./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.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_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/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_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/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_93c193e3-846f-40d2-b4cf-cf23a236d760/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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:51:58,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:51:58,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:51:58,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:51:58,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:51:58,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:51:58,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:51:58,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:51:58,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:51:58,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:51:58,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:51:58,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:51:58,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:51:58,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:51:58,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:51:58,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:51:58,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:51:58,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:51:58,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:51:58,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:51:58,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:51:58,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:51:58,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:51:58,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:51:58,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:51:58,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:51:58,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:51:58,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:51:58,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:51:58,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:51:58,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:51:58,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:51:58,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:51:58,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:51:58,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:51:58,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:51:58,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:51:58,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:51:58,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:51:58,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:51:58,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:51:58,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:51:58,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:51:58,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:51:58,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:51:58,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:51:58,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:51:58,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:51:58,266 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:51:58,266 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:51:58,266 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:51:58,266 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:51:58,267 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:51:58,268 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:51:58,268 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:51:58,268 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:51:58,268 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:51:58,268 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:51:58,269 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:51:58,269 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:51:58,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:51:58,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:51:58,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:51:58,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:51:58,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:51:58,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:51:58,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:51:58,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:51:58,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:51:58,273 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:51:58,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:51:58,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:51:58,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:51:58,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:51:58,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:51:58,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:51:58,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:51:58,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:51:58,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:51:58,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:51:58,275 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:51:58,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:51:58,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:51:58,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:51:58,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:51:58,276 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_93c193e3-846f-40d2-b4cf-cf23a236d760/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2021-11-21 00:51:58,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:51:58,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:51:58,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:51:58,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:51:58,636 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:51:58,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2021-11-21 00:51:58,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/data/8f3058eee/5ddb89167d484fe1b7b12b88c655a061/FLAGff81e0160 [2021-11-21 00:51:59,295 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:51:59,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2021-11-21 00:51:59,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/data/8f3058eee/5ddb89167d484fe1b7b12b88c655a061/FLAGff81e0160 [2021-11-21 00:51:59,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/data/8f3058eee/5ddb89167d484fe1b7b12b88c655a061 [2021-11-21 00:51:59,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:51:59,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:51:59,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:51:59,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:51:59,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:51:59,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:51:59" (1/1) ... [2021-11-21 00:51:59,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212a7039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:51:59, skipping insertion in model container [2021-11-21 00:51:59,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:51:59" (1/1) ... [2021-11-21 00:51:59,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:51:59,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:51:59,993 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_93c193e3-846f-40d2-b4cf-cf23a236d760/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2021-11-21 00:52:00,082 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_93c193e3-846f-40d2-b4cf-cf23a236d760/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2021-11-21 00:52:00,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:52:00,109 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:52:00,155 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_93c193e3-846f-40d2-b4cf-cf23a236d760/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[33021,33034] [2021-11-21 00:52:00,252 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_93c193e3-846f-40d2-b4cf-cf23a236d760/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i[44590,44603] [2021-11-21 00:52:00,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:52:00,310 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:52:00,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00 WrapperNode [2021-11-21 00:52:00,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:52:00,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:52:00,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:52:00,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:52:00,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,409 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 00:52:00,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:52:00,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:52:00,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:52:00,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:52:00,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:52:00,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:52:00,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:52:00,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:52:00,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (1/1) ... [2021-11-21 00:52:00,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:52:00,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:00,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:52:00,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:52:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:52:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:52:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:52:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:52:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:52:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:52:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:52:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:52:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:52:00,815 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:52:00,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:52:01,763 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:52:02,196 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:52:02,196 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:52:02,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:52:02 BoogieIcfgContainer [2021-11-21 00:52:02,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:52:02,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:52:02,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:52:02,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:52:02,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:51:59" (1/3) ... [2021-11-21 00:52:02,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263cd95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:52:02, skipping insertion in model container [2021-11-21 00:52:02,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:52:00" (2/3) ... [2021-11-21 00:52:02,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263cd95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:52:02, skipping insertion in model container [2021-11-21 00:52:02,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:52:02" (3/3) ... [2021-11-21 00:52:02,212 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-1.i [2021-11-21 00:52:02,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:52:02,221 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 00:52:02,271 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:52:02,284 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 00:52:02,284 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 00:52:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:52:02,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:52:02,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:02,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:52:02,306 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:52:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash 26287934, now seen corresponding path program 1 times [2021-11-21 00:52:02,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:02,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563384659] [2021-11-21 00:52:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:02,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:02,451 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:52:02,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053395066] [2021-11-21 00:52:02,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:02,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:02,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:02,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:52:02,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:52:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:02,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:52:02,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:52:02,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:52:02,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 00:52:02,834 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 00:52:02,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:52:02,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:02,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563384659] [2021-11-21 00:52:02,835 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:52:02,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053395066] [2021-11-21 00:52:02,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053395066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:02,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:02,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:52:02,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24121783] [2021-11-21 00:52:02,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:02,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:52:02,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:02,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:52:02,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:52:02,881 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:52:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:52:04,808 INFO L93 Difference]: Finished difference Result 341 states and 581 transitions. [2021-11-21 00:52:04,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:52:04,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 00:52:04,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:52:04,826 INFO L225 Difference]: With dead ends: 341 [2021-11-21 00:52:04,826 INFO L226 Difference]: Without dead ends: 208 [2021-11-21 00:52:04,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:52:04,833 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:52:04,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:52:04,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-21 00:52:04,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 136. [2021-11-21 00:52:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:52:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-21 00:52:04,888 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-21 00:52:04,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:52:04,888 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-21 00:52:04,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:52:04,889 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-21 00:52:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:52:04,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:04,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:52:04,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:52:05,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:52:05,102 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:52:05,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:05,108 INFO L85 PathProgramCache]: Analyzing trace with hash 554609707, now seen corresponding path program 1 times [2021-11-21 00:52:05,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:05,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736923907] [2021-11-21 00:52:05,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:05,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:05,241 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 00:52:05,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:05,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736923907] [2021-11-21 00:52:05,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736923907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:05,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:05,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:52:05,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576510158] [2021-11-21 00:52:05,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:05,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:52:05,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:05,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:52:05,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:52:05,253 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 00:52:07,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:52:07,292 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-21 00:52:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:52:07,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-21 00:52:07,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:52:07,301 INFO L225 Difference]: With dead ends: 266 [2021-11-21 00:52:07,301 INFO L226 Difference]: Without dead ends: 195 [2021-11-21 00:52:07,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:52:07,303 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:52:07,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 00:52:07,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-21 00:52:07,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-21 00:52:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:52:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-21 00:52:07,333 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-21 00:52:07,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:52:07,334 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-21 00:52:07,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 00:52:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-21 00:52:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:52:07,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:07,336 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 00:52:07,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:52:07,336 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:52:07,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:07,337 INFO L85 PathProgramCache]: Analyzing trace with hash 488272890, now seen corresponding path program 1 times [2021-11-21 00:52:07,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:07,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840382334] [2021-11-21 00:52:07,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:07,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:07,379 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:52:07,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536939248] [2021-11-21 00:52:07,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:07,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:07,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:07,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:52:07,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:52:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:07,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:52:07,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:52:07,734 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 00:52:07,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:52:07,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:07,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840382334] [2021-11-21 00:52:07,735 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:52:07,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536939248] [2021-11-21 00:52:07,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536939248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:07,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:07,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:52:07,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84861999] [2021-11-21 00:52:07,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:07,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:52:07,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:07,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:52:07,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:52:07,738 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:52:10,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:52:10,001 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-21 00:52:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:52:10,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 00:52:10,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:52:10,017 INFO L225 Difference]: With dead ends: 332 [2021-11-21 00:52:10,017 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 00:52:10,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:52:10,019 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:52:10,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 00:52:10,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 00:52:10,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-21 00:52:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:52:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-21 00:52:10,036 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-21 00:52:10,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:52:10,037 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-21 00:52:10,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:52:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-21 00:52:10,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 00:52:10,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:10,039 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:52:10,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:52:10,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:10,252 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:52:10,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:10,253 INFO L85 PathProgramCache]: Analyzing trace with hash -601106124, now seen corresponding path program 1 times [2021-11-21 00:52:10,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:10,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288310629] [2021-11-21 00:52:10,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:10,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:10,272 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:52:10,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173918173] [2021-11-21 00:52:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:10,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:10,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:10,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:52:10,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:52:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:10,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:52:10,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:52:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:52:10,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:52:10,791 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:10,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288310629] [2021-11-21 00:52:10,792 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:52:10,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173918173] [2021-11-21 00:52:10,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173918173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:52:10,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:52:10,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:52:10,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351804017] [2021-11-21 00:52:10,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:52:10,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:52:10,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:52:10,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:52:10,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:52:10,795 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:52:13,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:52:13,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:52:13,302 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-21 00:52:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:52:13,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-21 00:52:13,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:52:13,311 INFO L225 Difference]: With dead ends: 346 [2021-11-21 00:52:13,311 INFO L226 Difference]: Without dead ends: 183 [2021-11-21 00:52:13,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:52:13,317 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:52:13,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 00:52:13,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-21 00:52:13,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-21 00:52:13,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 00:52:13,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-21 00:52:13,350 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-21 00:52:13,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:52:13,350 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-21 00:52:13,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:52:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-21 00:52:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:52:13,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:52:13,353 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 00:52:13,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:52:13,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:13,572 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:52:13,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:52:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1335578956, now seen corresponding path program 1 times [2021-11-21 00:52:13,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:52:13,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717430256] [2021-11-21 00:52:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:13,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:52:13,599 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:52:13,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387637813] [2021-11-21 00:52:13,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:52:13,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:52:13,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:52:13,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:52:13,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c193e3-846f-40d2-b4cf-cf23a236d760/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:52:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:52:14,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:52:14,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:52:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:52:14,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:52:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:52:14,496 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:52:14,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717430256] [2021-11-21 00:52:14,497 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:52:14,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387637813] [2021-11-21 00:52:14,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387637813] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:52:14,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [648808582] [2021-11-21 00:52:14,516 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:52:14,517 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:52:14,521 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:52:14,526 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:52:14,527 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:52:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,599 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 00:52:14,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:52:14,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,647 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:52:14,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:52:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 22 [2021-11-21 00:52:14,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:52:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,836 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:52:14,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:52:14,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:52:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,904 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:52:14,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:52:14,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:52:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,004 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:52:15,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:52:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:15,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 00:52:15,282 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 00:52:15,317 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 00:52:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 00:52:16,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 00:52:16,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,745 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 00:52:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,778 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 00:52:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,873 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 00:52:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:16,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 00:52:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,018 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 00:52:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,174 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:52:17,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:52:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:52:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,303 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:52:17,303 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 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:52:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,385 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 00:52:17,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:52:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:17,505 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 00:52:18,026 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 00:52:18,033 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 00:52:18,040 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 00:52:18,087 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:52:18,087 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 00:52:18,109 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:52:18,110 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 00:52:18,133 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:52:18,134 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 00:52:18,186 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 00:52:18,195 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 00:52:18,202 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 00:52:18,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:52:18,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,318 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 00:52:18,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,360 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 00:52:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,654 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 00:52:18,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:52:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:18,826 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 00:52:25,678 WARN L227 SmtUtils]: Spent 6.71s 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 00:52:25,678 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:52:25,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:52:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:37,360 WARN L227 SmtUtils]: Spent 11.63s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:52:37,361 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:52:37,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:52:49,438 WARN L227 SmtUtils]: Spent 11.95s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:52:49,440 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:52:49,441 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 2852 treesize of output 2682 [2021-11-21 00:52:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:51,478 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:52:51,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 00:52:51,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:51,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:52,397 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:52:52,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 00:52:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:55,172 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:52:55,172 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 36 treesize of output 20 [2021-11-21 00:52:55,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:56,190 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:52:56,190 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 53 treesize of output 63 [2021-11-21 00:52:57,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:58,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:59,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:59,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:00,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:01,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:01,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:01,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:02,606 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:02,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:04,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:05,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:05,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:05,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:06,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:06,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:08,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:08,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:10,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:10,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:10,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:10,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:10,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:10,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:10,945 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-21 00:53:10,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1319 treesize of output 865 [2021-11-21 00:53:12,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:12,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:19,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:20,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:21,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:21,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:22,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:22,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:23,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:23,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:23,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:23,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:27,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:27,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:27,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:28,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:29,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:30,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:30,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:30,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:31,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:31,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:53:41,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:41,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:41,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:41,546 INFO L244 Elim1Store]: Index analysis took 512 ms [2021-11-21 00:53:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:41,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:41,795 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-21 00:53:41,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4848 treesize of output 3280 [2021-11-21 00:53:42,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:42,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:42,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:43,223 INFO L244 Elim1Store]: Index analysis took 421 ms [2021-11-21 00:53:43,735 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-21 00:53:43,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 4904 treesize of output 3326 [2021-11-21 00:53:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:45,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:45,934 INFO L244 Elim1Store]: Index analysis took 547 ms [2021-11-21 00:53:46,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:52,036 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 112 DAG size of output: 81 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:53:52,037 INFO L354 Elim1Store]: treesize reduction 6592, result has 45.3 percent of original size [2021-11-21 00:53:52,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 4848 treesize of output 8650 [2021-11-21 00:53:54,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:54,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:54,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:53:54,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:55,237 INFO L244 Elim1Store]: Index analysis took 707 ms [2021-11-21 00:53:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:55,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:55,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:56,277 INFO L354 Elim1Store]: treesize reduction 460, result has 0.2 percent of original size [2021-11-21 00:53:56,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 5685 treesize of output 3935 [2021-11-21 00:54:00,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:01,616 INFO L244 Elim1Store]: Index analysis took 1220 ms [2021-11-21 00:54:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,187 WARN L227 SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 152 DAG size of output: 97 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:54:15,188 INFO L354 Elim1Store]: treesize reduction 8966, result has 44.9 percent of original size [2021-11-21 00:54:15,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 4869 treesize of output 10502 [2021-11-21 00:54:19,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,430 INFO L244 Elim1Store]: Index analysis took 792 ms [2021-11-21 00:54:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:25,086 INFO L354 Elim1Store]: treesize reduction 6628, result has 45.3 percent of original size [2021-11-21 00:54:25,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5363 treesize of output 9105 [2021-11-21 00:54:34,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,977 INFO L244 Elim1Store]: Index analysis took 373 ms [2021-11-21 00:54:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,110 INFO L354 Elim1Store]: treesize reduction 7616, result has 37.8 percent of original size [2021-11-21 00:54:38,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 5083 treesize of output 7963 [2021-11-21 00:55:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:08,155 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 36 treesize of output 20 [2021-11-21 00:55:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:10,119 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 00:55:10,121 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 38 treesize of output 32 [2021-11-21 00:55:11,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:11,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:11,575 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 44 treesize of output 28 [2021-11-21 00:55:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:25,435 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 00:55:25,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76011 treesize of output 76025 [2021-11-21 00:57:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:57:56,348 INFO L190 IndexEqualityManager]: detected not equals via solver