,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:22:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,543 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:22:50,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 23:22:50,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:50,603 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:22:50,604 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 [2022-11-25 23:22:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,088 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 [2022-11-25 23:22:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,151 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 [2022-11-25 23:22:51,197 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 [2022-11-25 23:22:51,224 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 [2022-11-25 23:22:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,325 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 [2022-11-25 23:22:51,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,427 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 [2022-11-25 23:22:51,462 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 [2022-11-25 23:22:51,482 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 [2022-11-25 23:22:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,564 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 [2022-11-25 23:22:51,603 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 [2022-11-25 23:22:51,632 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 [2022-11-25 23:22:51,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,714 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:22:51,715 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 [2022-11-25 23:22:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:51,813 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:22:51,813 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 [2022-11-25 23:22:52,002 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 [2022-11-25 23:22:52,007 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 [2022-11-25 23:22:52,013 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 [2022-11-25 23:22:52,044 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 [2022-11-25 23:22:52,054 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 [2022-11-25 23:22:52,064 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 [2022-11-25 23:22:52,093 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 [2022-11-25 23:22:52,099 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 [2022-11-25 23:22:52,106 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 [2022-11-25 23:22:52,209 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 [2022-11-25 23:22:52,232 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 [2022-11-25 23:22:52,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 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 [2022-11-25 23:22:52,444 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 46 treesize of output 16 [2022-11-25 23:22:52,459 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 [2022-11-25 23:22:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:22:52,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 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 [2022-11-25 23:22:53,918 INFO L217 Elim1Store]: Index analysis took 1088 ms [2022-11-25 23:22:59,665 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:22:59,666 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 23:22:59,667 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 9519771 treesize of output 9519790 [2022-11-25 23:23:01,541 INFO L217 Elim1Store]: Index analysis took 1627 ms [2022-11-25 23:23:02,293 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 23:23:02,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-11-25 23:23:11,590 WARN L233 SmtUtils]: Spent 9.14s 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) [2022-11-25 23:23:11,591 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:23:11,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 23:23:11,904 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-25 23:23:42,045 WARN L233 SmtUtils]: Spent 30.14s 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) [2022-11-25 23:23:42,046 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:23:42,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-25 23:23:44,209 INFO L217 Elim1Store]: Index analysis took 1266 ms [2022-11-25 23:24:30,805 WARN L233 SmtUtils]: Spent 45.79s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:24:30,806 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-25 23:24:30,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-25 23:24:32,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:24:32,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 23:24:32,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:32,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:32,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:24:32,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-25 23:24:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:34,441 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 24 treesize of output 14 [2022-11-25 23:24:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:34,513 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 17 treesize of output 11 [2022-11-25 23:24:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:36,919 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 24 treesize of output 14 [2022-11-25 23:24:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:36,995 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 17 treesize of output 11 [2022-11-25 23:24:37,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:37,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:37,990 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-25 23:24:37,992 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 24 treesize of output 14 [2022-11-25 23:24:41,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:41,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:41,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:41,928 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 [2022-11-25 23:24:46,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:46,467 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 [2022-11-25 23:24:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:46,658 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 [2022-11-25 23:24:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:46,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:24:46,736 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 [2022-11-25 23:24:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:46,830 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 [2022-11-25 23:24:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:46,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2022-11-25 23:24:46,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:46,994 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 [2022-11-25 23:24:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:47,706 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 [2022-11-25 23:25:03,187 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-11-25 23:25:03,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 2242 treesize of output 20305 [2022-11-25 23:25:03,410 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 51 treesize of output 43 [2022-11-25 23:25:03,764 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:03,886 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:05,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:05,582 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 93 treesize of output 59 [2022-11-25 23:25:05,717 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:05,830 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:05,912 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:06,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:07,217 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:07,222 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:11,306 INFO L217 Elim1Store]: Index analysis took 1284 ms [2022-11-25 23:25:22,251 WARN L233 SmtUtils]: Spent 10.93s on a formula simplification. DAG size of input: 157 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:25:22,251 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-11-25 23:25:22,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 33989 treesize of output 333119 [2022-11-25 23:25:23,755 INFO L217 Elim1Store]: Index analysis took 1011 ms [2022-11-25 23:25:24,404 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-11-25 23:25:24,405 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 738 treesize of output 914 [2022-11-25 23:25:25,183 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 183 treesize of output 179 [2022-11-25 23:25:25,324 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:28,323 INFO L217 Elim1Store]: Index analysis took 1309 ms [2022-11-25 23:25:34,815 WARN L233 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 37 DAG size of output: 33 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:25:34,816 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-11-25 23:25:34,816 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 1 case distinctions, treesize of input 1265 treesize of output 909 [2022-11-25 23:25:37,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:37,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:40,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:53,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:54,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:25:54,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:03,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:03,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:08,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:10,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:10,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:12,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:16,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:16,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:16,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:17,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:17,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:17,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:17,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:17,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:17,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:18,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:18,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:18,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:18,701 INFO L217 Elim1Store]: Index analysis took 40800 ms [2022-11-25 23:26:18,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 53 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178801 treesize of output 4635574