./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- [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-38b53e6 [2022-11-25 22:24:16,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:24:16,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:24:16,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:24:16,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:24:16,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:24:16,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:24:16,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:24:16,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:24:16,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:24:16,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:24:16,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:24:16,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:24:16,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:24:16,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:24:16,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:24:16,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:24:16,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:24:16,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:24:16,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:24:16,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:24:16,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:24:16,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:24:16,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:24:16,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:24:16,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:24:16,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:24:16,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:24:16,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:24:16,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:24:16,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:24:16,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:24:16,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:24:16,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:24:16,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:24:16,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:24:16,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:24:16,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:24:16,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:24:16,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:24:16,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:24:16,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 22:24:16,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:24:16,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:24:16,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:24:16,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:24:16,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:24:16,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:24:16,247 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:24:16,247 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:24:16,247 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:24:16,248 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:24:16,249 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:24:16,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:24:16,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:24:16,249 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:24:16,249 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:24:16,250 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:24:16,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:24:16,250 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:24:16,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:24:16,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:24:16,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:24:16,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:24:16,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:24:16,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:24:16,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:24:16,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:24:16,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:24:16,253 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:24:16,254 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:24:16,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:24:16,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:24:16,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:24:16,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:24:16,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:24:16,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:24:16,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:24:16,257 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:24:16,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:24:16,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:24:16,257 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:24:16,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:24:16,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:24:16,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:24:16,258 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_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2022-11-25 22:24:16,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:24:16,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:24:16,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:24:16,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:24:16,660 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:24:16,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2022-11-25 22:24:19,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:24:20,167 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:24:20,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2022-11-25 22:24:20,183 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/data/eb6b608a3/30aac73dd4314d4fb0e4b46deeb53eaa/FLAGc24f58cdd [2022-11-25 22:24:20,199 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/data/eb6b608a3/30aac73dd4314d4fb0e4b46deeb53eaa [2022-11-25 22:24:20,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:24:20,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:24:20,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:24:20,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:24:20,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:24:20,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:20" (1/1) ... [2022-11-25 22:24:20,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b56488f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:20, skipping insertion in model container [2022-11-25 22:24:20,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:20" (1/1) ... [2022-11-25 22:24:20,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:24:20,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:24:20,765 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_e1ca5477-a922-4344-99db-7686b0231362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2022-11-25 22:24:20,902 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:24:20,911 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_e1ca5477-a922-4344-99db-7686b0231362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2022-11-25 22:24:20,912 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_e1ca5477-a922-4344-99db-7686b0231362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2022-11-25 22:24:20,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:24:20,973 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:24:21,025 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_e1ca5477-a922-4344-99db-7686b0231362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2022-11-25 22:24:21,102 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:24:21,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2022-11-25 22:24:21,117 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_e1ca5477-a922-4344-99db-7686b0231362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2022-11-25 22:24:21,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:24:21,186 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:24:21,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21 WrapperNode [2022-11-25 22:24:21,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:24:21,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:24:21,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:24:21,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:24:21,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,323 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1153 [2022-11-25 22:24:21,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:24:21,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:24:21,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:24:21,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:24:21,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:24:21,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:24:21,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:24:21,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:24:21,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (1/1) ... [2022-11-25 22:24:21,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:24:21,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:21,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:24:21,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:24:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:24:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:24:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:24:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:24:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:24:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:24:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:24:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:24:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:24:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:24:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:24:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:24:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:24:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:24:21,948 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:24:21,957 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:24:23,655 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:24:24,151 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:24:24,151 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-11-25 22:24:24,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:24:24 BoogieIcfgContainer [2022-11-25 22:24:24,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:24:24,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:24:24,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:24:24,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:24:24,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:24:20" (1/3) ... [2022-11-25 22:24:24,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb88f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:24:24, skipping insertion in model container [2022-11-25 22:24:24,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:21" (2/3) ... [2022-11-25 22:24:24,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb88f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:24:24, skipping insertion in model container [2022-11-25 22:24:24,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:24:24" (3/3) ... [2022-11-25 22:24:24,168 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-2.i [2022-11-25 22:24:24,188 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:24:24,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 22:24:24,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:24:24,254 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;@59528b40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:24:24,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 22:24:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:24:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 22:24:24,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:24,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 22:24:24,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 22:24:24,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:24,273 INFO L85 PathProgramCache]: Analyzing trace with hash 28166472, now seen corresponding path program 1 times [2022-11-25 22:24:24,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:24,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816910665] [2022-11-25 22:24:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:24,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:24,407 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:24:24,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432531061] [2022-11-25 22:24:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:24,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:24,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:24,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:24,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:24:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:24,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 22:24:24,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:24,729 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 [2022-11-25 22:24:24,742 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 [2022-11-25 22:24:24,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:24,827 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 [2022-11-25 22:24:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:24:24,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:24:24,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:24,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816910665] [2022-11-25 22:24:24,856 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:24:24,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432531061] [2022-11-25 22:24:24,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432531061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:24,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:24:24,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:24:24,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217754141] [2022-11-25 22:24:24,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:24,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:24:24,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:24:24,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:24:24,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:24:24,914 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:24:26,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:26,896 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2022-11-25 22:24:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:24:26,902 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 [2022-11-25 22:24:26,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:26,911 INFO L225 Difference]: With dead ends: 316 [2022-11-25 22:24:26,911 INFO L226 Difference]: Without dead ends: 165 [2022-11-25 22:24:26,914 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 [2022-11-25 22:24:26,918 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:26,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 319 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 22:24:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-25 22:24:26,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-11-25 22:24:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:24:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-11-25 22:24:27,001 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-11-25 22:24:27,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:27,002 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-11-25 22:24:27,002 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) [2022-11-25 22:24:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-11-25 22:24:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 22:24:27,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:27,006 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] [2022-11-25 22:24:27,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:24:27,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:27,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 22:24:27,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1476887490, now seen corresponding path program 1 times [2022-11-25 22:24:27,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:27,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83400893] [2022-11-25 22:24:27,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:27,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:24:27,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:27,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83400893] [2022-11-25 22:24:27,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83400893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:27,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:24:27,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:24:27,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137151950] [2022-11-25 22:24:27,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:27,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:24:27,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:24:27,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:24:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:24:27,785 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:24:30,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:24:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:30,462 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-11-25 22:24:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:24:30,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-25 22:24:30,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:30,470 INFO L225 Difference]: With dead ends: 211 [2022-11-25 22:24:30,471 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 22:24:30,471 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 [2022-11-25 22:24:30,473 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:30,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 22:24:30,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 22:24:30,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-11-25 22:24:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:24:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-11-25 22:24:30,486 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-11-25 22:24:30,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:30,486 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-11-25 22:24:30,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:24:30,487 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-11-25 22:24:30,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 22:24:30,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:30,488 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] [2022-11-25 22:24:30,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:24:30,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 22:24:30,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:30,489 INFO L85 PathProgramCache]: Analyzing trace with hash 421230472, now seen corresponding path program 1 times [2022-11-25 22:24:30,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:30,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90434349] [2022-11-25 22:24:30,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:30,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:30,681 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:24:30,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933875781] [2022-11-25 22:24:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:30,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:30,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:30,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:24:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:31,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:24:31,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:24:31,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:24:31,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:31,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90434349] [2022-11-25 22:24:31,482 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:24:31,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933875781] [2022-11-25 22:24:31,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933875781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:31,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:24:31,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:24:31,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054267084] [2022-11-25 22:24:31,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:31,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:24:31,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:24:31,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:24:31,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:24:31,485 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:24:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:32,456 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-11-25 22:24:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:24:32,459 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 [2022-11-25 22:24:32,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:32,461 INFO L225 Difference]: With dead ends: 277 [2022-11-25 22:24:32,461 INFO L226 Difference]: Without dead ends: 165 [2022-11-25 22:24:32,462 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 [2022-11-25 22:24:32,463 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:32,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:24:32,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-25 22:24:32,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-11-25 22:24:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 22:24:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-11-25 22:24:32,478 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-11-25 22:24:32,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:32,478 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-11-25 22:24:32,479 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) [2022-11-25 22:24:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-11-25 22:24:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 22:24:32,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:32,480 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] [2022-11-25 22:24:32,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 22:24:32,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:32,690 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 22:24:32,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:32,690 INFO L85 PathProgramCache]: Analyzing trace with hash -722486566, now seen corresponding path program 1 times [2022-11-25 22:24:32,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:32,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686270160] [2022-11-25 22:24:32,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:32,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:32,750 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:24:32,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625296261] [2022-11-25 22:24:32,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:32,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:32,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:32,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:32,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:24:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:47,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:24:47,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 22:24:47,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:24:47,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:47,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686270160] [2022-11-25 22:24:47,593 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:24:47,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625296261] [2022-11-25 22:24:47,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625296261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:47,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:24:47,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:24:47,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391083215] [2022-11-25 22:24:47,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:47,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:24:47,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:24:47,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:24:47,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:24:47,597 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:24:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:50,456 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-11-25 22:24:50,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:24:50,463 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-25 22:24:50,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:50,465 INFO L225 Difference]: With dead ends: 308 [2022-11-25 22:24:50,465 INFO L226 Difference]: Without dead ends: 164 [2022-11-25 22:24:50,466 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 [2022-11-25 22:24:50,468 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:50,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 22:24:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-25 22:24:50,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-11-25 22:24:50,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-25 22:24:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-11-25 22:24:50,504 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-11-25 22:24:50,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:50,504 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-11-25 22:24:50,505 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:24:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-11-25 22:24:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 22:24:50,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:50,506 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] [2022-11-25 22:24:50,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 22:24:50,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:50,729 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 22:24:50,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1306539504, now seen corresponding path program 1 times [2022-11-25 22:24:50,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:50,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261542518] [2022-11-25 22:24:50,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:50,793 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:24:50,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664124544] [2022-11-25 22:24:50,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:50,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:50,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:50,795 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ca5477-a922-4344-99db-7686b0231362/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:25:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:25:18,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 22:25:18,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:25:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:25:18,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:25:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:25:18,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:25:18,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261542518] [2022-11-25 22:25:18,782 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:25:18,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664124544] [2022-11-25 22:25:18,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664124544] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:25:18,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [970287460] [2022-11-25 22:25:18,803 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-25 22:25:18,804 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:25:18,808 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:25:18,814 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:25:18,815 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:25:18,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:18,928 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 22:25:18,929 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 [2022-11-25 22:25:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:18,959 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 [2022-11-25 22:25:18,970 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 [2022-11-25 22:25:18,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:18,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 22:25:19,002 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 [2022-11-25 22:25:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,057 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:25:19,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-25 22:25:19,071 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 [2022-11-25 22:25:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,115 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:25:19,115 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 [2022-11-25 22:25:19,137 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 15 treesize of output 1 [2022-11-25 22:25:19,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 22:25:19,194 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 [2022-11-25 22:25:19,202 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 [2022-11-25 22:25:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,219 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 [2022-11-25 22:25:19,702 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 [2022-11-25 22:25:19,723 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 [2022-11-25 22:25:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,792 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 [2022-11-25 22:25:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:19,885 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 9896993 treesize of output 5376298 [2022-11-25 22:25:19,959 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 [2022-11-25 22:25:19,976 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 [2022-11-25 22:25:20,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,058 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 [2022-11-25 22:25:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,120 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 [2022-11-25 22:25:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,232 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 [2022-11-25 22:25:20,276 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 [2022-11-25 22:25:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,375 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:25:20,375 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 [2022-11-25 22:25:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,404 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 [2022-11-25 22:25:20,432 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 [2022-11-25 22:25:20,654 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 [2022-11-25 22:25:20,660 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 13 treesize of output 9 [2022-11-25 22:25:20,666 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 [2022-11-25 22:25:20,717 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:25:20,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-25 22:25:20,749 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 22:25:20,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-25 22:25:20,780 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:25:20,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-25 22:25:20,821 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 [2022-11-25 22:25:20,827 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 [2022-11-25 22:25:20,834 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 [2022-11-25 22:25:20,897 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 46 treesize of output 16 [2022-11-25 22:25:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:20,945 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 [2022-11-25 22:25:20,969 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 [2022-11-25 22:25:21,195 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 46 treesize of output 16 [2022-11-25 22:25:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:21,239 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 [2022-11-25 22:25:21,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:25:23,561 INFO L217 Elim1Store]: Index analysis took 1811 ms [2022-11-25 22:25:26,595 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-25 22:25:26,596 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 9519766 treesize of output 9519770 [2022-11-25 22:25:27,978 INFO L217 Elim1Store]: Index analysis took 1212 ms [2022-11-25 22:25:31,183 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-25 22:25:31,184 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 9519771 treesize of output 9519774 [2022-11-25 22:25:40,877 WARN L233 SmtUtils]: Spent 9.64s 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) [2022-11-25 22:25:40,878 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:25:40,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 22:25:41,061 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-25 22:26:03,958 WARN L233 SmtUtils]: Spent 22.89s 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) [2022-11-25 22:26:03,958 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:26:03,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-25 22:26:04,974 INFO L217 Elim1Store]: Index analysis took 736 ms [2022-11-25 22:26:29,191 WARN L233 SmtUtils]: Spent 23.71s 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) [2022-11-25 22:26:29,193 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 22:26:29,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-11-25 22:26:30,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:30,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 22:26:30,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:30,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:30,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-25 22:27:33,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:33,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:33,643 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 32 treesize of output 20 [2022-11-25 22:27:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:34,298 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 17 treesize of output 11 [2022-11-25 22:27:38,711 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:38,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:38,759 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:38,787 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:37,004 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 32 treesize of output 20 [2022-11-25 22:28:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:37,637 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 17 treesize of output 11 [2022-11-25 22:28:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:47,890 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 23 treesize of output 15 [2022-11-25 22:28:47,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:47,953 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 32 treesize of output 20 [2022-11-25 22:28:48,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:48,043 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 32 treesize of output 20 [2022-11-25 22:28:48,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:48,131 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 23 treesize of output 15 [2022-11-25 22:29:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:10,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:29:10,745 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 [2022-11-25 22:29:10,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:10,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2022-11-25 22:29:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:10,897 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 [2022-11-25 22:29:18,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:29:18,903 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 [2022-11-25 22:31:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:02,487 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 [2022-11-25 22:32:13,630 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 38372 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 22:32:28,214 WARN L233 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 16914 DAG size of output: 16911 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)