./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/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_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/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_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- 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 13:35:04,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:35:04,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:35:04,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:35:04,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:35:04,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:35:04,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:35:04,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:35:04,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:35:04,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:35:04,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:35:04,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:35:04,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:35:04,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:35:04,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:35:04,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:35:04,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:35:04,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:35:04,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:35:04,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:35:04,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:35:04,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:35:04,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:35:04,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:35:04,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:35:04,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:35:04,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:35:04,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:35:04,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:35:04,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:35:04,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:35:04,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:35:04,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:35:04,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:35:04,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:35:04,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:35:04,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:35:04,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:35:04,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:35:04,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:35:04,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:35:04,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 13:35:04,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:35:04,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:35:04,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:35:04,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:35:04,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:35:04,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:35:04,390 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:35:04,391 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:35:04,391 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:35:04,391 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:35:04,391 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:35:04,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:35:04,391 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:35:04,391 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:35:04,392 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:35:04,392 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:35:04,392 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:35:04,392 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:35:04,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:35:04,393 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:35:04,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:35:04,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:35:04,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:35:04,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:35:04,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:35:04,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:35:04,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:35:04,394 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 13:35:04,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:35:04,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:35:04,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:35:04,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:35:04,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:35:04,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:35:04,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:35:04,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:35:04,395 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:35:04,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:35:04,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:35:04,396 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:35:04,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:35:04,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:35:04,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:35:04,396 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_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2022-12-14 13:35:04,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:35:04,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:35:04,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:35:04,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:35:04,610 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:35:04,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2022-12-14 13:35:07,207 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:35:07,522 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:35:07,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2022-12-14 13:35:07,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/data/e9ad910be/2851239b6cf14e74b73109579f822ade/FLAG7c5ade275 [2022-12-14 13:35:07,782 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/data/e9ad910be/2851239b6cf14e74b73109579f822ade [2022-12-14 13:35:07,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:35:07,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:35:07,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:35:07,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:35:07,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:35:07,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:35:07" (1/1) ... [2022-12-14 13:35:07,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427ee263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:07, skipping insertion in model container [2022-12-14 13:35:07,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:35:07" (1/1) ... [2022-12-14 13:35:07,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:35:07,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:35:08,117 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_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2022-12-14 13:35:08,269 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 13:35:08,271 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_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2022-12-14 13:35:08,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:35:08,286 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:35:08,306 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_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2022-12-14 13:35:08,369 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 13:35:08,371 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_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2022-12-14 13:35:08,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:35:08,396 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:35:08,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08 WrapperNode [2022-12-14 13:35:08,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:35:08,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:35:08,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:35:08,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:35:08,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,513 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3023 [2022-12-14 13:35:08,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:35:08,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:35:08,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:35:08,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:35:08,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,615 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:35:08,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:35:08,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:35:08,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:35:08,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (1/1) ... [2022-12-14 13:35:08,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:35:08,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:35:08,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:35:08,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:35:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 13:35:08,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 13:35:08,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:35:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:35:08,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:35:08,849 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:35:08,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:35:10,813 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:35:11,217 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:35:11,218 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-12-14 13:35:11,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:35:11 BoogieIcfgContainer [2022-12-14 13:35:11,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:35:11,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:35:11,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:35:11,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:35:11,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:35:07" (1/3) ... [2022-12-14 13:35:11,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7e37bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:35:11, skipping insertion in model container [2022-12-14 13:35:11,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:35:08" (2/3) ... [2022-12-14 13:35:11,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7e37bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:35:11, skipping insertion in model container [2022-12-14 13:35:11,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:35:11" (3/3) ... [2022-12-14 13:35:11,230 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2022-12-14 13:35:11,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:35:11,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 13:35:11,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:35:11,319 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;@5c28240e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:35:11,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 13:35:11,325 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 13:35:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 13:35:11,329 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:35:11,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 13:35:11,330 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 13:35:11,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:35:11,334 INFO L85 PathProgramCache]: Analyzing trace with hash 144591002, now seen corresponding path program 1 times [2022-12-14 13:35:11,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:35:11,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323535931] [2022-12-14 13:35:11,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:11,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:35:11,421 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:35:11,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470579063] [2022-12-14 13:35:11,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:11,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:35:11,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:35:11,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:35:11,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:35:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:35:11,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 13:35:11,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:35:11,613 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 13:35:11,620 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 13:35:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:11,663 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 13:35:11,675 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 13:35:11,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:35:11,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:35:11,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323535931] [2022-12-14 13:35:11,676 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:35:11,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470579063] [2022-12-14 13:35:11,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470579063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:35:11,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:35:11,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:35:11,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636259579] [2022-12-14 13:35:11,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:35:11,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:35:11,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:35:11,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:35:11,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:35:11,718 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 13:35:13,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:35:13,569 INFO L93 Difference]: Finished difference Result 3309 states and 6518 transitions. [2022-12-14 13:35:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:35:13,574 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 13:35:13,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:35:13,596 INFO L225 Difference]: With dead ends: 3309 [2022-12-14 13:35:13,597 INFO L226 Difference]: Without dead ends: 2167 [2022-12-14 13:35:13,602 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 13:35:13,604 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 1068 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:35:13,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 6795 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 13:35:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-12-14 13:35:14,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1111. [2022-12-14 13:35:14,016 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 13:35:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2127 transitions. [2022-12-14 13:35:14,022 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2127 transitions. Word has length 4 [2022-12-14 13:35:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:35:14,023 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2127 transitions. [2022-12-14 13:35:14,023 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 13:35:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2127 transitions. [2022-12-14 13:35:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 13:35:14,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:35:14,024 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 13:35:14,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:35:14,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 13:35:14,227 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 13:35:14,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:35:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1632001244, now seen corresponding path program 1 times [2022-12-14 13:35:14,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:35:14,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593547603] [2022-12-14 13:35:14,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:14,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:35:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:35:14,585 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 13:35:14,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:35:14,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593547603] [2022-12-14 13:35:14,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593547603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:35:14,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:35:14,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:35:14,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281001160] [2022-12-14 13:35:14,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:35:14,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:35:14,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:35:14,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:35:14,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:35:14,588 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 13:35:18,094 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 13:35:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:35:18,095 INFO L93 Difference]: Finished difference Result 3200 states and 6229 transitions. [2022-12-14 13:35:18,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:35:18,101 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 13:35:18,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:35:18,111 INFO L225 Difference]: With dead ends: 3200 [2022-12-14 13:35:18,111 INFO L226 Difference]: Without dead ends: 2154 [2022-12-14 13:35:18,113 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 13:35:18,115 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 1051 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 13:35:18,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 6775 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 13:35:18,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-12-14 13:35:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1111. [2022-12-14 13:35:18,322 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 13:35:18,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2126 transitions. [2022-12-14 13:35:18,326 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2126 transitions. Word has length 20 [2022-12-14 13:35:18,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:35:18,326 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2126 transitions. [2022-12-14 13:35:18,327 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 13:35:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2126 transitions. [2022-12-14 13:35:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 13:35:18,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:35:18,328 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 13:35:18,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:35:18,328 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 13:35:18,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:35:18,328 INFO L85 PathProgramCache]: Analyzing trace with hash -629111386, now seen corresponding path program 1 times [2022-12-14 13:35:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:35:18,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040117724] [2022-12-14 13:35:18,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:35:18,418 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:35:18,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863179213] [2022-12-14 13:35:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:18,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:35:18,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:35:18,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:35:18,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:35:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:35:18,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 13:35:18,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:35:18,942 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 13:35:18,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:35:18,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:35:18,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040117724] [2022-12-14 13:35:18,943 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:35:18,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863179213] [2022-12-14 13:35:18,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863179213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:35:18,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:35:18,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:35:18,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938533999] [2022-12-14 13:35:18,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:35:18,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:35:18,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:35:18,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:35:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:35:18,944 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 13:35:19,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:35:19,869 INFO L93 Difference]: Finished difference Result 3258 states and 6292 transitions. [2022-12-14 13:35:19,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:35:19,873 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 13:35:19,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:35:19,881 INFO L225 Difference]: With dead ends: 3258 [2022-12-14 13:35:19,881 INFO L226 Difference]: Without dead ends: 2152 [2022-12-14 13:35:19,883 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 13:35:19,884 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 13:35:19,885 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 13:35:19,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-12-14 13:35:20,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2148. [2022-12-14 13:35:20,127 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 13:35:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4169 transitions. [2022-12-14 13:35:20,139 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4169 transitions. Word has length 28 [2022-12-14 13:35:20,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:35:20,139 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 4169 transitions. [2022-12-14 13:35:20,139 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 13:35:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4169 transitions. [2022-12-14 13:35:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 13:35:20,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:35:20,140 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 13:35:20,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:35:20,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:35:20,341 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 13:35:20,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:35:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1213932220, now seen corresponding path program 1 times [2022-12-14 13:35:20,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:35:20,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818359064] [2022-12-14 13:35:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:20,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:35:20,384 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:35:20,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795281981] [2022-12-14 13:35:20,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:20,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:35:20,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:35:20,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:35:20,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:35:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:35:36,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:35:36,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:35:36,655 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 13:35:36,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:35:36,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:35:36,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818359064] [2022-12-14 13:35:36,655 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:35:36,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795281981] [2022-12-14 13:35:36,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795281981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:35:36,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:35:36,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:35:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335827347] [2022-12-14 13:35:36,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:35:36,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:35:36,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:35:36,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:35:36,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:35:36,658 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 13:35:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:35:37,576 INFO L93 Difference]: Finished difference Result 4280 states and 8324 transitions. [2022-12-14 13:35:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:35:37,580 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 13:35:37,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:35:37,588 INFO L225 Difference]: With dead ends: 4280 [2022-12-14 13:35:37,588 INFO L226 Difference]: Without dead ends: 2150 [2022-12-14 13:35:37,592 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 13:35:37,593 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:35:37,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 13:35:37,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-12-14 13:35:37,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2022-12-14 13:35:37,829 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 13:35:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 4172 transitions. [2022-12-14 13:35:37,836 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 4172 transitions. Word has length 41 [2022-12-14 13:35:37,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:35:37,837 INFO L495 AbstractCegarLoop]: Abstraction has 2150 states and 4172 transitions. [2022-12-14 13:35:37,837 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 13:35:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4172 transitions. [2022-12-14 13:35:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 13:35:37,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:35:37,838 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 13:35:37,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:35:38,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:35:38,039 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 13:35:38,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:35:38,040 INFO L85 PathProgramCache]: Analyzing trace with hash -535975716, now seen corresponding path program 1 times [2022-12-14 13:35:38,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:35:38,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254959337] [2022-12-14 13:35:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:38,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:35:38,175 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:35:38,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1661767918] [2022-12-14 13:35:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:35:38,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:35:38,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:35:38,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:35:38,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19495fa4-9fdc-49e4-b308-3b8a71f8aa7c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:35:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:35:56,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 13:35:56,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:35:56,310 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 13:35:56,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:35:56,392 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 13:35:56,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:35:56,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254959337] [2022-12-14 13:35:56,393 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:35:56,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661767918] [2022-12-14 13:35:56,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661767918] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:35:56,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1198030685] [2022-12-14 13:35:56,410 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 13:35:56,410 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:35:56,413 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:35:56,419 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:35:56,419 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:35:56,472 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 13:35:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,491 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 13:35:56,491 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 13:35:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,499 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 13:35:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,507 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 13:35:56,514 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 13:35:56,534 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 13:35:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,560 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 13:35:56,560 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 13:35:56,569 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 13:35:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,599 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 13:35:56,600 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 13:35:56,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,612 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 13:35:56,641 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 13:35:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,655 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 13:35:56,666 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 13:35:56,951 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 13:35:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:56,992 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 13:35:57,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,026 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 13:35:57,059 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 13:35:57,090 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 13:35:57,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,139 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 13:35:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,178 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 13:35:57,204 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 13:35:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,261 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 13:35:57,287 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 13:35:57,308 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 13:35:57,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,368 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 13:35:57,369 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 13:35:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,389 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 13:35:57,529 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 13:35:57,533 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 13:35:57,537 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 13:35:57,559 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 13:35:57,566 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 13:35:57,573 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 13:35:57,591 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 13:35:57,595 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 13:35:57,600 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 13:35:57,646 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 13:35:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,684 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 13:35:57,699 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 13:35:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:35:57,827 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 13:35:57,844 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 13:35:57,856 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 13:35:59,198 INFO L217 Elim1Store]: Index analysis took 1162 ms [2022-12-14 13:36:01,198 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-12-14 13:36:01,199 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 13:36:02,713 INFO L217 Elim1Store]: Index analysis took 1413 ms [2022-12-14 13:36:05,444 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-12-14 13:36:05,445 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 13:36:12,237 WARN L233 SmtUtils]: Spent 6.60s 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 13:36:12,238 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 13:36:12,238 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 13:36:26,181 WARN L233 SmtUtils]: Spent 13.86s 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 13:36:26,181 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 13:36:26,182 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 13:36:26,806 INFO L217 Elim1Store]: Index analysis took 492 ms [2022-12-14 13:36:40,718 WARN L233 SmtUtils]: Spent 13.55s 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 13:36:40,719 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 13:36:40,720 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 13:36:41,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:36:41,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:36:41,410 INFO L217 Elim1Store]: Index analysis took 292 ms [2022-12-14 13:36:41,411 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 13:36:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:41,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:36:41,504 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 13:36:42,055 INFO L217 Elim1Store]: Index analysis took 408 ms [2022-12-14 13:36:42,927 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-12-14 13:36:42,928 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 13:36:43,043 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 13:36:43,043 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 13:36:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:43,299 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 13:36:43,815 INFO L217 Elim1Store]: Index analysis took 184 ms [2022-12-14 13:36:44,145 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 13:36:44,145 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 13:36:44,228 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 13:36:44,845 INFO L217 Elim1Store]: Index analysis took 304 ms [2022-12-14 13:36:45,786 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 13:36:45,787 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 13:36:46,298 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:36:47,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 13:36:47,297 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 13:36:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:49,653 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 13:36:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:49,698 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 13:36:51,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:51,387 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 13:36:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:51,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:51,999 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-12-14 13:36:52,200 INFO L321 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2022-12-14 13:36:52,200 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 13:36:52,769 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:36:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:52,920 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 13:39:03,206 WARN L233 SmtUtils]: Spent 5.22s 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 13:39:16,649 WARN L233 SmtUtils]: Spent 8.15s 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)