./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/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_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/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_2f41225c-a97f-4bb1-a236-2924f37b1405/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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:53:17,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:53:17,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:53:17,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:53:17,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:53:17,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:53:17,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:53:17,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:53:17,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:53:17,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:53:17,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:53:17,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:53:17,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:53:17,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:53:17,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:53:17,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:53:17,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:53:17,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:53:17,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:53:17,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:53:17,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:53:17,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:53:17,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:53:17,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:53:17,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:53:17,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:53:17,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:53:17,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:53:17,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:53:17,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:53:17,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:53:17,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:53:17,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:53:17,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:53:17,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:53:17,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:53:17,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:53:17,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:53:17,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:53:17,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:53:17,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:53:17,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 01:53:17,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:53:17,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:53:17,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:53:17,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:53:17,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:53:17,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:53:17,236 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:53:17,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:53:17,237 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:53:17,237 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:53:17,237 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:53:17,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:53:17,238 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:53:17,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:53:17,238 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:53:17,239 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:53:17,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:53:17,239 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:53:17,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:53:17,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:53:17,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:53:17,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:53:17,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:53:17,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:53:17,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:53:17,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:53:17,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:53:17,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:53:17,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:53:17,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:53:17,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:53:17,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:53:17,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:53:17,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:53:17,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:53:17,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:53:17,245 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:53:17,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:53:17,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:53:17,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:53:17,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:53:17,246 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_2f41225c-a97f-4bb1-a236-2924f37b1405/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2021-11-23 01:53:17,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:53:17,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:53:17,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:53:17,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:53:17,528 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:53:17,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-23 01:53:17,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/data/baf531a68/bbb37217a56140259f2806680d44e95c/FLAGad802cae1 [2021-11-23 01:53:18,354 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:53:18,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-23 01:53:18,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/data/baf531a68/bbb37217a56140259f2806680d44e95c/FLAGad802cae1 [2021-11-23 01:53:18,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/data/baf531a68/bbb37217a56140259f2806680d44e95c [2021-11-23 01:53:18,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:53:18,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:53:18,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:18,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:53:18,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:53:18,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:18" (1/1) ... [2021-11-23 01:53:18,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6de89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:18, skipping insertion in model container [2021-11-23 01:53:18,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:18" (1/1) ... [2021-11-23 01:53:18,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:53:18,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:53:19,054 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_2f41225c-a97f-4bb1-a236-2924f37b1405/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-23 01:53:19,149 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_2f41225c-a97f-4bb1-a236-2924f37b1405/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-23 01:53:19,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:53:19,164 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:53:19,225 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_2f41225c-a97f-4bb1-a236-2924f37b1405/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-23 01:53:19,335 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_2f41225c-a97f-4bb1-a236-2924f37b1405/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-23 01:53:19,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:53:19,424 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:53:19,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19 WrapperNode [2021-11-23 01:53:19,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:19,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:53:19,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:53:19,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:53:19,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,545 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 884 [2021-11-23 01:53:19,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:53:19,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:53:19,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:53:19,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:53:19,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:53:19,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:53:19,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:53:19,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:53:19,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (1/1) ... [2021-11-23 01:53:19,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:53:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:53:19,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:53:19,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:53:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:53:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:53:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:53:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 01:53:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:53:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:53:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:53:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:53:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:53:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:53:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:53:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:53:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:53:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:53:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:53:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:53:20,079 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:53:20,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:53:21,107 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:53:21,417 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:53:21,417 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 01:53:21,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:21 BoogieIcfgContainer [2021-11-23 01:53:21,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:53:21,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:53:21,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:53:21,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:53:21,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:53:18" (1/3) ... [2021-11-23 01:53:21,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ec0eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:21, skipping insertion in model container [2021-11-23 01:53:21,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:19" (2/3) ... [2021-11-23 01:53:21,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ec0eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:21, skipping insertion in model container [2021-11-23 01:53:21,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:21" (3/3) ... [2021-11-23 01:53:21,434 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2021-11-23 01:53:21,441 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:53:21,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 01:53:21,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:53:21,532 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 01:53:21,533 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 01:53:21,558 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 01:53:21,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:53:21,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:21,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:53:21,565 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:21,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:21,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1416617355, now seen corresponding path program 1 times [2021-11-23 01:53:21,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:21,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250590536] [2021-11-23 01:53:21,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:21,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:21,730 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 01:53:21,731 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:21,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250590536] [2021-11-23 01:53:21,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250590536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:21,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:21,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:53:21,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280266477] [2021-11-23 01:53:21,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:21,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 01:53:21,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 01:53:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:53:21,771 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 01:53:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:22,253 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2021-11-23 01:53:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 01:53:22,264 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 01:53:22,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:22,275 INFO L225 Difference]: With dead ends: 217 [2021-11-23 01:53:22,275 INFO L226 Difference]: Without dead ends: 107 [2021-11-23 01:53:22,279 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 01:53:22,283 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 01:53:22,285 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 01:53:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-23 01:53:22,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-23 01:53:22,329 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 01:53:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-23 01:53:22,333 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-23 01:53:22,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:22,334 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-23 01:53:22,334 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 01:53:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-23 01:53:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:53:22,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:22,337 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 01:53:22,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:53:22,338 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:22,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1000196391, now seen corresponding path program 1 times [2021-11-23 01:53:22,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:22,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85280959] [2021-11-23 01:53:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:22,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:22,410 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 01:53:22,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:22,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85280959] [2021-11-23 01:53:22,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85280959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:22,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:22,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:53:22,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262626566] [2021-11-23 01:53:22,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:22,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:53:22,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:22,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:53:22,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:53:22,422 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 01:53:23,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:23,612 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-23 01:53:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:53:23,617 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 01:53:23,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:23,620 INFO L225 Difference]: With dead ends: 222 [2021-11-23 01:53:23,620 INFO L226 Difference]: Without dead ends: 168 [2021-11-23 01:53:23,621 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 01:53:23,623 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 01:53:23,623 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 01:53:23,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-23 01:53:23,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-23 01:53:23,640 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 01:53:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-23 01:53:23,642 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-23 01:53:23,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:23,643 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-23 01:53:23,643 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 01:53:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-23 01:53:23,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:53:23,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:23,645 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 01:53:23,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:53:23,646 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:23,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:23,646 INFO L85 PathProgramCache]: Analyzing trace with hash -981044614, now seen corresponding path program 1 times [2021-11-23 01:53:23,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:23,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696826659] [2021-11-23 01:53:23,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:23,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:23,671 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:53:23,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1214074742] [2021-11-23 01:53:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:23,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:23,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:53:23,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:53:23,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:53:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:23,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:53:23,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:24,083 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 01:53:24,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:53:24,083 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:24,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696826659] [2021-11-23 01:53:24,084 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:53:24,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214074742] [2021-11-23 01:53:24,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214074742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:24,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:24,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:53:24,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735404759] [2021-11-23 01:53:24,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:24,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:53:24,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:24,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:53:24,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:53:24,087 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 01:53:26,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:53:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:26,053 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-23 01:53:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:53:26,070 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 01:53:26,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:26,072 INFO L225 Difference]: With dead ends: 260 [2021-11-23 01:53:26,072 INFO L226 Difference]: Without dead ends: 154 [2021-11-23 01:53:26,073 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 01:53:26,075 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:26,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 01:53:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-23 01:53:26,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-23 01:53:26,093 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 01:53:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-23 01:53:26,095 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-23 01:53:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:26,096 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-23 01:53:26,096 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 01:53:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-23 01:53:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:53:26,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:26,099 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 01:53:26,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 01:53:26,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:26,314 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:26,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:26,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2039789200, now seen corresponding path program 1 times [2021-11-23 01:53:26,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:26,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588815496] [2021-11-23 01:53:26,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:26,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:26,337 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:53:26,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561071423] [2021-11-23 01:53:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:26,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:53:26,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:53:26,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 01:53:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:26,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:53:26,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:26,769 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 01:53:26,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:53:26,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:26,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588815496] [2021-11-23 01:53:26,770 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:53:26,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561071423] [2021-11-23 01:53:26,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561071423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:26,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:26,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:53:26,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474555568] [2021-11-23 01:53:26,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:26,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:53:26,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:26,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:53:26,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:53:26,773 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 01:53:27,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:27,940 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-23 01:53:27,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:53:27,942 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 01:53:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:27,943 INFO L225 Difference]: With dead ends: 258 [2021-11-23 01:53:27,943 INFO L226 Difference]: Without dead ends: 122 [2021-11-23 01:53:27,945 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 01:53:27,946 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:27,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 01:53:27,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-23 01:53:27,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-23 01:53:27,959 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 01:53:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-23 01:53:27,961 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-23 01:53:27,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:27,962 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-23 01:53:27,962 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 01:53:27,962 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-23 01:53:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:53:27,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:27,965 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 01:53:28,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 01:53:28,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:28,182 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:28,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1917685262, now seen corresponding path program 1 times [2021-11-23 01:53:28,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:28,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965492793] [2021-11-23 01:53:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:28,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:28,209 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:53:28,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [717946504] [2021-11-23 01:53:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:28,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:28,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:53:28,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:53:28,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 01:53:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:28,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:53:28,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:29,063 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 01:53:29,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:53:29,064 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:29,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965492793] [2021-11-23 01:53:29,064 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:53:29,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717946504] [2021-11-23 01:53:29,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717946504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:29,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:29,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:53:29,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844430995] [2021-11-23 01:53:29,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:29,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:53:29,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:29,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:53:29,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:53:29,068 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 01:53:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:30,898 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-23 01:53:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:53:30,908 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 01:53:30,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:30,910 INFO L225 Difference]: With dead ends: 227 [2021-11-23 01:53:30,910 INFO L226 Difference]: Without dead ends: 124 [2021-11-23 01:53:30,911 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 01:53:30,912 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:30,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 01:53:30,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-23 01:53:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-23 01:53:30,926 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 01:53:30,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-23 01:53:30,928 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-23 01:53:30,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:30,928 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-23 01:53:30,928 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 01:53:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-23 01:53:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:53:30,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:30,932 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 01:53:30,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 01:53:31,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:31,157 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:53:31,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:31,158 INFO L85 PathProgramCache]: Analyzing trace with hash 759391854, now seen corresponding path program 1 times [2021-11-23 01:53:31,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:31,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603961556] [2021-11-23 01:53:31,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:31,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:31,184 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:53:31,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1572682350] [2021-11-23 01:53:31,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:31,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:53:31,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:53:31,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:53:31,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f41225c-a97f-4bb1-a236-2924f37b1405/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 01:53:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:33,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:53:33,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:53:33,160 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 01:53:33,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:53:33,412 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 01:53:33,412 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:33,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603961556] [2021-11-23 01:53:33,413 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:53:33,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572682350] [2021-11-23 01:53:33,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572682350] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:53:33,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [94952100] [2021-11-23 01:53:33,436 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-23 01:53:33,437 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:53:33,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:53:33,448 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:53:33,448 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:53:33,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,629 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 01:53:33,630 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 01:53:33,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 01:53:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,649 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 01:53:33,657 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 01:53:33,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,691 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 01:53:33,692 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 01:53:33,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,752 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 01:53:33,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,768 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 01:53:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,802 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:53:33,803 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 01:53:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,861 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:53:33,862 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 01:53:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:33,893 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 01:53:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,335 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 01:53:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,364 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 01:53:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,390 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 01:53:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,413 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 01:53:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,485 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 01:53:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,516 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 01:53:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,536 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 01:53:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,557 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 01:53:34,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,613 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 01:53:34,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,642 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 01:53:34,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,700 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 01:53:34,701 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 01:53:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,783 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 01:53:34,784 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 01:53:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:34,821 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 01:53:34,951 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 01:53:34,955 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 01:53:34,959 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 01:53:35,017 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 01:53:35,017 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 01:53:35,043 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:53:35,044 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 01:53:35,071 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:53:35,072 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 01:53:35,116 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 01:53:35,122 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 01:53:35,132 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 01:53:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,195 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 01:53:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,225 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 78 treesize of output 30 [2021-11-23 01:53:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,252 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 01:53:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,377 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 01:53:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,406 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 01:53:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:35,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 01:53:43,753 WARN L227 SmtUtils]: Spent 8.22s 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 01:53:43,754 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 01:53:43,755 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 01:53:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:54,577 WARN L227 SmtUtils]: Spent 10.77s 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 01:53:54,578 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 01:53:54,579 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 01:54:06,894 WARN L227 SmtUtils]: Spent 12.19s 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 01:54:06,896 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 01:54:06,897 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 01:54:07,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:07,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:08,242 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 01:54:08,243 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 01:54:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:08,949 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 01:54:08,950 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 01:54:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:09,722 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 01:54:09,722 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 01:54:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:10,049 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:54:10,050 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 01:54:10,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:10,265 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 01:54:10,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:10,506 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 01:54:10,506 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 01:54:10,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:10,709 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 01:54:10,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:10,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:11,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:11,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:11,334 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-23 01:54:11,335 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 01:54:11,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:11,412 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 01:54:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:11,556 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 01:54:11,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:11,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:13,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:13,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:13,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:13,981 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:54:13,982 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 01:54:14,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:14,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,167 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:54:14,168 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 01:54:14,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:14,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,520 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-23 01:54:14,619 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:54:14,619 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 01:54:14,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:14,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:14,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:14,967 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:54:14,967 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 01:54:15,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:15,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:15,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:15,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:15,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:15,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,026 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 01:54:16,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:16,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,127 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 01:54:16,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,409 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 01:54:16,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:16,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:16,695 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 01:54:17,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:17,117 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:17,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:17,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:17,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:17,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:17,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:17,771 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-23 01:54:17,771 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 01:54:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:17,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:18,077 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 01:54:18,078 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 01:54:18,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:18,832 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-23 01:54:18,833 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 01:54:18,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:18,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:19,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:19,250 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 01:54:19,250 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 01:54:19,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:19,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:19,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:19,823 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:20,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:20,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:20,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:20,593 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-23 01:54:20,747 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-23 01:54:20,748 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 01:54:21,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:21,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:21,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:21,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,418 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-23 01:54:21,433 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 01:54:21,433 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 01:54:21,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:21,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:21,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,709 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-23 01:54:21,722 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 01:54:21,722 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 01:54:21,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:21,968 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-23 01:54:21,968 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 01:54:22,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,441 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 01:54:22,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:22,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:22,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:22,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:22,964 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-23 01:54:22,965 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 01:54:23,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:23,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:23,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,279 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-23 01:54:23,281 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 01:54:23,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:23,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,526 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 01:54:23,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:23,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:23,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:23,945 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-23 01:54:23,947 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 01:54:24,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:24,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,261 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 0 case distinctions, treesize of input 3230 treesize of output 2768 [2021-11-23 01:54:24,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:24,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,464 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 01:54:24,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:54:24,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:24,692 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 01:54:25,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:25,238 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-23 01:54:26,913 INFO L354 Elim1Store]: treesize reduction 1424, result has 39.1 percent of original size [2021-11-23 01:54:26,914 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 01:54:30,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:30,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:30,311 INFO L244 Elim1Store]: Index analysis took 156 ms [2021-11-23 01:54:30,511 INFO L354 Elim1Store]: treesize reduction 1810, result has 0.1 percent of original size [2021-11-23 01:54:30,512 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 01:54:30,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:30,983 INFO L244 Elim1Store]: Index analysis took 258 ms [2021-11-23 01:54:33,480 INFO L354 Elim1Store]: treesize reduction 948, result has 49.4 percent of original size [2021-11-23 01:54:33,480 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 01:54:34,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:34,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:54:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:34,894 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-23 01:54:35,079 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 01:54:35,080 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 01:54:45,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:45,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:54:45,392 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-23 01:54:50,319 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-23 01:54:50,320 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 02:01:38,664 WARN L227 SmtUtils]: Spent 9.31s 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 02:02:20,329 WARN L227 SmtUtils]: Spent 32.74s 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)