./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:14:07,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:14:07,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:14:07,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:14:07,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:14:07,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:14:07,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:14:07,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:14:07,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:14:07,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:14:07,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:14:07,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:14:07,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:14:07,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:14:07,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:14:07,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:14:07,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:14:07,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:14:07,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:14:07,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:14:07,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:14:07,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:14:07,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:14:07,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:14:07,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:14:07,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:14:07,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:14:07,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:14:07,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:14:07,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:14:07,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:14:07,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:14:07,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:14:07,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:14:07,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:14:07,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:14:07,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:14:07,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:14:07,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:14:07,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:14:07,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:14:07,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:14:07,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:14:07,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:14:07,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:14:07,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:14:07,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:14:07,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:14:07,160 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:14:07,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:14:07,160 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:14:07,160 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:14:07,160 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:14:07,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:14:07,161 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:14:07,161 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:14:07,161 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:14:07,161 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:14:07,162 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:14:07,162 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:14:07,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:14:07,163 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:14:07,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:14:07,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:14:07,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:14:07,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:14:07,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:14:07,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:14:07,164 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:14:07,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:14:07,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:14:07,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:14:07,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:14:07,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:14:07,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:14:07,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:14:07,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:14:07,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:14:07,166 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:14:07,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:14:07,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:14:07,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:14:07,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:14:07,167 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_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2021-11-23 03:14:07,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:14:07,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:14:07,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:14:07,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:14:07,477 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:14:07,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-23 03:14:07,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/data/5731c57fe/71dbae2eb793411ab491e23be45c62cd/FLAG51c6e2ba9 [2021-11-23 03:14:08,116 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:14:08,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-23 03:14:08,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/data/5731c57fe/71dbae2eb793411ab491e23be45c62cd/FLAG51c6e2ba9 [2021-11-23 03:14:08,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/data/5731c57fe/71dbae2eb793411ab491e23be45c62cd [2021-11-23 03:14:08,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:14:08,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:14:08,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:14:08,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:14:08,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:14:08,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:14:08" (1/1) ... [2021-11-23 03:14:08,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57248798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:08, skipping insertion in model container [2021-11-23 03:14:08,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:14:08" (1/1) ... [2021-11-23 03:14:08,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:14:08,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:14:09,019 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_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-23 03:14:09,169 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_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-23 03:14:09,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:14:09,191 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:14:09,227 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_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-23 03:14:09,315 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_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-23 03:14:09,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:14:09,378 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:14:09,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09 WrapperNode [2021-11-23 03:14:09,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:14:09,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:14:09,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:14:09,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:14:09,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,498 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 884 [2021-11-23 03:14:09,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:14:09,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:14:09,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:14:09,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:14:09,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:14:09,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:14:09,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:14:09,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:14:09,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (1/1) ... [2021-11-23 03:14:09,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:14:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:14:09,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:14:09,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:14:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:14:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:14:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:14:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:14:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:14:09,871 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:14:09,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:14:10,843 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:14:11,219 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:14:11,219 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 03:14:11,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:14:11 BoogieIcfgContainer [2021-11-23 03:14:11,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:14:11,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:14:11,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:14:11,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:14:11,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:14:08" (1/3) ... [2021-11-23 03:14:11,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dd2a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:14:11, skipping insertion in model container [2021-11-23 03:14:11,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:09" (2/3) ... [2021-11-23 03:14:11,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dd2a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:14:11, skipping insertion in model container [2021-11-23 03:14:11,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:14:11" (3/3) ... [2021-11-23 03:14:11,234 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2021-11-23 03:14:11,244 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:14:11,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 03:14:11,314 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:14:11,330 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 [2021-11-23 03:14:11,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 03:14:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:14:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:14:11,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:14:11,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:14:11,362 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:14:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:14:11,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1416617355, now seen corresponding path program 1 times [2021-11-23 03:14:11,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:14:11,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124183569] [2021-11-23 03:14:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:11,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:14:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:14:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:14:11,535 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:14:11,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124183569] [2021-11-23 03:14:11,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124183569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:14:11,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:14:11,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:14:11,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748571576] [2021-11-23 03:14:11,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:14:11,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:14:11,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:14:11,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:14:11,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:14:11,574 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:14:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:14:12,012 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2021-11-23 03:14:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:14:12,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 03:14:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:14:12,029 INFO L225 Difference]: With dead ends: 217 [2021-11-23 03:14:12,029 INFO L226 Difference]: Without dead ends: 107 [2021-11-23 03:14:12,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:14:12,037 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:14:12,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 03:14:12,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-23 03:14:12,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-23 03:14:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:14:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-23 03:14:12,086 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-23 03:14:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:14:12,087 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-23 03:14:12,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:14:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-23 03:14:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 03:14:12,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:14:12,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:14:12,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:14:12,090 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:14:12,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:14:12,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1000196391, now seen corresponding path program 1 times [2021-11-23 03:14:12,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:14:12,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479570916] [2021-11-23 03:14:12,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:12,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:14:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:14:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:14:12,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:14:12,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479570916] [2021-11-23 03:14:12,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479570916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:14:12,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:14:12,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:14:12,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193578596] [2021-11-23 03:14:12,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:14:12,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:14:12,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:14:12,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:14:12,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:14:12,163 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:14:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:14:13,285 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-23 03:14:13,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:14:13,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-23 03:14:13,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:14:13,295 INFO L225 Difference]: With dead ends: 222 [2021-11-23 03:14:13,295 INFO L226 Difference]: Without dead ends: 168 [2021-11-23 03:14:13,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:14:13,298 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:14:13,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 03:14:13,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-23 03:14:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-23 03:14:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:14:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-23 03:14:13,316 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-23 03:14:13,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:14:13,316 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-23 03:14:13,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:14:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-23 03:14:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 03:14:13,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:14:13,319 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:14:13,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:14:13,319 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:14:13,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:14:13,320 INFO L85 PathProgramCache]: Analyzing trace with hash -981044614, now seen corresponding path program 1 times [2021-11-23 03:14:13,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:14:13,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860070465] [2021-11-23 03:14:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:13,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:14:13,342 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:14:13,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [139851677] [2021-11-23 03:14:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:13,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:13,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:14:13,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:14:13,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:14:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:14:13,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:14:13,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:14:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:14:13,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:14:13,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:14:13,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860070465] [2021-11-23 03:14:13,848 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:14:13,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139851677] [2021-11-23 03:14:13,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139851677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:14:13,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:14:13,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:14:13,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777731210] [2021-11-23 03:14:13,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:14:13,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:14:13,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:14:13,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:14:13,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:14:13,857 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:14:15,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:14:15,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:14:15,629 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-23 03:14:15,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:14:15,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-23 03:14:15,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:14:15,647 INFO L225 Difference]: With dead ends: 260 [2021-11-23 03:14:15,647 INFO L226 Difference]: Without dead ends: 154 [2021-11-23 03:14:15,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:14:15,650 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:14:15,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 03:14:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-23 03:14:15,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-23 03:14:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:14:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-23 03:14:15,669 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-23 03:14:15,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:14:15,670 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-23 03:14:15,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:14:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-23 03:14:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 03:14:15,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:14:15,673 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:14:15,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:14:15,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:15,885 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:14:15,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:14:15,886 INFO L85 PathProgramCache]: Analyzing trace with hash 2039789200, now seen corresponding path program 1 times [2021-11-23 03:14:15,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:14:15,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174166754] [2021-11-23 03:14:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:15,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:14:15,934 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:14:15,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18843239] [2021-11-23 03:14:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:15,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:15,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:14:15,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:14:15,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:14:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:14:16,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:14:16,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:14:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:14:16,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:14:16,321 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:14:16,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174166754] [2021-11-23 03:14:16,322 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:14:16,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18843239] [2021-11-23 03:14:16,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18843239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:14:16,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:14:16,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:14:16,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513400359] [2021-11-23 03:14:16,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:14:16,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:14:16,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:14:16,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:14:16,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:14:16,325 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:14:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:14:17,347 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-23 03:14:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:14:17,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-23 03:14:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:14:17,350 INFO L225 Difference]: With dead ends: 258 [2021-11-23 03:14:17,350 INFO L226 Difference]: Without dead ends: 122 [2021-11-23 03:14:17,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:14:17,352 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:14:17,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 03:14:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-23 03:14:17,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-23 03:14:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 03:14:17,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-23 03:14:17,367 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-23 03:14:17,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:14:17,368 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-23 03:14:17,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:14:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-23 03:14:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 03:14:17,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:14:17,371 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:14:17,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:14:17,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:17,593 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:14:17,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:14:17,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1917685262, now seen corresponding path program 1 times [2021-11-23 03:14:17,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:14:17,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600444961] [2021-11-23 03:14:17,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:17,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:14:17,617 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:14:17,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315926288] [2021-11-23 03:14:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:17,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:17,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:14:17,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:14:17,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:14:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:14:18,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:14:18,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:14:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:14:18,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:14:18,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:14:18,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600444961] [2021-11-23 03:14:18,502 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:14:18,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315926288] [2021-11-23 03:14:18,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315926288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:14:18,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:14:18,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:14:18,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222681635] [2021-11-23 03:14:18,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:14:18,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:14:18,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:14:18,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:14:18,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:14:18,505 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:14:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:14:20,052 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-23 03:14:20,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:14:20,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-23 03:14:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:14:20,074 INFO L225 Difference]: With dead ends: 227 [2021-11-23 03:14:20,074 INFO L226 Difference]: Without dead ends: 124 [2021-11-23 03:14:20,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:14:20,076 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:14:20,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 03:14:20,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-23 03:14:20,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-23 03:14:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-23 03:14:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-23 03:14:20,092 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-23 03:14:20,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:14:20,093 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-23 03:14:20,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:14:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-23 03:14:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:14:20,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:14:20,106 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:14:20,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:14:20,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:20,307 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:14:20,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:14:20,308 INFO L85 PathProgramCache]: Analyzing trace with hash 759391854, now seen corresponding path program 1 times [2021-11-23 03:14:20,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:14:20,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397076269] [2021-11-23 03:14:20,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:20,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:14:20,338 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:14:20,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128172632] [2021-11-23 03:14:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:14:20,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:14:20,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:14:20,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:14:20,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f2b0c6-8881-427c-b1ba-33c65ffc29d5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:14:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:14:21,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:14:21,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:14:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:14:22,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:14:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:14:22,367 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:14:22,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397076269] [2021-11-23 03:14:22,367 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:14:22,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128172632] [2021-11-23 03:14:22,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128172632] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:14:22,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [625201984] [2021-11-23 03:14:22,409 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-23 03:14:22,410 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:14:22,417 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:14:22,422 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:14:22,422 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:14:22,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,589 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 03:14:22,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 03:14:22,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:14:22,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:14:22,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:14:22,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,648 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:14:22,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 03:14:22,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 03:14:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,734 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 [2021-11-23 03:14:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,762 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:14:22,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-23 03:14:22,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,833 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:14:22,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 03:14:22,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:22,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-23 03:14:23,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-23 03:14:23,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-23 03:14:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:14:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:14:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 96 [2021-11-23 03:14:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:14:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:14:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:14:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:14:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 03:14:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,786 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:14:23,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 03:14:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,862 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 03:14:23,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 03:14:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:23,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:14:23,999 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 [2021-11-23 03:14:24,004 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 [2021-11-23 03:14:24,008 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 [2021-11-23 03:14:24,087 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:14:24,087 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 [2021-11-23 03:14:24,111 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:14:24,112 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 [2021-11-23 03:14:24,138 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:14:24,139 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 [2021-11-23 03:14:24,183 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 [2021-11-23 03:14:24,189 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 [2021-11-23 03:14:24,195 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 [2021-11-23 03:14:24,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:14:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:14:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:14:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:14:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:14:24,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:24,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:14:32,309 WARN L227 SmtUtils]: Spent 7.71s 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) [2021-11-23 03:14:32,310 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:14:32,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 03:14:32,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:42,351 WARN L227 SmtUtils]: Spent 9.99s 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) [2021-11-23 03:14:42,351 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:14:42,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 03:14:53,421 WARN L227 SmtUtils]: Spent 10.93s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:14:53,422 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 03:14:53,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 03:14:54,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:54,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:54,676 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:14:54,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-23 03:14:54,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:55,349 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 03:14:55,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-23 03:14:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:56,102 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 03:14:56,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 03:14:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:56,461 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:14:56,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 03:14:56,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:56,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:56,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-23 03:14:56,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:56,891 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 03:14:56,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 03:14:56,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:57,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-23 03:14:57,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:57,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:57,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:57,756 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-23 03:14:57,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 26 [2021-11-23 03:14:57,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:14:57,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:57,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 23 treesize of output 13 [2021-11-23 03:14:57,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:14:58,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-23 03:14:58,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:58,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:14:59,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:00,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:00,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:00,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,339 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:15:00,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3058 treesize of output 2838 [2021-11-23 03:15:00,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:00,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,540 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:15:00,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6988 treesize of output 6538 [2021-11-23 03:15:00,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:00,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:00,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:00,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:01,011 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-23 03:15:01,110 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:15:01,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3218 treesize of output 2986 [2021-11-23 03:15:01,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:01,229 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:01,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:01,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:01,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:01,430 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:15:01,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3118 treesize of output 2674 [2021-11-23 03:15:01,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:01,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:01,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:01,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:02,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3049 treesize of output 2617 [2021-11-23 03:15:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,599 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 6979 treesize of output 6535 [2021-11-23 03:15:02,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:02,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3209 treesize of output 2765 [2021-11-23 03:15:03,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:03,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3109 treesize of output 2671 [2021-11-23 03:15:03,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:03,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:04,213 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-23 03:15:04,213 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 3 case distinctions, treesize of input 3058 treesize of output 2982 [2021-11-23 03:15:04,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:04,507 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 03:15:04,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 6988 treesize of output 6538 [2021-11-23 03:15:04,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:05,260 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-23 03:15:05,261 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 3 case distinctions, treesize of input 3218 treesize of output 3142 [2021-11-23 03:15:05,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:05,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:05,662 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-23 03:15:05,748 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 03:15:05,748 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 3 case distinctions, treesize of input 3118 treesize of output 2674 [2021-11-23 03:15:06,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:06,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:06,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:06,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:06,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,104 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-23 03:15:07,269 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-23 03:15:07,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 7000 treesize of output 6554 [2021-11-23 03:15:07,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:07,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:07,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:07,887 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-11-23 03:15:07,902 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 03:15:07,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3230 treesize of output 2768 [2021-11-23 03:15:07,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:08,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,194 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-23 03:15:08,210 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 03:15:08,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3130 treesize of output 2674 [2021-11-23 03:15:08,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,479 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 03:15:08,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3070 treesize of output 2620 [2021-11-23 03:15:08,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:08,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 7000 treesize of output 6538 [2021-11-23 03:15:09,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:09,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:09,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:09,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,484 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-23 03:15:09,485 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 3230 treesize of output 2768 [2021-11-23 03:15:09,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,818 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-23 03:15:09,819 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 3130 treesize of output 2674 [2021-11-23 03:15:09,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:09,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3070 treesize of output 2620 [2021-11-23 03:15:10,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,475 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-23 03:15:10,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 7000 treesize of output 6538 [2021-11-23 03:15:10,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:10,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,789 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 3230 treesize of output 2768 [2021-11-23 03:15:10,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:10,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:10,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,005 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 3130 treesize of output 2674 [2021-11-23 03:15:11,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:11,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:15:11,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3070 treesize of output 2620 [2021-11-23 03:15:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:11,763 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-23 03:15:13,352 INFO L354 Elim1Store]: treesize reduction 1424, result has 39.1 percent of original size [2021-11-23 03:15:13,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 7009 treesize of output 7455 [2021-11-23 03:15:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:16,681 INFO L244 Elim1Store]: Index analysis took 154 ms [2021-11-23 03:15:16,884 INFO L354 Elim1Store]: treesize reduction 1810, result has 0.1 percent of original size [2021-11-23 03:15:16,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3079 treesize of output 2623 [2021-11-23 03:15:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:17,364 INFO L244 Elim1Store]: Index analysis took 258 ms [2021-11-23 03:15:19,819 INFO L354 Elim1Store]: treesize reduction 948, result has 49.4 percent of original size [2021-11-23 03:15:19,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3239 treesize of output 3695 [2021-11-23 03:15:20,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:20,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:15:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:21,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:21,148 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-23 03:15:21,351 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 03:15:21,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3139 treesize of output 2677 [2021-11-23 03:15:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:31,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:15:31,636 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-11-23 03:15:36,440 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-23 03:15:36,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 265544 treesize of output 265012 [2021-11-23 03:22:01,250 WARN L227 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 3838 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:22:40,495 WARN L227 SmtUtils]: Spent 30.80s on a formula simplification. DAG size of input: 3838 DAG size of output: 3838 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)