./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:21:13,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:21:13,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:21:13,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:21:13,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:21:13,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:21:13,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:21:13,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:21:13,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:21:13,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:21:13,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:21:13,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:21:13,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:21:13,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:21:13,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:21:13,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:21:13,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:21:13,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:21:13,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:21:13,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:21:13,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:21:13,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:21:13,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:21:13,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:21:13,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:21:13,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:21:13,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:21:13,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:21:13,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:21:13,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:21:13,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:21:13,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:21:13,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:21:13,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:21:13,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:21:13,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:21:13,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:21:13,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:21:13,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:21:13,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:21:13,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:21:13,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 18:21:13,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:21:13,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:21:13,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:21:13,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:21:13,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:21:13,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:21:13,556 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:21:13,556 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:21:13,556 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:21:13,556 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:21:13,557 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:21:13,557 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:21:13,557 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:21:13,557 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:21:13,557 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:21:13,558 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:21:13,558 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:21:13,558 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:21:13,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:21:13,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:21:13,559 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:21:13,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:21:13,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:21:13,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:21:13,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:21:13,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:21:13,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:21:13,561 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 18:21:13,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:21:13,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:21:13,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:21:13,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:21:13,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:21:13,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:21:13,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:13,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:21:13,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:21:13,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:21:13,564 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:21:13,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:21:13,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:21:13,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:21:13,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:21:13,565 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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2021-11-25 18:21:13,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:21:13,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:21:13,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:21:13,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:21:13,893 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:21:13,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2021-11-25 18:21:13,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/data/42db2c1b8/020a6f2269f742be9b0e1a2c70b447f7/FLAGe5c9550b9 [2021-11-25 18:21:14,611 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:21:14,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2021-11-25 18:21:14,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/data/42db2c1b8/020a6f2269f742be9b0e1a2c70b447f7/FLAGe5c9550b9 [2021-11-25 18:21:14,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/data/42db2c1b8/020a6f2269f742be9b0e1a2c70b447f7 [2021-11-25 18:21:14,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:21:14,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:21:14,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:14,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:21:14,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:21:14,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:14" (1/1) ... [2021-11-25 18:21:14,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c055e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:14, skipping insertion in model container [2021-11-25 18:21:14,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:14" (1/1) ... [2021-11-25 18:21:14,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:21:14,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:21:15,364 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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2021-11-25 18:21:15,511 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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2021-11-25 18:21:15,512 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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2021-11-25 18:21:15,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:15,538 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:21:15,573 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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2021-11-25 18:21:15,651 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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2021-11-25 18:21:15,652 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_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2021-11-25 18:21:15,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:15,735 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:21:15,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15 WrapperNode [2021-11-25 18:21:15,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:15,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:15,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:21:15,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:21:15,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:15,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:15,935 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 18:21:15,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:15,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:21:15,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:21:15,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:21:15,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:15,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:15,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:15,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:16,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:16,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:16,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:16,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:21:16,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:21:16,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:21:16,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:21:16,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (1/1) ... [2021-11-25 18:21:16,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:16,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:16,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:21:16,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:21:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:21:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:21:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:21:16,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:21:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:21:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:21:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:21:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:21:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:21:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:21:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:21:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:21:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:21:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:21:16,505 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:21:16,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:21:17,603 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:21:17,982 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:21:17,982 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 18:21:17,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:17 BoogieIcfgContainer [2021-11-25 18:21:17,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:21:17,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:21:17,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:21:17,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:21:17,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:21:14" (1/3) ... [2021-11-25 18:21:17,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d1fd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:17, skipping insertion in model container [2021-11-25 18:21:17,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:15" (2/3) ... [2021-11-25 18:21:17,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d1fd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:17, skipping insertion in model container [2021-11-25 18:21:17,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:17" (3/3) ... [2021-11-25 18:21:17,997 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-2.i [2021-11-25 18:21:18,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:21:18,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-25 18:21:18,069 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:21:18,080 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 18:21:18,081 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-25 18:21:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:21:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 18:21:18,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:18,108 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 18:21:18,108 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:21:18,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:18,116 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-25 18:21:18,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:18,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920692704] [2021-11-25 18:21:18,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:18,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:18,274 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:18,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776395096] [2021-11-25 18:21:18,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:18,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:18,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:18,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:18,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:21:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:18,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 18:21:18,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:18,600 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 18:21:18,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-25 18:21:18,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:18,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:21:18,686 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 18:21:18,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:21:18,687 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:18,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920692704] [2021-11-25 18:21:18,687 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:18,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776395096] [2021-11-25 18:21:18,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776395096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:18,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:18,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:21:18,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839420309] [2021-11-25 18:21:18,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:18,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:18,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:18,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:18,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:18,726 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 18:21:22,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:21:22,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:22,330 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-25 18:21:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:21:22,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-25 18:21:22,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:22,351 INFO L225 Difference]: With dead ends: 316 [2021-11-25 18:21:22,351 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 18:21:22,354 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 18:21:22,357 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:22,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 18:21:22,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 18:21:22,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-25 18:21:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:21:22,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-25 18:21:22,405 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-25 18:21:22,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:22,406 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-25 18:21:22,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 18:21:22,406 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-25 18:21:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 18:21:22,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:22,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:22,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:21:22,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 18:21:22,636 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:21:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:22,637 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-25 18:21:22,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:22,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65850680] [2021-11-25 18:21:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:22,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:22,731 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 18:21:22,732 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:22,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65850680] [2021-11-25 18:21:22,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65850680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:22,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:22,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:21:22,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558494184] [2021-11-25 18:21:22,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:22,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:22,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:22,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:22,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:22,738 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 18:21:24,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:24,214 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-25 18:21:24,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:21:24,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-25 18:21:24,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:24,221 INFO L225 Difference]: With dead ends: 211 [2021-11-25 18:21:24,221 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 18:21:24,221 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 18:21:24,223 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:24,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:21:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 18:21:24,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-25 18:21:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:21:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-25 18:21:24,237 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-25 18:21:24,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:24,237 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-25 18:21:24,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 18:21:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-25 18:21:24,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 18:21:24,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:24,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:24,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:21:24,240 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:21:24,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:24,240 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-25 18:21:24,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:24,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819332771] [2021-11-25 18:21:24,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:24,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:24,362 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:24,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [635158394] [2021-11-25 18:21:24,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:24,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:24,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:24,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:24,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:21:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:25,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:21:25,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:25,145 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 18:21:25,145 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:21:25,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:25,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819332771] [2021-11-25 18:21:25,146 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:25,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635158394] [2021-11-25 18:21:25,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635158394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:25,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:25,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:21:25,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092085474] [2021-11-25 18:21:25,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:25,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:21:25,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:25,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:21:25,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:21:25,149 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 18:21:26,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:21:26,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:26,872 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-25 18:21:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:21:26,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-25 18:21:26,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:26,879 INFO L225 Difference]: With dead ends: 277 [2021-11-25 18:21:26,879 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 18:21:26,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 18:21:26,881 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:26,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 18:21:26,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 18:21:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-25 18:21:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:21:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-25 18:21:26,898 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-25 18:21:26,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:26,898 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-25 18:21:26,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 18:21:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-25 18:21:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 18:21:26,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:26,901 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:26,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:21:27,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:27,112 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:21:27,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:27,112 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-25 18:21:27,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:27,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133911899] [2021-11-25 18:21:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:27,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:27,190 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:27,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762456420] [2021-11-25 18:21:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:27,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:27,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:27,192 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:27,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:21:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:28,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:21:28,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:21:28,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:21:28,341 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:28,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133911899] [2021-11-25 18:21:28,342 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:28,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762456420] [2021-11-25 18:21:28,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762456420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:28,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:28,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:21:28,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288280017] [2021-11-25 18:21:28,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:28,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:28,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:28,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:28,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:28,345 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:29,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:29,996 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-25 18:21:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:21:30,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-25 18:21:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:30,004 INFO L225 Difference]: With dead ends: 308 [2021-11-25 18:21:30,004 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 18:21:30,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 18:21:30,006 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:30,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:21:30,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 18:21:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-25 18:21:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 18:21:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-25 18:21:30,025 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-25 18:21:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:30,025 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-25 18:21:30,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-25 18:21:30,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 18:21:30,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:30,028 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] [2021-11-25 18:21:30,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 18:21:30,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:30,244 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 18:21:30,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:30,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-25 18:21:30,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:30,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603844743] [2021-11-25 18:21:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:30,304 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:30,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83102713] [2021-11-25 18:21:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:30,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:30,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:30,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:30,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c03208-46b6-4dc3-abf5-d9f0be5c7a26/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:21:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:32,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:21:32,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 18:21:32,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:21:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:21:32,816 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:32,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603844743] [2021-11-25 18:21:32,817 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:32,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83102713] [2021-11-25 18:21:32,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83102713] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:21:32,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1038853748] [2021-11-25 18:21:32,838 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-25 18:21:32,838 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:21:32,843 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:21:32,848 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:21:32,849 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:21:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:32,926 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 18:21:32,946 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 18:21:32,952 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 18:21:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:32,978 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:21:32,979 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 18:21:32,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,014 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:21:33,017 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 18:21:33,069 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 18:21:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,122 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:21:33,122 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 18:21:33,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:21:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 18:21:33,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 18:21:33,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:21:33,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:21:33,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2021-11-25 18:21:33,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,687 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 62 treesize of output 62 [2021-11-25 18:21:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 18:21:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,741 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 18:21:33,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,765 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 18:21:33,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,805 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 18:21:33,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,824 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 18:21:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,876 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 18:21:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,913 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 18:21:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,977 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 18:21:33,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,007 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 18:21:34,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,042 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 18:21:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,067 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 18:21:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:21:34,206 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 18:21:34,210 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 18:21:34,216 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 18:21:34,267 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:21:34,267 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 55 treesize of output 58 [2021-11-25 18:21:34,298 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:21:34,298 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 53 treesize of output 56 [2021-11-25 18:21:34,330 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:21:34,330 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 18:21:34,370 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 18:21:34,375 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 18:21:34,380 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 18:21:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:21:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:21:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,495 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 18:21:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:21:34,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,685 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 18:21:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:34,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:21:41,634 WARN L227 SmtUtils]: Spent 6.78s 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 18:21:41,635 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:21:41,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:21:41,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:50,692 WARN L227 SmtUtils]: Spent 8.95s 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 18:21:50,693 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:21:50,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:21:51,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:51,319 INFO L244 Elim1Store]: Index analysis took 388 ms [2021-11-25 18:21:59,455 WARN L227 SmtUtils]: Spent 7.80s 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 18:21:59,460 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:21:59,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 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 18:21:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:00,077 INFO L244 Elim1Store]: Index analysis took 173 ms [2021-11-25 18:22:01,038 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:22:01,038 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 18:22:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,317 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:22:01,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:22:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:01,853 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:22:01,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:22:02,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,245 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:02,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 18:22:02,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:02,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 18:22:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,498 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 18:22:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:02,801 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:22:02,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 18:22:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:03,095 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:22:03,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 18:22:03,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:03,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:03,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-25 18:22:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,078 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-25 18:22:05,030 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:05,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 5434 [2021-11-25 18:22:31,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:31,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:31,719 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-25 18:22:33,626 INFO L354 Elim1Store]: treesize reduction 36, result has 98.1 percent of original size [2021-11-25 18:22:33,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4154 treesize of output 5522 [2021-11-25 18:22:41,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:41,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:41,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:41,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:41,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:41,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:44,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:44,841 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-25 18:22:44,842 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 8 case distinctions, treesize of input 4054 treesize of output 3592 [2021-11-25 18:23:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:06,257 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-11-25 18:23:10,512 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:23:10,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 858945 treesize of output 852011 [2021-11-25 18:23:51,688 WARN L227 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 1057 DAG size of output: 1052 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)