./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P --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 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:46,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:46,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:46,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:46,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:46,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:46,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:46,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:46,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:46,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:46,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:46,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:46,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:46,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:46,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:46,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:46,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:46,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:46,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:46,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:46,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:46,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:46,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:46,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:46,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:46,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:46,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:46,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:46,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:46,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:46,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:46,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:46,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:46,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:46,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:46,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:46,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:46,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:46,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:46,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:46,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:46,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:35:46,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:46,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:46,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:46,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:46,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:46,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:46,989 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:46,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:46,990 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:46,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:46,990 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:46,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:46,990 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:46,991 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:46,991 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:46,991 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:46,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:46,991 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:46,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:46,992 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:46,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:46,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:46,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:46,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:46,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:46,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:46,994 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:46,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:46,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:46,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:46,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:46,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:46,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:46,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:46,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:46,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:46,995 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:46,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:46,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:46,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:46,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:46,996 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2021-11-20 23:35:47,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:47,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:47,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:47,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:47,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:47,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-20 23:35:47,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/data/8524ee873/4786517dcb684e678ea9516f19dc7769/FLAGd73cf67d5 [2021-11-20 23:35:47,951 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:47,952 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-20 23:35:47,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/data/8524ee873/4786517dcb684e678ea9516f19dc7769/FLAGd73cf67d5 [2021-11-20 23:35:48,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/data/8524ee873/4786517dcb684e678ea9516f19dc7769 [2021-11-20 23:35:48,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:48,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:48,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:48,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:48,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:48,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:48" (1/1) ... [2021-11-20 23:35:48,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72221c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:48, skipping insertion in model container [2021-11-20 23:35:48,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:48" (1/1) ... [2021-11-20 23:35:48,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:48,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:48,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-20 23:35:48,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-20 23:35:48,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:48,901 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:48,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-20 23:35:48,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-20 23:35:48,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:49,055 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:49,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49 WrapperNode [2021-11-20 23:35:49,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:49,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:49,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:49,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:49,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,169 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 884 [2021-11-20 23:35:49,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:49,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:49,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:49,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:49,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:49,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:49,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:49,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:49,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (1/1) ... [2021-11-20 23:35:49,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:49,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:49,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:49,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:35:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:35:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:35:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:35:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:35:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:35:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:35:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:35:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:35:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:35:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:35:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:35:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:35:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:49,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:49,587 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:49,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:50,448 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:50,733 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:50,733 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-20 23:35:50,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:50 BoogieIcfgContainer [2021-11-20 23:35:50,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:50,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:50,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:50,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:50,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:48" (1/3) ... [2021-11-20 23:35:50,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b75d887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:50, skipping insertion in model container [2021-11-20 23:35:50,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:49" (2/3) ... [2021-11-20 23:35:50,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b75d887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:50, skipping insertion in model container [2021-11-20 23:35:50,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:50" (3/3) ... [2021-11-20 23:35:50,744 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2021-11-20 23:35:50,749 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:50,750 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 23:35:50,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:50,803 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:35:50,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 23:35:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 23:35:50,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 23:35:50,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:50,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:50,828 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:50,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:50,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1416617355, now seen corresponding path program 1 times [2021-11-20 23:35:50,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:50,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429565573] [2021-11-20 23:35:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:50,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:50,988 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:50,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429565573] [2021-11-20 23:35:50,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429565573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:50,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:50,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:50,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038493363] [2021-11-20 23:35:50,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:50,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:35:50,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:51,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:35:51,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:35:51,033 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:51,480 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2021-11-20 23:35:51,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:35:51,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-20 23:35:51,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:51,496 INFO L225 Difference]: With dead ends: 217 [2021-11-20 23:35:51,497 INFO L226 Difference]: Without dead ends: 107 [2021-11-20 23:35:51,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:35:51,504 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:51,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 23:35:51,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-20 23:35:51,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-20 23:35:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 23:35:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-20 23:35:51,551 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-20 23:35:51,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:51,551 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-20 23:35:51,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-20 23:35:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:35:51,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:51,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:51,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:35:51,555 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:51,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:51,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1000196391, now seen corresponding path program 1 times [2021-11-20 23:35:51,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:51,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127965848] [2021-11-20 23:35:51,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:51,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:51,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:51,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127965848] [2021-11-20 23:35:51,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127965848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:51,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:51,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:35:51,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404334750] [2021-11-20 23:35:51,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:51,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:51,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:51,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:51,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:51,647 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:52,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:52,726 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-20 23:35:52,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:52,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-20 23:35:52,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:52,734 INFO L225 Difference]: With dead ends: 222 [2021-11-20 23:35:52,735 INFO L226 Difference]: Without dead ends: 168 [2021-11-20 23:35:52,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:52,737 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:52,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:35:52,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-20 23:35:52,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-20 23:35:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 23:35:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-20 23:35:52,758 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-20 23:35:52,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:52,759 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-20 23:35:52,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-20 23:35:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 23:35:52,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:52,761 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:52,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:35:52,762 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:52,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:52,763 INFO L85 PathProgramCache]: Analyzing trace with hash -981044614, now seen corresponding path program 1 times [2021-11-20 23:35:52,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:52,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170425151] [2021-11-20 23:35:52,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:52,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:52,787 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:52,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014818509] [2021-11-20 23:35:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:52,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:52,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:52,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:52,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:35:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:52,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:35:53,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:53,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:53,221 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:53,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170425151] [2021-11-20 23:35:53,221 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:53,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014818509] [2021-11-20 23:35:53,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014818509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:53,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:53,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:53,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996837333] [2021-11-20 23:35:53,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:53,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:35:53,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:53,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:35:53,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:53,230 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:55,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:35:55,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:55,017 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-20 23:35:55,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:35:55,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-20 23:35:55,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:55,036 INFO L225 Difference]: With dead ends: 260 [2021-11-20 23:35:55,036 INFO L226 Difference]: Without dead ends: 154 [2021-11-20 23:35:55,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:55,038 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:55,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 23:35:55,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-20 23:35:55,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-20 23:35:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-20 23:35:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-20 23:35:55,084 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-20 23:35:55,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:55,085 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-20 23:35:55,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-20 23:35:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 23:35:55,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:55,089 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:55,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:55,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:55,300 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:55,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:55,301 INFO L85 PathProgramCache]: Analyzing trace with hash 2039789200, now seen corresponding path program 1 times [2021-11-20 23:35:55,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:55,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625430125] [2021-11-20 23:35:55,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:55,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:55,324 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:55,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121679397] [2021-11-20 23:35:55,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:55,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:55,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:55,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:55,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:35:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:55,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:35:55,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:35:55,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:55,785 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:55,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625430125] [2021-11-20 23:35:55,785 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:55,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121679397] [2021-11-20 23:35:55,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121679397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:55,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:55,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:55,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583198411] [2021-11-20 23:35:55,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:55,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:55,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:55,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:55,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:55,795 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:56,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:56,833 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-20 23:35:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:56,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-20 23:35:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:56,836 INFO L225 Difference]: With dead ends: 258 [2021-11-20 23:35:56,836 INFO L226 Difference]: Without dead ends: 122 [2021-11-20 23:35:56,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:56,839 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:56,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:35:56,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-20 23:35:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-20 23:35:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 23:35:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-20 23:35:56,853 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-20 23:35:56,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:56,854 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-20 23:35:56,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-20 23:35:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 23:35:56,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:56,857 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:56,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:57,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:57,071 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:57,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1917685262, now seen corresponding path program 1 times [2021-11-20 23:35:57,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:57,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361613426] [2021-11-20 23:35:57,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:57,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:57,092 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:57,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052888054] [2021-11-20 23:35:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:57,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:57,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:57,094 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:57,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:35:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:57,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:35:57,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:57,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:57,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:57,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:57,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361613426] [2021-11-20 23:35:57,976 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:57,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052888054] [2021-11-20 23:35:57,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052888054] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:57,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:57,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:57,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371614208] [2021-11-20 23:35:57,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:57,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:57,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:57,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:57,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:57,978 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:35:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:59,709 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-20 23:35:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:59,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-20 23:35:59,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:59,721 INFO L225 Difference]: With dead ends: 227 [2021-11-20 23:35:59,721 INFO L226 Difference]: Without dead ends: 124 [2021-11-20 23:35:59,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:59,723 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:59,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-20 23:35:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-20 23:35:59,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-20 23:35:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-20 23:35:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-20 23:35:59,742 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-20 23:35:59,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:59,743 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-20 23:35:59,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:35:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-20 23:35:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 23:35:59,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:59,745 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:59,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:59,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:59,971 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:59,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:59,972 INFO L85 PathProgramCache]: Analyzing trace with hash 759391854, now seen corresponding path program 1 times [2021-11-20 23:35:59,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:59,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157630350] [2021-11-20 23:35:59,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:59,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:59,988 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:59,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [418986155] [2021-11-20 23:35:59,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:59,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:59,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:59,990 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:00,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e435ffbc-de01-4393-9182-0d5d9df39c60/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:36:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:01,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:36:01,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:36:01,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:36:02,118 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:02,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157630350] [2021-11-20 23:36:02,118 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:36:02,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418986155] [2021-11-20 23:36:02,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418986155] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:36:02,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1556953406] [2021-11-20 23:36:02,139 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-20 23:36:02,139 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:36:02,144 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:36:02,149 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:36:02,150 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:36:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,303 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:36:02,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-20 23:36:02,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:36:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 26 treesize of output 28 [2021-11-20 23:36:02,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:36:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,384 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:36:02,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:36:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:36:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:36:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,573 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:36:02,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-20 23:36:02,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,663 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:36:02,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:36:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,731 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:36:02,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:36:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-20 23:36:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-20 23:36:04,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:36:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:36:04,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 96 [2021-11-20 23:36:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:36:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:36:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:36:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,659 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:36:04,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:36:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:36:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,788 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:36:04,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:36:04,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,876 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-20 23:36:04,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:36:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:36:05,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:36:05,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:36:05,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 23:36:05,596 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:36:05,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:36:05,623 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:36:05,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:36:05,654 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:36:05,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:36:05,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:36:05,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:36:05,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 23:36:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:36:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:36:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:36:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:36:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:36:06,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:06,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:36:13,036 WARN L227 SmtUtils]: Spent 6.52s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:36:13,037 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:36:13,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:36:13,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,164 WARN L227 SmtUtils]: Spent 12.08s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:36:25,165 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:36:25,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:36:38,975 WARN L227 SmtUtils]: Spent 13.68s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:36:38,977 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 23:36:38,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-20 23:36:39,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:40,276 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:36:40,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-20 23:36:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:40,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:41,345 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:36:41,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-20 23:36:43,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:43,253 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 23:36:43,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 46 treesize of output 30 [2021-11-20 23:36:43,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:43,756 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 23:36:43,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-20 23:36:44,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:44,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:44,688 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-20 23:36:44,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 848 treesize of output 386 [2021-11-20 23:36:45,537 INFO L244 Elim1Store]: Index analysis took 240 ms [2021-11-20 23:36:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:47,866 INFO L354 Elim1Store]: treesize reduction 474, result has 74.3 percent of original size [2021-11-20 23:36:47,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2205 treesize of output 3111 [2021-11-20 23:36:51,234 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:36:51,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 846 treesize of output 854 [2021-11-20 23:36:52,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:52,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 36 treesize of output 20 [2021-11-20 23:36:52,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:53,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:53,424 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-20 23:36:53,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 32 treesize of output 26 [2021-11-20 23:36:53,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:53,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:53,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-20 23:36:54,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:58,869 INFO L190 IndexEqualityManager]: detected not equals via solver