./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.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_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/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_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/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_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/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 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:14:56,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:14:56,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:14:56,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:14:56,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:14:56,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:14:56,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:14:56,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:14:56,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:14:56,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:14:56,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:14:56,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:14:56,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:14:56,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:14:56,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:14:56,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:14:56,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:14:56,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:14:56,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:14:56,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:14:56,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:14:56,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:14:56,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:14:56,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:14:56,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:14:56,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:14:56,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:14:56,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:14:56,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:14:56,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:14:56,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:14:56,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:14:56,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:14:56,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:14:56,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:14:56,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:14:56,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:14:56,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:14:56,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:14:56,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:14:56,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:14:56,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:14:57,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:14:57,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:14:57,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:14:57,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:14:57,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:14:57,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:14:57,013 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:14:57,013 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:14:57,014 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:14:57,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:14:57,023 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:14:57,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:14:57,024 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:14:57,024 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:14:57,025 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:14:57,025 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:14:57,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:14:57,026 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:14:57,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:14:57,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:14:57,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:14:57,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:14:57,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:14:57,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:14:57,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:14:57,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:14:57,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:14:57,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:14:57,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:14:57,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:14:57,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:14:57,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:14:57,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:14:57,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:14:57,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:14:57,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:14:57,035 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:14:57,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:14:57,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:14:57,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:14:57,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:14:57,036 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_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 [2021-11-21 00:14:57,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:14:57,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:14:57,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:14:57,449 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:14:57,450 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:14:57,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i [2021-11-21 00:14:57,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/data/6d5f6d671/8588bce8d1494478b75e343d77a17a68/FLAG71e195a17 [2021-11-21 00:14:58,292 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:14:58,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i [2021-11-21 00:14:58,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/data/6d5f6d671/8588bce8d1494478b75e343d77a17a68/FLAG71e195a17 [2021-11-21 00:14:58,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/data/6d5f6d671/8588bce8d1494478b75e343d77a17a68 [2021-11-21 00:14:58,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:14:58,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:14:58,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:14:58,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:14:58,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:14:58,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:58" (1/1) ... [2021-11-21 00:14:58,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9a3287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:58, skipping insertion in model container [2021-11-21 00:14:58,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:58" (1/1) ... [2021-11-21 00:14:58,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:14:58,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:14:59,228 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_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2021-11-21 00:14:59,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:14:59,524 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:14:59,560 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_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2021-11-21 00:14:59,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:14:59,731 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:14:59,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59 WrapperNode [2021-11-21 00:14:59,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:14:59,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:14:59,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:14:59,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:14:59,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:14:59,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:14:59,893 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-21 00:14:59,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:14:59,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:14:59,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:14:59,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:14:59,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:14:59,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:14:59,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:14:59,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:15:00,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:15:00,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:15:00,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:15:00,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:15:00,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:15:00,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:15:00,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:15:00,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (1/1) ... [2021-11-21 00:15:00,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:15:00,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:15:00,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:15:00,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:15:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:15:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:15:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:15:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:15:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:15:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:15:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:15:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:15:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:15:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:15:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:15:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:15:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:15:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:15:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:15:00,608 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:15:00,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:15:02,131 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:15:02,723 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:15:02,724 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-21 00:15:02,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:15:02 BoogieIcfgContainer [2021-11-21 00:15:02,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:15:02,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:15:02,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:15:02,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:15:02,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:14:58" (1/3) ... [2021-11-21 00:15:02,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5576246c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:15:02, skipping insertion in model container [2021-11-21 00:15:02,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:59" (2/3) ... [2021-11-21 00:15:02,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5576246c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:15:02, skipping insertion in model container [2021-11-21 00:15:02,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:15:02" (3/3) ... [2021-11-21 00:15:02,742 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-2.i [2021-11-21 00:15:02,750 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:15:02,750 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:15:02,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:15:02,852 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 [2021-11-21 00:15:02,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:15:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:15:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:15:02,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:02,903 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:02,904 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:15:02,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:02,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-21 00:15:02,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:02,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075925122] [2021-11-21 00:15:02,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:02,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:15:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:15:03,132 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:15:03,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075925122] [2021-11-21 00:15:03,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075925122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:15:03,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:15:03,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:15:03,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044515942] [2021-11-21 00:15:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:15:03,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:15:03,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:15:03,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:15:03,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:15:03,183 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:15:05,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:15:05,753 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-21 00:15:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:15:05,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 00:15:05,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:15:05,780 INFO L225 Difference]: With dead ends: 375 [2021-11-21 00:15:05,780 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 00:15:05,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:15:05,800 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:15:05,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 00:15:05,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 00:15:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 00:15:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:15:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 00:15:05,884 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 00:15:05,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:15:05,884 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 00:15:05,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:15:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 00:15:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:15:05,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:05,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:05,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:15:05,890 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:15:05,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-21 00:15:05,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:05,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407175110] [2021-11-21 00:15:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:05,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:05,921 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:15:05,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394134500] [2021-11-21 00:15:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:05,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:15:05,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:15:05,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:15:05,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:15:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:15:06,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:15:06,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:15:06,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:15:06,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:15:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:15:06,599 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:15:06,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407175110] [2021-11-21 00:15:06,599 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:15:06,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394134500] [2021-11-21 00:15:06,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394134500] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:15:06,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1068240281] [2021-11-21 00:15:06,645 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 00:15:06,646 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:15:06,655 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:15:06,664 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:15:06,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:15:06,964 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:15:06,965 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:15:07,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:15:07,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:07,052 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 22 treesize of output 7 [2021-11-21 00:15:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:07,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:07,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:15:07,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:07,114 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 22 treesize of output 7 [2021-11-21 00:15:08,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,444 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 [2021-11-21 00:15:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:15:08,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:15:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,650 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 [2021-11-21 00:15:08,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,731 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:15:08,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:15:08,788 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:15:08,788 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 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:15:08,872 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:15:08,873 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:15:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,954 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 22 treesize of output 7 [2021-11-21 00:15:08,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:08,979 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 22 treesize of output 7 [2021-11-21 00:15:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:15:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:15:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,503 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 [2021-11-21 00:15:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:10,590 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 [2021-11-21 00:15:10,641 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:15:11,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1068240281] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:15:11,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:15:11,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 00:15:11,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138005713] [2021-11-21 00:15:11,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:15:11,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:15:11,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:15:11,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:15:11,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:15:11,377 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:15:14,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:15:15,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:15:15,466 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 00:15:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:15:15,466 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 00:15:15,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:15:15,468 INFO L225 Difference]: With dead ends: 265 [2021-11-21 00:15:15,469 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 00:15:15,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:15:15,474 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:15:15,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-21 00:15:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 00:15:15,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 00:15:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:15:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 00:15:15,495 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 00:15:15,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:15:15,496 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 00:15:15,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:15:15,497 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 00:15:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 00:15:15,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:15,500 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:15,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:15:15,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:15:15,719 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:15:15,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-21 00:15:15,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:15,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731428574] [2021-11-21 00:15:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:15,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:15,745 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:15:15,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063477498] [2021-11-21 00:15:15,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:15,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:15:15,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:15:15,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:15:15,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:15:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:15:16,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:15:16,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:15:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:15:16,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:15:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:15:16,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:15:16,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731428574] [2021-11-21 00:15:16,582 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:15:16,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063477498] [2021-11-21 00:15:16,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063477498] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:15:16,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2021107815] [2021-11-21 00:15:16,588 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 00:15:16,589 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:15:16,589 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:15:16,589 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:15:16,590 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:15:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:16,812 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 [2021-11-21 00:15:16,858 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:15:16,859 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 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:15:16,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:16,896 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 [2021-11-21 00:15:16,950 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:15:16,951 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:15:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:16,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:16,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:15:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,372 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 [2021-11-21 00:15:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:15:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:15:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,561 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 [2021-11-21 00:15:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,649 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 [2021-11-21 00:15:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,750 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 [2021-11-21 00:15:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:15:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:15:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,982 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 [2021-11-21 00:15:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,043 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:15:19,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:15:19,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,114 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 100 treesize of output 105 [2021-11-21 00:15:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,176 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 00:15:19,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 125 [2021-11-21 00:15:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:19,264 INFO L354 Elim1Store]: treesize reduction 176, result has 10.7 percent of original size [2021-11-21 00:15:19,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 116 treesize of output 119 [2021-11-21 00:15:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:20,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-21 00:15:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:20,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:20,187 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:15:20,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 00:15:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:20,237 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 [2021-11-21 00:15:20,285 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:15:20,288 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:15:20,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:15:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,639 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 [2021-11-21 00:15:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,666 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 [2021-11-21 00:15:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:15:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:15:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,858 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 [2021-11-21 00:15:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:21,966 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 [2021-11-21 00:15:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 00:15:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,145 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:15:22,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:15:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,207 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 [2021-11-21 00:15:22,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,267 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 100 treesize of output 105 [2021-11-21 00:15:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,386 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 00:15:22,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:15:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:22,437 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 00:15:22,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:15:23,402 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 00:15:23,735 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:15:25,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2021107815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:15:25,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:15:25,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 00:15:25,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008909190] [2021-11-21 00:15:25,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:15:25,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 00:15:25,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:15:25,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 00:15:25,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:15:25,090 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:15:27,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:15:30,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:15:31,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:15:31,328 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 00:15:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 00:15:31,329 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 00:15:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:15:31,331 INFO L225 Difference]: With dead ends: 267 [2021-11-21 00:15:31,331 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 00:15:31,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:15:31,334 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:15:31,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 149 Invalid, 1 Unknown, 76 Unchecked, 6.2s Time] [2021-11-21 00:15:31,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 00:15:31,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 00:15:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 00:15:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 00:15:31,356 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 00:15:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:15:31,357 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 00:15:31,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:15:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 00:15:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:15:31,360 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:31,360 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:31,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:15:31,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:15:31,575 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:15:31,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:31,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-21 00:15:31,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:31,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607441245] [2021-11-21 00:15:31,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:31,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:31,614 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:15:31,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564994887] [2021-11-21 00:15:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:31,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:15:31,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:15:31,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:15:31,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e426a3e9-9ce3-48b0-b125-c0f22ea2f8ce/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:15:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:15:31,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:15:31,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:15:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:15:32,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:15:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:15:32,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:15:32,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607441245] [2021-11-21 00:15:32,378 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:15:32,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564994887] [2021-11-21 00:15:32,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564994887] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:15:32,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [408785752] [2021-11-21 00:15:32,383 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 00:15:32,384 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:15:32,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:15:32,385 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:15:32,385 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:15:32,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:32,584 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 [2021-11-21 00:15:32,624 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:15:32,624 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:15:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:32,682 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 22 treesize of output 7 [2021-11-21 00:15:32,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:15:32,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:32,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:32,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 00:15:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,037 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 [2021-11-21 00:15:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,103 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 [2021-11-21 00:15:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:15:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:15:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,295 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 [2021-11-21 00:15:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,318 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 [2021-11-21 00:15:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:15:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:15:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,553 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 [2021-11-21 00:15:34,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,598 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:15:34,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:15:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,663 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 100 treesize of output 105 [2021-11-21 00:15:34,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,766 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 00:15:34,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:15:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,821 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 00:15:34,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:15:35,406 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 [2021-11-21 00:15:35,415 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 [2021-11-21 00:15:35,430 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 [2021-11-21 00:15:35,480 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:15:35,480 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 [2021-11-21 00:15:35,515 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:15:35,516 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 [2021-11-21 00:15:35,547 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:15:35,547 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 [2021-11-21 00:15:35,722 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 [2021-11-21 00:15:35,737 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 [2021-11-21 00:15:35,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:15:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:15:35,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,879 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 [2021-11-21 00:15:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,039 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 [2021-11-21 00:15:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,369 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 [2021-11-21 00:15:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:15:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:36,501 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 [2021-11-21 00:15:44,906 WARN L227 SmtUtils]: Spent 8.27s 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) [2021-11-21 00:15:44,906 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:15:44,907 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 2837 treesize of output 2314 [2021-11-21 00:15:44,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:59,611 WARN L227 SmtUtils]: Spent 14.66s 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) [2021-11-21 00:15:59,611 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:15:59,612 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 2938 treesize of output 2656 [2021-11-21 00:16:13,456 WARN L227 SmtUtils]: Spent 13.72s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:16:13,457 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:16:13,458 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 2906 treesize of output 2676 [2021-11-21 00:16:14,905 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 00:16:14,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25944 treesize of output 25955 [2021-11-21 00:16:16,132 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 00:16:16,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25943 treesize of output 25955 [2021-11-21 00:16:18,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:16:19,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:19,196 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:16:19,197 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 50 treesize of output 32 [2021-11-21 00:16:19,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:19,834 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:16:19,834 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 51 treesize of output 61