./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.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_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/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_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/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_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/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 f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:50:42,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:50:42,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:50:42,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:50:42,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:50:42,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:50:42,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:50:42,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:50:42,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:50:42,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:50:42,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:50:42,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:50:42,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:50:42,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:50:42,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:50:42,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:50:42,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:50:42,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:50:42,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:50:42,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:50:42,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:50:42,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:50:42,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:50:42,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:50:42,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:50:42,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:50:42,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:50:42,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:50:42,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:50:42,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:50:42,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:50:42,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:50:42,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:50:42,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:50:42,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:50:42,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:50:42,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:50:42,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:50:42,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:50:42,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:50:42,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:50:42,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:50:42,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:50:42,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:50:42,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:50:42,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:50:42,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:50:42,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:50:42,346 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:50:42,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:50:42,346 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:50:42,346 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:50:42,346 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:50:42,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:50:42,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:50:42,347 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:50:42,347 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:50:42,348 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:50:42,348 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:50:42,348 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:50:42,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:50:42,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:50:42,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:50:42,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:50:42,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:50:42,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:50:42,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:50:42,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:50:42,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:50:42,351 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:50:42,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:50:42,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:50:42,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:50:42,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:50:42,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:50:42,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:50:42,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:50:42,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:50:42,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:50:42,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:50:42,357 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:50:42,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:50:42,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:50:42,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:50:42,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:50:42,358 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_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2021-11-21 01:50:42,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:50:42,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:50:42,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:50:42,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:50:42,665 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:50:42,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2021-11-21 01:50:42,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/data/25ebcc71d/d843c670148e45d89a3c111cc9b7da82/FLAGdc11f1b84 [2021-11-21 01:50:43,275 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:50:43,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2021-11-21 01:50:43,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/data/25ebcc71d/d843c670148e45d89a3c111cc9b7da82/FLAGdc11f1b84 [2021-11-21 01:50:43,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/data/25ebcc71d/d843c670148e45d89a3c111cc9b7da82 [2021-11-21 01:50:43,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:50:43,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:50:43,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:50:43,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:50:43,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:50:43,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:50:43" (1/1) ... [2021-11-21 01:50:43,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325ef7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:43, skipping insertion in model container [2021-11-21 01:50:43,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:50:43" (1/1) ... [2021-11-21 01:50:43,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:50:43,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:50:44,052 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_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2021-11-21 01:50:44,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:50:44,218 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:50:44,271 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_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2021-11-21 01:50:44,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:50:44,408 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:50:44,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44 WrapperNode [2021-11-21 01:50:44,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:50:44,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:50:44,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:50:44,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:50:44,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,538 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 782 [2021-11-21 01:50:44,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:50:44,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:50:44,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:50:44,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:50:44,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:50:44,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:50:44,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:50:44,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:50:44,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (1/1) ... [2021-11-21 01:50:44,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:50:44,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:50:44,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:50:44,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:50:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:50:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:50:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:50:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:50:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:50:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:50:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:50:44,944 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:50:44,946 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:50:45,908 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:50:46,162 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:50:46,163 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-21 01:50:46,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:50:46 BoogieIcfgContainer [2021-11-21 01:50:46,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:50:46,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:50:46,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:50:46,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:50:46,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:50:43" (1/3) ... [2021-11-21 01:50:46,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307c38d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:50:46, skipping insertion in model container [2021-11-21 01:50:46,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:44" (2/3) ... [2021-11-21 01:50:46,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307c38d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:50:46, skipping insertion in model container [2021-11-21 01:50:46,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:50:46" (3/3) ... [2021-11-21 01:50:46,175 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-2.i [2021-11-21 01:50:46,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:50:46,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 01:50:46,222 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:50:46,229 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 [2021-11-21 01:50:46,229 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 01:50:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:50:46,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:50:46,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:46,250 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:50:46,251 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)] === [2021-11-21 01:50:46,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:46,256 INFO L85 PathProgramCache]: Analyzing trace with hash 663178, now seen corresponding path program 1 times [2021-11-21 01:50:46,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:46,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536466766] [2021-11-21 01:50:46,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:46,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:46,363 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:50:46,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025755710] [2021-11-21 01:50:46,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:46,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:46,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:50:46,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:50:46,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:50:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:46,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:50:46,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:50:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:50:46,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:50:46,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:46,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536466766] [2021-11-21 01:50:46,577 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:50:46,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025755710] [2021-11-21 01:50:46,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025755710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:46,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:46,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:50:46,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818761645] [2021-11-21 01:50:46,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:46,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:50:46,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:46,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:50:46,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:50:46,627 INFO L87 Difference]: Start difference. First operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-21 01:50:47,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:47,660 INFO L93 Difference]: Finished difference Result 258 states and 438 transitions. [2021-11-21 01:50:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:50:47,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-21 01:50:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:47,678 INFO L225 Difference]: With dead ends: 258 [2021-11-21 01:50:47,678 INFO L226 Difference]: Without dead ends: 141 [2021-11-21 01:50:47,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:50:47,685 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 54 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:47,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 231 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:50:47,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-21 01:50:47,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-21 01:50:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:50:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-21 01:50:47,735 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-21 01:50:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:47,735 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-21 01:50:47,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-21 01:50:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-21 01:50:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 01:50:47,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:47,738 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] [2021-11-21 01:50:47,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:50:47,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:50:47,945 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:50:47,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:47,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1363999608, now seen corresponding path program 1 times [2021-11-21 01:50:47,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:47,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186805077] [2021-11-21 01:50:47,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:47,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:47,979 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:50:47,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683735125] [2021-11-21 01:50:47,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:47,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:47,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:50:47,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:50:48,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:50:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:48,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:50:48,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:50:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:50:48,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:50:48,375 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:48,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186805077] [2021-11-21 01:50:48,375 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:50:48,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683735125] [2021-11-21 01:50:48,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683735125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:48,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:48,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:50:48,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114970200] [2021-11-21 01:50:48,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:48,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:48,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:48,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:48,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:48,381 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-11-21 01:50:50,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:50,525 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-21 01:50:50,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:50:50,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-11-21 01:50:50,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:50,532 INFO L225 Difference]: With dead ends: 141 [2021-11-21 01:50:50,532 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:50:50,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:50,534 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:50,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:50:50,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:50:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-21 01:50:50,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:50:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-21 01:50:50,552 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-21 01:50:50,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:50,552 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-21 01:50:50,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-11-21 01:50:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-21 01:50:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:50:50,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:50,554 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] [2021-11-21 01:50:50,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:50:50,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:50,769 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:50:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:50,770 INFO L85 PathProgramCache]: Analyzing trace with hash 665685527, now seen corresponding path program 1 times [2021-11-21 01:50:50,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:50,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205954673] [2021-11-21 01:50:50,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:50,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:50,785 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:50:50,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87834270] [2021-11-21 01:50:50,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:50,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:50,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:50:50,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:50:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:50:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:50,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:50:50,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:50:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:50:51,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:50:51,053 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:51,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205954673] [2021-11-21 01:50:51,054 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:50:51,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87834270] [2021-11-21 01:50:51,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87834270] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:51,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:51,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:50:51,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565882087] [2021-11-21 01:50:51,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:51,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:51,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:51,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:51,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:51,059 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-11-21 01:50:52,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:52,128 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-21 01:50:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:50:52,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 [2021-11-21 01:50:52,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:52,141 INFO L225 Difference]: With dead ends: 138 [2021-11-21 01:50:52,141 INFO L226 Difference]: Without dead ends: 137 [2021-11-21 01:50:52,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:52,143 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:52,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:50:52,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-21 01:50:52,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-21 01:50:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:50:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:50:52,162 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-21 01:50:52,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:52,162 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:50:52,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-11-21 01:50:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:50:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:50:52,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:52,164 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:50:52,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 01:50:52,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:52,389 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:50:52,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:52,389 INFO L85 PathProgramCache]: Analyzing trace with hash -226314427, now seen corresponding path program 1 times [2021-11-21 01:50:52,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:52,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053656230] [2021-11-21 01:50:52,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:52,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:52,404 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:50:52,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100895072] [2021-11-21 01:50:52,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:52,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:52,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:50:52,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:50:52,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:50:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:52,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:50:52,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:50:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:50:52,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:50:52,696 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:52,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053656230] [2021-11-21 01:50:52,697 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:50:52,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100895072] [2021-11-21 01:50:52,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100895072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:52,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:52,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:50:52,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532818052] [2021-11-21 01:50:52,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:52,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:50:52,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:52,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:50:52,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:50:52,699 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2021-11-21 01:50:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:54,028 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-21 01:50:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:50:54,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-21 01:50:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:54,043 INFO L225 Difference]: With dead ends: 246 [2021-11-21 01:50:54,043 INFO L226 Difference]: Without dead ends: 135 [2021-11-21 01:50:54,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:50:54,045 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:54,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:50:54,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-21 01:50:54,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-21 01:50:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:50:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-21 01:50:54,060 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-21 01:50:54,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:54,061 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-21 01:50:54,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2021-11-21 01:50:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-21 01:50:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:50:54,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:54,063 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] [2021-11-21 01:50:54,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-21 01:50:54,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:54,286 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:50:54,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:54,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2000698168, now seen corresponding path program 1 times [2021-11-21 01:50:54,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:54,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141462696] [2021-11-21 01:50:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:54,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:54,302 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:50:54,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2062359903] [2021-11-21 01:50:54,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:54,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:54,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:50:54,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:50:54,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:50:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:54,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:50:54,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:50:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:50:54,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:50:54,710 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:54,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141462696] [2021-11-21 01:50:54,711 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:50:54,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062359903] [2021-11-21 01:50:54,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062359903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:54,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:54,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:50:54,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288619488] [2021-11-21 01:50:54,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:54,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:54,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:54,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:54,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:54,713 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-21 01:50:55,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:55,904 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-21 01:50:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:50:55,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 43 [2021-11-21 01:50:55,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:55,911 INFO L225 Difference]: With dead ends: 252 [2021-11-21 01:50:55,911 INFO L226 Difference]: Without dead ends: 137 [2021-11-21 01:50:55,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:50:55,913 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:55,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:50:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-21 01:50:55,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-21 01:50:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-21 01:50:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-21 01:50:55,928 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-21 01:50:55,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:55,928 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-21 01:50:55,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-21 01:50:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-21 01:50:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 01:50:55,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:55,930 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2021-11-21 01:50:55,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:50:56,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:56,152 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 01:50:56,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash 56861400, now seen corresponding path program 1 times [2021-11-21 01:50:56,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:56,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994710750] [2021-11-21 01:50:56,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:56,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:56,188 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:50:56,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254724680] [2021-11-21 01:50:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:56,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:56,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:50:56,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:50:56,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ccc079-ac6b-4b20-a5a5-0ecd91fb89db/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:50:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:56,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:50:56,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:50:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:50:56,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:50:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:50:56,867 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:56,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994710750] [2021-11-21 01:50:56,867 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:50:56,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254724680] [2021-11-21 01:50:56,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254724680] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:50:56,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [489261188] [2021-11-21 01:50:56,896 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:50:56,897 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:50:56,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:50:56,910 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:50:56,910 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:50:57,094 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:50:57,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:50:57,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:50:57,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:50:57,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:50:57,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:50:57,343 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 [2021-11-21 01:50:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:57,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 37 treesize of output 42 [2021-11-21 01:50:57,425 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 [2021-11-21 01:50:58,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,514 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 [2021-11-21 01:50:58,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:50:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:50:58,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,634 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 [2021-11-21 01:50:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,715 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 [2021-11-21 01:50:58,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:50:58,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:50:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,826 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 [2021-11-21 01:50:58,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:58,924 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 100 treesize of output 105 [2021-11-21 01:50:58,970 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:50:58,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 117 treesize of output 125 [2021-11-21 01:50:59,034 INFO L354 Elim1Store]: treesize reduction 184, result has 10.2 percent of original size [2021-11-21 01:50:59,034 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 11 case distinctions, treesize of input 116 treesize of output 119 [2021-11-21 01:50:59,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,154 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 [2021-11-21 01:50:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:50:59,685 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 [2021-11-21 01:50:59,690 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 [2021-11-21 01:50:59,697 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 [2021-11-21 01:50:59,750 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:50:59,751 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 98 treesize of output 97 [2021-11-21 01:50:59,773 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:50:59,774 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 94 treesize of output 93 [2021-11-21 01:50:59,794 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:50:59,795 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 90 treesize of output 89 [2021-11-21 01:50:59,857 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 [2021-11-21 01:50:59,864 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 [2021-11-21 01:50:59,874 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 [2021-11-21 01:50:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:59,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:51:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,029 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 [2021-11-21 01:51:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,063 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 [2021-11-21 01:51:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:51:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,375 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 [2021-11-21 01:51:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:00,409 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 [2021-11-21 01:51:06,542 WARN L227 SmtUtils]: Spent 6.02s 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) [2021-11-21 01:51:06,542 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:51:06,543 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 2837 treesize of output 2314 [2021-11-21 01:51:06,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:15,851 WARN L227 SmtUtils]: Spent 9.23s 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) [2021-11-21 01:51:15,851 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:51:15,852 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 2938 treesize of output 2656 [2021-11-21 01:51:26,215 WARN L227 SmtUtils]: Spent 10.25s 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) [2021-11-21 01:51:26,217 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:51:26,218 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 2906 treesize of output 2676 [2021-11-21 01:51:27,670 INFO L354 Elim1Store]: treesize reduction 150, result has 21.9 percent of original size [2021-11-21 01:51:27,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25944 treesize of output 25972 [2021-11-21 01:51:28,351 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:51:28,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25954 treesize of output 25965 [2021-11-21 01:51:30,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:30,914 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:51:30,914 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 [2021-11-21 01:51:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:31,387 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 01:51:31,387 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 [2021-11-21 01:51:31,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:32,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:32,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:32,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1188 treesize of output 824 [2021-11-21 01:51:32,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:32,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:32,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:33,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:33,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:33,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:33,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:33,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:33,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:33,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:33,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:33,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1209 treesize of output 827 [2021-11-21 01:51:34,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:34,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:34,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:34,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:35,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:35,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:35,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:35,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:35,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:35,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:35,845 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-21 01:51:35,846 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 1 case distinctions, treesize of input 1271 treesize of output 867 [2021-11-21 01:51:36,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:36,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:36,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:36,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:36,983 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-21 01:51:36,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1271 treesize of output 821 [2021-11-21 01:51:37,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:37,823 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-11-21 01:51:39,499 INFO L354 Elim1Store]: treesize reduction 917, result has 50.8 percent of original size [2021-11-21 01:51:39,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1286 treesize of output 1777 [2021-11-21 01:51:42,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:42,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:42,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:42,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:42,383 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-21 01:51:42,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1271 treesize of output 821 [2021-11-21 01:51:43,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:44,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:44,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:44,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:44,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:44,620 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-21 01:51:44,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1265 treesize of output 827 [2021-11-21 01:51:44,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:45,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:45,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:45,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:45,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:45,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:45,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:45,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:46,441 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-21 01:51:46,441 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 3 case distinctions, treesize of input 1265 treesize of output 1189 [2021-11-21 01:51:46,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:47,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:47,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:51:49,369 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:51:49,369 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 1573 treesize of output 1581 [2021-11-21 01:51:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:50,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:50,319 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 [2021-11-21 01:51:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:51,301 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:51:51,302 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 2 case distinctions, treesize of input 75 treesize of output 73 [2021-11-21 01:51:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:51,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:51,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-21 01:51:56,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:56,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:56,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:56,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:56,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:51:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:56,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4858 treesize of output 3290 [2021-11-21 01:52:00,101 INFO L190 IndexEqualityManager]: detected not equals via solver