./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh --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 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:46:07,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:46:07,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:46:07,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:46:07,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:46:07,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:46:07,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:46:07,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:46:07,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:46:07,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:46:07,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:46:07,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:46:07,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:46:07,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:46:07,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:46:07,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:46:07,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:46:07,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:46:07,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:46:07,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:46:07,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:46:07,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:46:07,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:46:07,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:46:07,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:46:07,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:46:07,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:46:07,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:46:07,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:46:07,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:46:07,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:46:07,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:46:07,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:46:07,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:46:07,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:46:07,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:46:07,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:46:07,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:46:07,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:46:07,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:46:07,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:46:07,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 08:46:07,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:46:07,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:46:07,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:46:07,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:46:07,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:46:07,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:46:07,514 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:46:07,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:46:07,515 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:46:07,515 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:46:07,516 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:46:07,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:46:07,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:46:07,516 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:46:07,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:46:07,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:46:07,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:46:07,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:46:07,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:46:07,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:46:07,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:46:07,518 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:46:07,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:46:07,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:46:07,518 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:46:07,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:46:07,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:46:07,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:46:07,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2022-12-14 08:46:07,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:46:07,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:46:07,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:46:07,705 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:46:07,705 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:46:07,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2022-12-14 08:46:10,207 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:46:10,504 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:46:10,505 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2022-12-14 08:46:10,520 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/data/2fa5db796/11ea4497adf440808e9095c4da57a2d7/FLAG23a2ad909 [2022-12-14 08:46:10,534 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/data/2fa5db796/11ea4497adf440808e9095c4da57a2d7 [2022-12-14 08:46:10,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:46:10,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:46:10,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:46:10,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:46:10,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:46:10,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:46:10" (1/1) ... [2022-12-14 08:46:10,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385dadbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:10, skipping insertion in model container [2022-12-14 08:46:10,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:46:10" (1/1) ... [2022-12-14 08:46:10,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:46:10,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:46:10,970 WARN L237 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_a4c32454-dce8-44f0-b34d-08d4132cef15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2022-12-14 08:46:11,113 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:46:11,115 WARN L237 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_a4c32454-dce8-44f0-b34d-08d4132cef15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2022-12-14 08:46:11,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:46:11,130 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:46:11,151 WARN L237 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_a4c32454-dce8-44f0-b34d-08d4132cef15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2022-12-14 08:46:11,225 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 08:46:11,226 WARN L237 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_a4c32454-dce8-44f0-b34d-08d4132cef15/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2022-12-14 08:46:11,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:46:11,276 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:46:11,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11 WrapperNode [2022-12-14 08:46:11,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:46:11,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:46:11,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:46:11,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:46:11,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,374 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3023 [2022-12-14 08:46:11,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:46:11,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:46:11,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:46:11,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:46:11,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:46:11,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:46:11,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:46:11,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:46:11,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (1/1) ... [2022-12-14 08:46:11,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:46:11,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:46:11,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:46:11,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:46:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:46:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:46:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:46:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:46:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:46:11,667 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:46:11,669 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:46:13,678 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:46:14,027 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:46:14,027 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 08:46:14,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:46:14 BoogieIcfgContainer [2022-12-14 08:46:14,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:46:14,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:46:14,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:46:14,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:46:14,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:46:10" (1/3) ... [2022-12-14 08:46:14,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b66a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:46:14, skipping insertion in model container [2022-12-14 08:46:14,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:46:11" (2/3) ... [2022-12-14 08:46:14,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b66a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:46:14, skipping insertion in model container [2022-12-14 08:46:14,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:46:14" (3/3) ... [2022-12-14 08:46:14,040 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-2.i [2022-12-14 08:46:14,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:46:14,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 08:46:14,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:46:14,115 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34abfedf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:46:14,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 08:46:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 08:46:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:46:14,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:46:14,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:46:14,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 08:46:14,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:46:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash 144591002, now seen corresponding path program 1 times [2022-12-14 08:46:14,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:46:14,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719402789] [2022-12-14 08:46:14,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:14,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:46:14,224 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:46:14,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2020583324] [2022-12-14 08:46:14,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:14,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:46:14,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:46:14,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:46:14,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:46:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:46:14,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 08:46:14,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:46:14,419 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:14,428 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:14,457 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:46:14,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:46:14,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:46:14,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719402789] [2022-12-14 08:46:14,467 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:46:14,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020583324] [2022-12-14 08:46:14,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020583324] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:46:14,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:46:14,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:46:14,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343616509] [2022-12-14 08:46:14,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:46:14,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:46:14,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:46:14,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:46:14,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:46:14,498 INFO L87 Difference]: Start difference. First operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 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) [2022-12-14 08:46:16,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:46:16,402 INFO L93 Difference]: Finished difference Result 3309 states and 6518 transitions. [2022-12-14 08:46:16,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:46:16,406 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 [2022-12-14 08:46:16,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:46:16,432 INFO L225 Difference]: With dead ends: 3309 [2022-12-14 08:46:16,433 INFO L226 Difference]: Without dead ends: 2167 [2022-12-14 08:46:16,439 INFO L412 NwaCegarLoop]: 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 [2022-12-14 08:46:16,442 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 1068 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 6795 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:46:16,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 6795 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 08:46:16,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-12-14 08:46:16,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1111. [2022-12-14 08:46:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.874581939799331) internal successors, (1121), 1105 states have internal predecessors, (1121), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 08:46:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2127 transitions. [2022-12-14 08:46:16,810 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2127 transitions. Word has length 4 [2022-12-14 08:46:16,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:46:16,810 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2127 transitions. [2022-12-14 08:46:16,811 INFO L496 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) [2022-12-14 08:46:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2127 transitions. [2022-12-14 08:46:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 08:46:16,812 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:46:16,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:46:16,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:46:17,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 08:46:17,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 08:46:17,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:46:17,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1632001244, now seen corresponding path program 1 times [2022-12-14 08:46:17,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:46:17,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519542708] [2022-12-14 08:46:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:17,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:46:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:46:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:46:17,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:46:17,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519542708] [2022-12-14 08:46:17,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519542708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:46:17,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:46:17,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:46:17,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516396409] [2022-12-14 08:46:17,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:46:17,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:46:17,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:46:17,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:46:17,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:46:17,251 INFO L87 Difference]: Start difference. First operand 1111 states and 2127 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:46:20,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 08:46:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:46:20,906 INFO L93 Difference]: Finished difference Result 3200 states and 6229 transitions. [2022-12-14 08:46:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:46:20,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 08:46:20,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:46:20,919 INFO L225 Difference]: With dead ends: 3200 [2022-12-14 08:46:20,919 INFO L226 Difference]: Without dead ends: 2154 [2022-12-14 08:46:20,922 INFO L412 NwaCegarLoop]: 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 [2022-12-14 08:46:20,923 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 1051 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 6775 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:46:20,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 6775 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 08:46:20,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-12-14 08:46:21,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1111. [2022-12-14 08:46:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.8729096989966556) internal successors, (1120), 1105 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 08:46:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2126 transitions. [2022-12-14 08:46:21,142 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2126 transitions. Word has length 20 [2022-12-14 08:46:21,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:46:21,142 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2126 transitions. [2022-12-14 08:46:21,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:46:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2126 transitions. [2022-12-14 08:46:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 08:46:21,147 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:46:21,147 INFO L195 NwaCegarLoop]: 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] [2022-12-14 08:46:21,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:46:21,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 08:46:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:46:21,148 INFO L85 PathProgramCache]: Analyzing trace with hash -629111386, now seen corresponding path program 1 times [2022-12-14 08:46:21,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:46:21,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756137566] [2022-12-14 08:46:21,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:21,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:46:21,237 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:46:21,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712541215] [2022-12-14 08:46:21,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:21,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:46:21,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:46:21,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:46:21,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:46:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:46:21,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:46:21,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:46:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:46:21,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:46:21,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:46:21,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756137566] [2022-12-14 08:46:21,787 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:46:21,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712541215] [2022-12-14 08:46:21,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712541215] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:46:21,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:46:21,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:46:21,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674417402] [2022-12-14 08:46:21,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:46:21,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:46:21,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:46:21,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:46:21,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:46:21,789 INFO L87 Difference]: Start difference. First operand 1111 states and 2126 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) [2022-12-14 08:46:22,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:46:22,706 INFO L93 Difference]: Finished difference Result 3258 states and 6292 transitions. [2022-12-14 08:46:22,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:46:22,710 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 [2022-12-14 08:46:22,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:46:22,730 INFO L225 Difference]: With dead ends: 3258 [2022-12-14 08:46:22,731 INFO L226 Difference]: Without dead ends: 2152 [2022-12-14 08:46:22,734 INFO L412 NwaCegarLoop]: 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 [2022-12-14 08:46:22,735 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 1039 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:46:22,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 4711 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 08:46:22,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-12-14 08:46:22,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2148. [2022-12-14 08:46:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1135 states have (on average 1.905726872246696) internal successors, (2163), 2142 states have internal predecessors, (2163), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-12-14 08:46:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4169 transitions. [2022-12-14 08:46:22,956 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4169 transitions. Word has length 28 [2022-12-14 08:46:22,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:46:22,957 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 4169 transitions. [2022-12-14 08:46:22,957 INFO L496 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) [2022-12-14 08:46:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4169 transitions. [2022-12-14 08:46:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 08:46:22,957 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:46:22,957 INFO L195 NwaCegarLoop]: 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] [2022-12-14 08:46:22,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:46:23,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 08:46:23,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 08:46:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:46:23,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1213932220, now seen corresponding path program 1 times [2022-12-14 08:46:23,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:46:23,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908498195] [2022-12-14 08:46:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:23,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:46:23,194 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:46:23,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939431055] [2022-12-14 08:46:23,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:46:23,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:46:23,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:46:23,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:46:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:46:39,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:46:39,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:46:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:46:39,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:46:39,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:46:39,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908498195] [2022-12-14 08:46:39,411 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:46:39,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939431055] [2022-12-14 08:46:39,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939431055] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:46:39,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:46:39,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:46:39,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501418854] [2022-12-14 08:46:39,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:46:39,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:46:39,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:46:39,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:46:39,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:46:39,413 INFO L87 Difference]: Start difference. First operand 2148 states and 4169 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) [2022-12-14 08:46:40,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:46:40,197 INFO L93 Difference]: Finished difference Result 4280 states and 8324 transitions. [2022-12-14 08:46:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:46:40,200 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 [2022-12-14 08:46:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:46:40,208 INFO L225 Difference]: With dead ends: 4280 [2022-12-14 08:46:40,208 INFO L226 Difference]: Without dead ends: 2150 [2022-12-14 08:46:40,212 INFO L412 NwaCegarLoop]: 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 [2022-12-14 08:46:40,212 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:46:40,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 08:46:40,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-12-14 08:46:40,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2022-12-14 08:46:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1136 states have (on average 1.9058098591549295) internal successors, (2165), 2144 states have internal predecessors, (2165), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2022-12-14 08:46:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 4172 transitions. [2022-12-14 08:46:40,445 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 4172 transitions. Word has length 41 [2022-12-14 08:46:40,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:46:40,445 INFO L495 AbstractCegarLoop]: Abstraction has 2150 states and 4172 transitions. [2022-12-14 08:46:40,445 INFO L496 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) [2022-12-14 08:46:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4172 transitions. [2022-12-14 08:46:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 08:46:40,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:46:40,446 INFO L195 NwaCegarLoop]: 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] [2022-12-14 08:46:40,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:46:40,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:46:40,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 08:46:40,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:46:40,649 INFO L85 PathProgramCache]: Analyzing trace with hash -535975716, now seen corresponding path program 1 times [2022-12-14 08:46:40,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:46:40,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918783303] [2022-12-14 08:46:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:40,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:46:40,745 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:46:40,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210588336] [2022-12-14 08:46:40,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:46:40,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:46:40,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:46:40,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:46:40,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c32454-dce8-44f0-b34d-08d4132cef15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:46:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:46:58,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 08:46:58,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:46:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:46:58,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:46:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:46:58,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:46:58,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918783303] [2022-12-14 08:46:58,892 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:46:58,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210588336] [2022-12-14 08:46:58,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210588336] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:46:58,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1661113430] [2022-12-14 08:46:58,907 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 08:46:58,907 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:46:58,910 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:46:58,913 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:46:58,914 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:46:58,953 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:58,973 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 08:46:58,974 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:58,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:58,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:46:58,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:58,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 08:46:59,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:46:59,022 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,052 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 08:46:59,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 08:46:59,063 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,098 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:46:59,099 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,114 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,143 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,157 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,169 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,518 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-12-14 08:46:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-12-14 08:46:59,635 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,677 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 08:46:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 08:46:59,821 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 08:46:59,912 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,934 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:46:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:46:59,995 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 08:46:59,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-12-14 08:47:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,017 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:47:00,160 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:47:00,164 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:47:00,168 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:47:00,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 08:47:00,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 08:47:00,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 08:47:00,214 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:47:00,218 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:47:00,223 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 08:47:00,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 08:47:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 08:47:00,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 08:47:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:00,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 08:47:00,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 08:47:00,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 08:47:01,886 INFO L217 Elim1Store]: Index analysis took 1198 ms [2022-12-14 08:47:03,937 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 08:47:03,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-12-14 08:47:05,459 INFO L217 Elim1Store]: Index analysis took 1418 ms [2022-12-14 08:47:08,255 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 08:47:08,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-12-14 08:47:15,036 WARN L233 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:47:15,037 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 08:47:15,037 INFO L350 Elim1Store]: Elim1 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 1986 treesize of output 1481 [2022-12-14 08:47:28,940 WARN L233 SmtUtils]: Spent 13.82s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:47:28,941 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 08:47:28,941 INFO L350 Elim1Store]: Elim1 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 2005 treesize of output 1819 [2022-12-14 08:47:29,581 INFO L217 Elim1Store]: Index analysis took 496 ms [2022-12-14 08:47:43,460 WARN L233 SmtUtils]: Spent 13.50s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:47:43,461 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 08:47:43,461 INFO L350 Elim1Store]: Elim1 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 1606 treesize of output 2097 [2022-12-14 08:47:44,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:47:44,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:47:44,245 INFO L217 Elim1Store]: Index analysis took 361 ms [2022-12-14 08:47:44,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 101 [2022-12-14 08:47:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:44,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:47:44,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 08:47:44,900 INFO L217 Elim1Store]: Index analysis took 413 ms [2022-12-14 08:47:45,777 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-12-14 08:47:45,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 118 [2022-12-14 08:47:45,891 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 08:47:45,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 08:47:46,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:46,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 08:47:46,621 INFO L217 Elim1Store]: Index analysis took 178 ms [2022-12-14 08:47:46,958 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 08:47:46,958 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 08:47:47,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2022-12-14 08:47:47,662 INFO L217 Elim1Store]: Index analysis took 306 ms [2022-12-14 08:47:48,657 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:47:48,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 08:47:49,237 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:47:50,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:47:50,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-12-14 08:47:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:52,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-12-14 08:47:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:52,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-12-14 08:47:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:54,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 08:47:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:55,080 INFO L321 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2022-12-14 08:47:55,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2022-12-14 08:47:55,628 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:47:55,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:47:55,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-12-14 08:50:04,841 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 43070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 08:50:19,065 WARN L233 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 43069 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)