./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7 --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 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:04:33,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:04:33,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:04:33,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:04:33,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:04:33,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:04:33,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:04:33,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:04:33,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:04:33,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:04:33,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:04:33,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:04:33,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:04:33,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:04:33,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:04:33,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:04:33,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:04:33,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:04:33,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:04:33,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:04:33,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:04:33,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:04:33,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:04:33,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:04:33,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:04:33,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:04:33,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:04:33,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:04:33,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:04:33,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:04:33,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:04:33,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:04:33,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:04:33,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:04:33,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:04:33,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:04:33,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:04:33,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:04:33,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:04:33,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:04:33,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:04:33,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:04:33,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:04:33,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:04:33,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:04:33,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:04:33,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:04:33,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:04:33,480 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:04:33,481 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:04:33,481 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:04:33,481 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:04:33,482 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:04:33,482 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:04:33,483 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:04:33,483 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:04:33,483 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:04:33,484 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:04:33,484 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:04:33,484 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:04:33,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:04:33,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:04:33,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:04:33,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:04:33,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:04:33,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:04:33,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:04:33,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:04:33,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:04:33,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:04:33,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:04:33,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:04:33,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:04:33,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:04:33,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:04:33,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:04:33,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:04:33,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:04:33,490 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:04:33,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:04:33,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:04:33,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:04:33,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:04:33,491 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_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2021-11-25 19:04:33,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:04:33,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:04:33,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:04:33,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:04:33,810 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:04:33,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2021-11-25 19:04:33,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/data/a7d68a852/ab052b9ba90d4834ad12f62d7e05405b/FLAG342dc3b51 [2021-11-25 19:04:34,638 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:04:34,639 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2021-11-25 19:04:34,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/data/a7d68a852/ab052b9ba90d4834ad12f62d7e05405b/FLAG342dc3b51 [2021-11-25 19:04:34,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/data/a7d68a852/ab052b9ba90d4834ad12f62d7e05405b [2021-11-25 19:04:34,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:04:34,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:04:34,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:04:34,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:04:34,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:04:34,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:04:34" (1/1) ... [2021-11-25 19:04:34,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c6865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:34, skipping insertion in model container [2021-11-25 19:04:34,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:04:34" (1/1) ... [2021-11-25 19:04:34,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:04:34,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:04:35,499 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_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2021-11-25 19:04:35,758 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_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2021-11-25 19:04:35,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:04:35,776 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:04:35,806 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_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2021-11-25 19:04:35,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2021-11-25 19:04:35,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:04:35,976 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:04:35,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35 WrapperNode [2021-11-25 19:04:35,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:04:35,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:04:35,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:04:35,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:04:35,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,222 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3019 [2021-11-25 19:04:36,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:04:36,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:04:36,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:04:36,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:04:36,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:04:36,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:04:36,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:04:36,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:04:36,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (1/1) ... [2021-11-25 19:04:36,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:04:36,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:04:36,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:04:36,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:04:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:04:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:04:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:04:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:04:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:04:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:04:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:04:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:04:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:04:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:04:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:04:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:04:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:04:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:04:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:04:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:04:36,792 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:04:36,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:04:39,192 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:04:39,756 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:04:39,756 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:04:39,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:04:39 BoogieIcfgContainer [2021-11-25 19:04:39,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:04:39,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:04:39,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:04:39,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:04:39,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:04:34" (1/3) ... [2021-11-25 19:04:39,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454b5f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:04:39, skipping insertion in model container [2021-11-25 19:04:39,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:35" (2/3) ... [2021-11-25 19:04:39,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454b5f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:04:39, skipping insertion in model container [2021-11-25 19:04:39,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:04:39" (3/3) ... [2021-11-25 19:04:39,775 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-2.i [2021-11-25 19:04:39,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:04:39,781 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:04:39,873 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:04:39,889 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 [2021-11-25 19:04:39,892 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:04:39,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:04:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:04:39,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:39,962 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:39,962 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:39,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:39,968 INFO L85 PathProgramCache]: Analyzing trace with hash -258845898, now seen corresponding path program 1 times [2021-11-25 19:04:39,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:39,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568170053] [2021-11-25 19:04:39,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:39,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:40,136 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:40,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568170053] [2021-11-25 19:04:40,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568170053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:40,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:40,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:04:40,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841919529] [2021-11-25 19:04:40,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:40,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:04:40,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:40,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:04:40,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:04:40,177 INFO L87 Difference]: Start difference. First operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) 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) [2021-11-25 19:04:40,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:40,722 INFO L93 Difference]: Finished difference Result 2225 states and 4887 transitions. [2021-11-25 19:04:40,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:04:40,731 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 [2021-11-25 19:04:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:40,773 INFO L225 Difference]: With dead ends: 2225 [2021-11-25 19:04:40,773 INFO L226 Difference]: Without dead ends: 1097 [2021-11-25 19:04:40,793 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 [2021-11-25 19:04:40,797 INFO L933 BasicCegarLoop]: 2111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:40,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2111 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 19:04:40,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-25 19:04:41,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-25 19:04:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:04:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2021-11-25 19:04:41,303 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2021-11-25 19:04:41,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:41,304 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2021-11-25 19:04:41,304 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) [2021-11-25 19:04:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2021-11-25 19:04:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:04:41,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:41,306 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] [2021-11-25 19:04:41,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:04:41,307 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:41,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:41,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1120515419, now seen corresponding path program 1 times [2021-11-25 19:04:41,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:41,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395082655] [2021-11-25 19:04:41,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:41,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:41,383 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:41,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395082655] [2021-11-25 19:04:41,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395082655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:41,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:41,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:04:41,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584996178] [2021-11-25 19:04:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:41,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:04:41,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:41,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:04:41,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:04:41,387 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 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) [2021-11-25 19:04:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:44,360 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2021-11-25 19:04:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:04:44,370 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 [2021-11-25 19:04:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:44,393 INFO L225 Difference]: With dead ends: 3192 [2021-11-25 19:04:44,394 INFO L226 Difference]: Without dead ends: 2148 [2021-11-25 19:04:44,402 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 [2021-11-25 19:04:44,403 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:44,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 6754 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:04:44,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2021-11-25 19:04:44,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2021-11-25 19:04:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:04:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2021-11-25 19:04:44,873 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2021-11-25 19:04:44,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:44,874 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2021-11-25 19:04:44,874 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) [2021-11-25 19:04:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2021-11-25 19:04:44,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 19:04:44,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:44,877 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] [2021-11-25 19:04:44,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:04:44,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:44,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:44,878 INFO L85 PathProgramCache]: Analyzing trace with hash -440666121, now seen corresponding path program 1 times [2021-11-25 19:04:44,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:44,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309846218] [2021-11-25 19:04:44,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:44,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:44,993 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:04:44,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1729761811] [2021-11-25 19:04:44,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:44,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:04:44,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:04:44,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:04:45,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:04:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:45,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:04:45,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:04:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:45,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:04:45,906 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:45,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309846218] [2021-11-25 19:04:45,907 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:04:45,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729761811] [2021-11-25 19:04:45,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729761811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:45,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:45,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:04:45,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806815012] [2021-11-25 19:04:45,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:45,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:04:45,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:45,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:04:45,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:04:45,910 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 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) [2021-11-25 19:04:47,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:47,348 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2021-11-25 19:04:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:04:47,358 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 [2021-11-25 19:04:47,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:47,384 INFO L225 Difference]: With dead ends: 3230 [2021-11-25 19:04:47,384 INFO L226 Difference]: Without dead ends: 2134 [2021-11-25 19:04:47,393 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 [2021-11-25 19:04:47,395 INFO L933 BasicCegarLoop]: 2612 mSDtfsCounter, 1033 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:47,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:04:47,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2021-11-25 19:04:47,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2021-11-25 19:04:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-25 19:04:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2021-11-25 19:04:47,810 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2021-11-25 19:04:47,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:47,811 INFO L470 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2021-11-25 19:04:47,811 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) [2021-11-25 19:04:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2021-11-25 19:04:47,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 19:04:47,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:47,814 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] [2021-11-25 19:04:47,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:04:48,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:04:48,043 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:48,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:48,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1581662633, now seen corresponding path program 1 times [2021-11-25 19:04:48,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:48,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970839142] [2021-11-25 19:04:48,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:48,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:48,128 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:04:48,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6197069] [2021-11-25 19:04:48,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:48,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:04:48,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:04:48,135 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:04:48,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:04:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:48,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:04:48,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:04:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:04:48,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:04:48,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:48,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970839142] [2021-11-25 19:04:48,815 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:04:48,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6197069] [2021-11-25 19:04:48,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6197069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:48,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:48,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:04:48,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783849061] [2021-11-25 19:04:48,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:48,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:04:48,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:48,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:04:48,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:04:48,825 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 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) [2021-11-25 19:04:50,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:52,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:52,174 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2021-11-25 19:04:52,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:04:52,175 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 [2021-11-25 19:04:52,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:52,187 INFO L225 Difference]: With dead ends: 3228 [2021-11-25 19:04:52,187 INFO L226 Difference]: Without dead ends: 1112 [2021-11-25 19:04:52,200 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 [2021-11-25 19:04:52,202 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 2143 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:52,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 3126 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:04:52,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-11-25 19:04:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2021-11-25 19:04:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:04:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2021-11-25 19:04:52,457 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2021-11-25 19:04:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:52,460 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2021-11-25 19:04:52,461 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) [2021-11-25 19:04:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2021-11-25 19:04:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:04:52,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:52,468 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] [2021-11-25 19:04:52,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:04:52,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:04:52,683 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:04:52,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:52,684 INFO L85 PathProgramCache]: Analyzing trace with hash -425682233, now seen corresponding path program 1 times [2021-11-25 19:04:52,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:52,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140208881] [2021-11-25 19:04:52,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:52,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:52,754 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:04:52,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341598748] [2021-11-25 19:04:52,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:52,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:04:52,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:04:52,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:04:52,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:04:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:58,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:04:58,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:04:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:04:58,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:04:58,931 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:58,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140208881] [2021-11-25 19:04:58,932 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:04:58,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341598748] [2021-11-25 19:04:58,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341598748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:58,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:58,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:04:58,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298375315] [2021-11-25 19:04:58,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:58,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:04:58,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:58,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:04:58,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:04:58,934 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:05:00,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:00,719 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2021-11-25 19:05:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:05:00,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 19:05:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:00,745 INFO L225 Difference]: With dead ends: 2207 [2021-11-25 19:05:00,745 INFO L226 Difference]: Without dead ends: 1114 [2021-11-25 19:05:00,754 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 [2021-11-25 19:05:00,755 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 1 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:00,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 6284 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:05:00,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-25 19:05:00,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2021-11-25 19:05:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2021-11-25 19:05:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2021-11-25 19:05:00,996 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2021-11-25 19:05:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:00,998 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2021-11-25 19:05:00,999 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:05:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2021-11-25 19:05:01,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:05:01,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:01,003 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] [2021-11-25 19:05:01,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:05:01,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:05:01,227 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:05:01,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:01,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1544494779, now seen corresponding path program 1 times [2021-11-25 19:05:01,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:01,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019768558] [2021-11-25 19:05:01,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:01,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:01,305 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:05:01,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [883818706] [2021-11-25 19:05:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:01,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:05:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:05:01,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:05:01,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf3fb97-e8f2-48a0-838b-7b43c02f5003/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:05:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:02,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:05:02,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:05:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:05:02,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:05:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:05:02,703 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:02,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019768558] [2021-11-25 19:05:02,703 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:05:02,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883818706] [2021-11-25 19:05:02,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883818706] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:05:02,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2106730024] [2021-11-25 19:05:02,729 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 19:05:02,729 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:05:02,734 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:05:02,739 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:05:02,740 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:05:02,939 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 [2021-11-25 19:05:02,945 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 [2021-11-25 19:05:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:02,975 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:05:02,976 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 [2021-11-25 19:05:02,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:02,989 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 [2021-11-25 19:05:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,022 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:05:03,022 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 [2021-11-25 19:05:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,086 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 [2021-11-25 19:05:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,101 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 [2021-11-25 19:05:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,140 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:05:03,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:05:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,195 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:05:03,195 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 [2021-11-25 19:05:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,230 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 52 treesize of output 49 [2021-11-25 19:05:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,624 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 76 treesize of output 64 [2021-11-25 19:05:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,652 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 74 treesize of output 76 [2021-11-25 19:05:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,680 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 [2021-11-25 19:05:03,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,707 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 [2021-11-25 19:05:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,779 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 89 treesize of output 79 [2021-11-25 19:05:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,810 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 89 treesize of output 79 [2021-11-25 19:05:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,832 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 [2021-11-25 19:05:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,853 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 [2021-11-25 19:05:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:05:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,008 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:05:04,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 19:05:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 19:05:04,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,075 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 [2021-11-25 19:05:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,110 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 [2021-11-25 19:05:04,232 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 [2021-11-25 19:05:04,236 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 [2021-11-25 19:05:04,241 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 [2021-11-25 19:05:04,296 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:05:04,297 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 57 treesize of output 60 [2021-11-25 19:05:04,329 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:05:04,329 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 51 treesize of output 54 [2021-11-25 19:05:04,363 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:05:04,364 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 47 treesize of output 50 [2021-11-25 19:05:04,411 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 [2021-11-25 19:05:04,417 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 [2021-11-25 19:05:04,427 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 [2021-11-25 19:05:04,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,501 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 [2021-11-25 19:05:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,527 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 108 treesize of output 42 [2021-11-25 19:05:04,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:05:04,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,729 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 [2021-11-25 19:05:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 19:05:04,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:04,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:05:11,882 WARN L227 SmtUtils]: Spent 6.97s 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) [2021-11-25 19:05:11,883 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:05:11,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:05:11,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:19,438 WARN L227 SmtUtils]: Spent 7.44s 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) [2021-11-25 19:05:19,439 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:05:19,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:05:19,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:19,942 INFO L244 Elim1Store]: Index analysis took 284 ms [2021-11-25 19:05:29,439 WARN L227 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:05:29,440 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:05:29,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:05:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:30,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:30,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:30,099 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-11-25 19:05:31,157 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:05:31,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:05:31,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:31,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:31,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:31,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:31,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:05:31,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:32,103 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:05:32,103 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 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 19:05:32,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:32,455 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:05:32,456 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 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 19:05:32,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:32,575 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:05:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:32,690 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:05:32,691 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 3 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:05:32,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:32,774 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 [2021-11-25 19:05:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:32,870 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 19:05:32,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:32,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:33,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:33,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:33,142 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:05:33,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 19:05:33,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:33,244 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 19:05:33,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 19:05:33,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:33,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:33,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:33,394 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 19:05:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:34,443 INFO L244 Elim1Store]: Index analysis took 271 ms [2021-11-25 19:05:35,589 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:05:35,590 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 4154 treesize of output 5558 [2021-11-25 19:05:44,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:44,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:05:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:48,312 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-25 19:05:50,142 INFO L354 Elim1Store]: treesize reduction 28, result has 98.5 percent of original size [2021-11-25 19:05:50,143 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 4054 treesize of output 5404 [2021-11-25 19:05:54,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:54,750 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-25 19:05:54,997 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 19:05:54,997 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 19:05:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:05:59,554 INFO L244 Elim1Store]: Index analysis took 181 ms [2021-11-25 19:06:04,131 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:06:04,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 354937 treesize of output 352497 [2021-11-25 19:13:17,650 WARN L227 SmtUtils]: Spent 7.79s on a formula simplification that was a NOOP. DAG size: 2532 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)