./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P --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 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:30,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:30,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:30,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:30,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:30,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:30,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:30,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:30,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:30,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:30,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:30,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:30,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:30,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:30,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:30,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:30,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:30,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:30,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:30,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:30,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:30,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:30,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:30,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:30,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:30,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:30,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:30,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:30,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:30,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:30,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:30,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:30,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:30,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:30,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:30,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:30,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:30,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:30,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:30,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:30,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:30,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:35:30,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:30,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:30,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:30,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:30,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:30,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:30,225 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:30,225 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:30,225 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:30,225 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:30,226 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:30,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:30,226 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:30,226 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:30,226 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:30,227 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:30,227 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:30,227 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:30,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:30,228 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:30,228 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:35:30,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:30,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:30,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:30,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:30,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:30,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:30,229 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:35:30,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:30,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:30,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:30,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:30,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:30,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:30,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:30,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:30,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:30,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:30,232 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:30,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:30,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:30,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:30,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:30,246 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2021-11-20 23:35:30,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:30,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:30,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:30,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:30,518 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:30,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2021-11-20 23:35:30,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/data/3fa1cd2cc/1a351d5d14014fbcb0f763a919196ef7/FLAGf7e541406 [2021-11-20 23:35:31,187 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:31,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2021-11-20 23:35:31,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/data/3fa1cd2cc/1a351d5d14014fbcb0f763a919196ef7/FLAGf7e541406 [2021-11-20 23:35:31,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/data/3fa1cd2cc/1a351d5d14014fbcb0f763a919196ef7 [2021-11-20 23:35:31,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:31,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:31,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:31,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:31,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:31,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:31" (1/1) ... [2021-11-20 23:35:31,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8cf972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:31, skipping insertion in model container [2021-11-20 23:35:31,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:31" (1/1) ... [2021-11-20 23:35:31,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:31,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:31,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[33021,33034] [2021-11-20 23:35:31,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44124,44137] [2021-11-20 23:35:31,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44245,44258] [2021-11-20 23:35:31,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:32,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:32,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[33021,33034] [2021-11-20 23:35:32,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44124,44137] [2021-11-20 23:35:32,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i[44245,44258] [2021-11-20 23:35:32,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:32,210 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:32,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32 WrapperNode [2021-11-20 23:35:32,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:32,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:32,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:32,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:32,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,388 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-20 23:35:32,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:32,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:32,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:32,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:32,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:32,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:32,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:32,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:32,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2021-11-20 23:35:32,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:32,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:32,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:32,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:35:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:35:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:35:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:35:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:35:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:35:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:35:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:35:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:35:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:35:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:35:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:32,920 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:32,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:33,999 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:34,452 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:34,452 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-20 23:35:34,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:34 BoogieIcfgContainer [2021-11-20 23:35:34,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:34,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:34,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:34,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:34,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:31" (1/3) ... [2021-11-20 23:35:34,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f34317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:34, skipping insertion in model container [2021-11-20 23:35:34,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (2/3) ... [2021-11-20 23:35:34,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f34317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:34, skipping insertion in model container [2021-11-20 23:35:34,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:34" (3/3) ... [2021-11-20 23:35:34,473 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-2.i [2021-11-20 23:35:34,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:34,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:35:34,572 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:34,584 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:35:34,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:35:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:35:34,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:34,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:35:34,613 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:35:34,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-20 23:35:34,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:34,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710495477] [2021-11-20 23:35:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:34,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:34,775 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:34,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1453376487] [2021-11-20 23:35:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:34,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:34,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:34,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:34,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:35:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:35,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:35:35,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:35,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:35:35,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 23:35:35,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-20 23:35:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:35,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:35,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:35,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710495477] [2021-11-20 23:35:35,184 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:35,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453376487] [2021-11-20 23:35:35,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453376487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:35,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:35,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:35,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504078188] [2021-11-20 23:35:35,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:35,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:35,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:35,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:35,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:35,237 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:37,424 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-20 23:35:37,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:37,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-20 23:35:37,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:37,451 INFO L225 Difference]: With dead ends: 316 [2021-11-20 23:35:37,452 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:35:37,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:37,458 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:37,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 23:35:37,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:35:37,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-20 23:35:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-20 23:35:37,509 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-20 23:35:37,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:37,510 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-20 23:35:37,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:37,510 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-20 23:35:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:35:37,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:37,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:37,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:37,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:35:37,716 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:35:37,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-20 23:35:37,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:37,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306733333] [2021-11-20 23:35:37,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:37,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:37,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:37,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306733333] [2021-11-20 23:35:37,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306733333] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:37,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:37,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:35:37,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706075288] [2021-11-20 23:35:37,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:37,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:37,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:37,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:37,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:37,858 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:39,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:39,097 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-20 23:35:39,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:39,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-20 23:35:39,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:39,104 INFO L225 Difference]: With dead ends: 211 [2021-11-20 23:35:39,104 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 23:35:39,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:39,106 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:39,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:35:39,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 23:35:39,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-20 23:35:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-20 23:35:39,119 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-20 23:35:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:39,119 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-20 23:35:39,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-20 23:35:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:35:39,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:39,121 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:39,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:35:39,121 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:35:39,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:39,122 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-20 23:35:39,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:39,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298513093] [2021-11-20 23:35:39,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:39,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:39,140 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:39,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051734713] [2021-11-20 23:35:39,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:39,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:39,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:39,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:35:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:39,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:35:39,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:39,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:39,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:39,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298513093] [2021-11-20 23:35:39,550 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:39,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051734713] [2021-11-20 23:35:39,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051734713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:39,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:39,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:39,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036473132] [2021-11-20 23:35:39,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:39,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:35:39,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:39,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:35:39,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:39,553 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:41,119 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-20 23:35:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:35:41,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-20 23:35:41,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:41,132 INFO L225 Difference]: With dead ends: 277 [2021-11-20 23:35:41,133 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:35:41,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:41,136 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:41,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 23:35:41,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:35:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-20 23:35:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-20 23:35:41,151 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-20 23:35:41,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:41,152 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-20 23:35:41,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-20 23:35:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 23:35:41,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:41,154 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:41,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:41,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 23:35:41,381 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:35:41,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:41,382 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-20 23:35:41,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:41,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617415168] [2021-11-20 23:35:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:41,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:41,407 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:41,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268136392] [2021-11-20 23:35:41,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:41,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:41,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:41,417 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:41,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:35:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:41,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:35:41,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:35:41,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:41,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:41,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617415168] [2021-11-20 23:35:41,995 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:41,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268136392] [2021-11-20 23:35:41,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268136392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:41,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:41,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:41,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812881588] [2021-11-20 23:35:41,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:41,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:41,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:41,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:41,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:41,997 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) [2021-11-20 23:35:42,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:42,990 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-20 23:35:42,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:42,997 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 [2021-11-20 23:35:42,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:43,000 INFO L225 Difference]: With dead ends: 308 [2021-11-20 23:35:43,000 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:35:43,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:43,002 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:43,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:35:43,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:35:43,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-20 23:35:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 23:35:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-20 23:35:43,021 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-20 23:35:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:43,022 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-20 23:35:43,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:35:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-20 23:35:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:35:43,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:43,023 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:43,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:43,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:43,249 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:35:43,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:43,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-20 23:35:43,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:43,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381045930] [2021-11-20 23:35:43,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:43,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:43,262 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:43,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331892491] [2021-11-20 23:35:43,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:43,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:43,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:43,264 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:43,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6611fa87-337f-4a8b-994c-9e475a01212d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:35:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:43,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:35:43,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:35:43,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:35:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:35:43,952 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:43,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381045930] [2021-11-20 23:35:43,952 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:43,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331892491] [2021-11-20 23:35:43,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331892491] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:35:43,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [719920542] [2021-11-20 23:35:43,972 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:35:43,973 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:35:43,977 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:35:43,982 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:35:43,983 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:35:44,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:35:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 26 treesize of output 28 [2021-11-20 23:35:44,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:35:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,146 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:35:44,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-20 23:35:44,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,197 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:35:44,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:35:44,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:35:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,360 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:35:44,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 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 [2021-11-20 23:35:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,440 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:35:44,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:35:44,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:35:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,534 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:35:44,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:35:44,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 23:35:44,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 23:35:44,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:44,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-20 23:35:46,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-20 23:35:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-20 23:35:46,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:35:46,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:35:46,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-20 23:35:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:35:46,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:35:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:35:46,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:35:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,645 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:35:46,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:35:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,745 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:35:46,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:35:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:46,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:35:47,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:35:47,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:35:47,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 23:35:47,436 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:35:47,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:35:47,457 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:35:47,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:35:47,487 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:35:47,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:35:47,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 23:35:47,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:35:47,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:35:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:35:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:35:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:47,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:35:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:35:48,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:35:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:48,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:35:54,274 WARN L227 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:35:54,275 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:35:54,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2847 treesize of output 2324 [2021-11-20 23:35:54,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:01,945 WARN L227 SmtUtils]: Spent 7.63s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:36:01,945 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:36:01,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2948 treesize of output 2666 [2021-11-20 23:36:11,139 WARN L227 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:36:11,140 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:36:11,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:36:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:13,012 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-20 23:36:13,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-20 23:36:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:14,151 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:36:14,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-20 23:36:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:16,055 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:36:16,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:36:16,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:16,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:16,991 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 23:36:16,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-20 23:36:17,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:17,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:17,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,295 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:18,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1210 treesize of output 1926 [2021-11-20 23:36:19,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:19,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1133 treesize of output 769 [2021-11-20 23:36:20,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:20,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:21,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:21,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:21,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:21,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:21,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1201 treesize of output 769 [2021-11-20 23:36:21,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:22,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:22,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:22,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:22,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:22,563 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-20 23:36:22,577 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:36:22,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1210 treesize of output 772 [2021-11-20 23:36:23,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:23,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:23,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:23,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1133 treesize of output 769 [2021-11-20 23:36:23,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:23,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:24,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:24,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:24,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:24,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:24,149 INFO L244 Elim1Store]: Index analysis took 154 ms [2021-11-20 23:36:24,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-20 23:36:25,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:25,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,318 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-20 23:36:25,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-20 23:36:26,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:26,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:26,723 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-20 23:36:26,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1231 treesize of output 775 [2021-11-20 23:36:27,170 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-20 23:36:28,572 INFO L354 Elim1Store]: treesize reduction 981, result has 47.3 percent of original size [2021-11-20 23:36:28,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1231 treesize of output 1654 [2021-11-20 23:36:30,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:30,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:30,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:30,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:30,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:30,886 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-20 23:36:30,897 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-20 23:36:30,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1154 treesize of output 772 [2021-11-20 23:36:32,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:32,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:32,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:32,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:32,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:32,250 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-20 23:36:32,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-20 23:36:36,932 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:36:36,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 13501 treesize of output 13509 [2021-11-20 23:36:38,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:38,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:38,249 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:38,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-20 23:36:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:38,645 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:36:38,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-20 23:36:39,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:36:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:39,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:39,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-20 23:36:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver