./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V --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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:55:03,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:55:03,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:55:03,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:55:03,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:55:03,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:55:03,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:55:03,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:55:03,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:55:03,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:55:03,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:55:03,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:55:03,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:55:03,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:55:03,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:55:03,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:55:03,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:55:03,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:55:03,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:55:03,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:55:03,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:55:03,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:55:03,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:55:03,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:55:03,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:55:03,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:55:03,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:55:03,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:55:03,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:55:03,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:55:03,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:55:03,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:55:03,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:55:03,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:55:03,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:55:03,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:55:03,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:55:03,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:55:03,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:55:03,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:55:03,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:55:03,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 03:55:03,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:55:03,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:55:03,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:55:03,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:55:03,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:55:03,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:55:03,480 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:55:03,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:55:03,480 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:55:03,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:55:03,480 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:55:03,481 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:55:03,481 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:55:03,481 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:55:03,481 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:55:03,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:55:03,482 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:55:03,482 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:55:03,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:55:03,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:55:03,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:55:03,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:55:03,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:55:03,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:55:03,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:55:03,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:55:03,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:55:03,484 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 03:55:03,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:55:03,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:55:03,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:55:03,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:55:03,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:55:03,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:55:03,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:55:03,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:55:03,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:55:03,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:55:03,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:55:03,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:55:03,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:55:03,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:55:03,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:55:03,487 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_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2021-11-23 03:55:03,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:55:03,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:55:03,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:55:03,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:55:03,789 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:55:03,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-23 03:55:03,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/data/1b019c96e/b0ebed6d898d44a79ee7245fe7bc56fb/FLAGe0daa4a04 [2021-11-23 03:55:04,441 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:55:04,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-23 03:55:04,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/data/1b019c96e/b0ebed6d898d44a79ee7245fe7bc56fb/FLAGe0daa4a04 [2021-11-23 03:55:04,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/data/1b019c96e/b0ebed6d898d44a79ee7245fe7bc56fb [2021-11-23 03:55:04,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:55:04,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:55:04,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:55:04,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:55:04,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:55:04,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:04" (1/1) ... [2021-11-23 03:55:04,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f58918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:04, skipping insertion in model container [2021-11-23 03:55:04,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:04" (1/1) ... [2021-11-23 03:55:04,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:55:04,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:55:05,199 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_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-23 03:55:05,337 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_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-23 03:55:05,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:55:05,353 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:55:05,392 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_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-23 03:55:05,479 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_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-23 03:55:05,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:55:05,529 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:55:05,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05 WrapperNode [2021-11-23 03:55:05,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:55:05,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:55:05,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:55:05,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:55:05,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,640 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-23 03:55:05,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:55:05,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:55:05,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:55:05,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:55:05,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:55:05,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:55:05,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:55:05,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:55:05,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 03:55:05,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:55:05,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:55:05,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:55:05,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:55:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:55:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:55:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:55:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:55:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:55:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:55:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-23 03:55:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-23 03:55:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:55:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:55:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:55:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:55:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:55:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:55:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:55:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:55:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:55:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:55:06,179 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:55:06,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:55:07,332 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:55:07,735 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:55:07,736 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-23 03:55:07,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:07 BoogieIcfgContainer [2021-11-23 03:55:07,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:55:07,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:55:07,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:55:07,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:55:07,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:55:04" (1/3) ... [2021-11-23 03:55:07,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687c1381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:07, skipping insertion in model container [2021-11-23 03:55:07,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (2/3) ... [2021-11-23 03:55:07,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687c1381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:07, skipping insertion in model container [2021-11-23 03:55:07,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:07" (3/3) ... [2021-11-23 03:55:07,754 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-1.i [2021-11-23 03:55:07,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:55:07,760 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 03:55:07,803 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:55:07,810 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 [2021-11-23 03:55:07,810 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 03:55:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 03:55:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 03:55:07,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:07,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 03:55:07,835 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:55:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:07,841 INFO L85 PathProgramCache]: Analyzing trace with hash 28647256, now seen corresponding path program 1 times [2021-11-23 03:55:07,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:07,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475038527] [2021-11-23 03:55:07,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:07,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:07,954 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:55:07,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619037450] [2021-11-23 03:55:07,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:07,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:07,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:55:07,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:55:07,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:55:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:08,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 03:55:08,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:08,244 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 [2021-11-23 03:55:08,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 03:55:08,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-23 03:55:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:08,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:55:08,339 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:08,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475038527] [2021-11-23 03:55:08,340 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:55:08,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619037450] [2021-11-23 03:55:08,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619037450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:08,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:08,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:55:08,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713712051] [2021-11-23 03:55:08,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:08,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:55:08,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:08,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:55:08,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:55:08,387 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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) [2021-11-23 03:55:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:09,648 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2021-11-23 03:55:09,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:55:09,651 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 [2021-11-23 03:55:09,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:09,671 INFO L225 Difference]: With dead ends: 368 [2021-11-23 03:55:09,672 INFO L226 Difference]: Without dead ends: 208 [2021-11-23 03:55:09,677 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 [2021-11-23 03:55:09,682 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:09,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 503 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:55:09,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-23 03:55:09,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2021-11-23 03:55:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 03:55:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-23 03:55:09,737 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-23 03:55:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:09,738 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-23 03:55:09,738 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) [2021-11-23 03:55:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-23 03:55:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 03:55:09,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:09,741 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] [2021-11-23 03:55:09,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:55:09,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 03:55:09,951 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:55:09,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:09,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1765360856, now seen corresponding path program 1 times [2021-11-23 03:55:09,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:09,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462580127] [2021-11-23 03:55:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:09,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:10,070 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:10,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462580127] [2021-11-23 03:55:10,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462580127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:10,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:10,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:55:10,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113419107] [2021-11-23 03:55:10,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:10,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:55:10,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:10,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:55:10,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:55:10,079 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:55:13,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:55:13,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:13,352 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-23 03:55:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:55:13,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-23 03:55:13,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:13,355 INFO L225 Difference]: With dead ends: 297 [2021-11-23 03:55:13,356 INFO L226 Difference]: Without dead ends: 204 [2021-11-23 03:55:13,357 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 [2021-11-23 03:55:13,358 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:13,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 508 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 03:55:13,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-23 03:55:13,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-23 03:55:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 03:55:13,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-23 03:55:13,379 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-23 03:55:13,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:13,380 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-23 03:55:13,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:55:13,380 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-23 03:55:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:55:13,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:13,382 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, 1, 1] [2021-11-23 03:55:13,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:55:13,382 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:55:13,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:13,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1462000852, now seen corresponding path program 1 times [2021-11-23 03:55:13,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:13,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478368551] [2021-11-23 03:55:13,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:13,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:13,405 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:55:13,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400320280] [2021-11-23 03:55:13,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:13,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:13,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:55:13,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:55:13,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:55:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:13,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:55:13,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:13,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:55:13,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:13,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478368551] [2021-11-23 03:55:13,697 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:55:13,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400320280] [2021-11-23 03:55:13,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400320280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:13,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:13,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:55:13,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024830555] [2021-11-23 03:55:13,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:13,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:55:13,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:13,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:55:13,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:55:13,700 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:55:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:15,441 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-23 03:55:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:55:15,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-23 03:55:15,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:15,451 INFO L225 Difference]: With dead ends: 247 [2021-11-23 03:55:15,451 INFO L226 Difference]: Without dead ends: 246 [2021-11-23 03:55:15,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:55:15,453 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:15,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 03:55:15,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-23 03:55:15,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-23 03:55:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-23 03:55:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-23 03:55:15,477 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-23 03:55:15,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:15,477 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-23 03:55:15,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:55:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-23 03:55:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 03:55:15,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:15,479 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, 1, 1, 1] [2021-11-23 03:55:15,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:55:15,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:15,691 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:55:15,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:15,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1922613802, now seen corresponding path program 1 times [2021-11-23 03:55:15,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:15,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140850687] [2021-11-23 03:55:15,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:15,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:15,712 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:55:15,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400872575] [2021-11-23 03:55:15,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:15,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:15,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:55:15,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:55:15,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:55:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:15,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:55:15,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:16,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:55:16,026 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:16,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140850687] [2021-11-23 03:55:16,026 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:55:16,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400872575] [2021-11-23 03:55:16,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400872575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:16,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:16,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:55:16,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180571425] [2021-11-23 03:55:16,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:16,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:55:16,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:16,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:55:16,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:55:16,034 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:55:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:16,997 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-23 03:55:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:55:17,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-23 03:55:17,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:17,011 INFO L225 Difference]: With dead ends: 213 [2021-11-23 03:55:17,011 INFO L226 Difference]: Without dead ends: 212 [2021-11-23 03:55:17,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:55:17,013 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:17,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 03:55:17,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-23 03:55:17,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-23 03:55:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-23 03:55:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-23 03:55:17,033 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-23 03:55:17,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:17,033 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-23 03:55:17,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:55:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-23 03:55:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 03:55:17,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:17,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:17,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:55:17,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:17,262 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:55:17,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1907968587, now seen corresponding path program 1 times [2021-11-23 03:55:17,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:17,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579693141] [2021-11-23 03:55:17,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:17,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:17,299 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:55:17,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574980988] [2021-11-23 03:55:17,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:17,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:17,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:55:17,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:55:17,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:55:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:17,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:55:17,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:17,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:55:17,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:17,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579693141] [2021-11-23 03:55:17,668 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:55:17,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574980988] [2021-11-23 03:55:17,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574980988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:17,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:17,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:55:17,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955793017] [2021-11-23 03:55:17,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:17,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:55:17,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:17,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:55:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:55:17,671 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:55:18,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:18,582 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-23 03:55:18,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:55:18,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2021-11-23 03:55:18,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:18,585 INFO L225 Difference]: With dead ends: 432 [2021-11-23 03:55:18,585 INFO L226 Difference]: Without dead ends: 247 [2021-11-23 03:55:18,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:55:18,588 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:18,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 03:55:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-23 03:55:18,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-23 03:55:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-23 03:55:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-23 03:55:18,609 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-23 03:55:18,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:18,609 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-23 03:55:18,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:55:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-23 03:55:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:55:18,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:18,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:18,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:55:18,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:18,826 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:55:18,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:18,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1515966491, now seen corresponding path program 1 times [2021-11-23 03:55:18,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:18,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285263727] [2021-11-23 03:55:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:18,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:18,846 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:55:18,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1824623245] [2021-11-23 03:55:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:18,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:18,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:55:18,848 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:55:18,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:55:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:19,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:55:19,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:55:19,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:55:19,572 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:19,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285263727] [2021-11-23 03:55:19,572 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:55:19,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824623245] [2021-11-23 03:55:19,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824623245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:19,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:19,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:55:19,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481334549] [2021-11-23 03:55:19,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:19,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:55:19,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:19,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:55:19,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:55:19,575 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:55:20,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:20,778 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-23 03:55:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:55:20,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-11-23 03:55:20,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:20,786 INFO L225 Difference]: With dead ends: 471 [2021-11-23 03:55:20,786 INFO L226 Difference]: Without dead ends: 248 [2021-11-23 03:55:20,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:55:20,788 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:20,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:55:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-23 03:55:20,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-23 03:55:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-23 03:55:20,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-23 03:55:20,820 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-23 03:55:20,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:20,822 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-23 03:55:20,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:55:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-23 03:55:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 03:55:20,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:20,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:20,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:55:21,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:21,054 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 03:55:21,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:21,055 INFO L85 PathProgramCache]: Analyzing trace with hash -581800247, now seen corresponding path program 1 times [2021-11-23 03:55:21,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:21,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503056204] [2021-11-23 03:55:21,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:21,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:21,071 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:55:21,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739131868] [2021-11-23 03:55:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:21,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:55:21,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:55:21,073 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:55:21,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f87f7-61f4-4181-ae27-ec8a38a7c84b/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:55:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:21,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:55:21,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:55:21,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:55:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:55:22,119 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:22,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503056204] [2021-11-23 03:55:22,119 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:55:22,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739131868] [2021-11-23 03:55:22,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739131868] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:55:22,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1655354822] [2021-11-23 03:55:22,141 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-23 03:55:22,141 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:55:22,146 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:55:22,151 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:55:22,151 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:55:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,239 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 03:55:22,239 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 [2021-11-23 03:55:22,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:55:22,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:55:22,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 03:55:22,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:55:22,306 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 [2021-11-23 03:55:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,340 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:55:22,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-23 03:55:22,352 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 [2021-11-23 03:55:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,377 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:55:22,378 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 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 03:55:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,426 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:55:22,427 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 [2021-11-23 03:55:22,479 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 19 treesize of output 1 [2021-11-23 03:55:22,486 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 19 treesize of output 1 [2021-11-23 03:55:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 03:55:22,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:55:22,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:55:22,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 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 [2021-11-23 03:55:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-23 03:55:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 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 [2021-11-23 03:55:22,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:55:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:22,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:55:23,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 03:55:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 03:55:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,109 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 03:55:23,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 03:55:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,181 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 03:55:23,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 03:55:23,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:55:23,324 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 [2021-11-23 03:55:23,328 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 [2021-11-23 03:55:23,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 03:55:23,374 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:55:23,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 03:55:23,401 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:55:23,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 03:55:23,429 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:55:23,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 03:55:23,466 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 [2021-11-23 03:55:23,471 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 [2021-11-23 03:55:23,476 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 [2021-11-23 03:55:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:55:23,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:55:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:55:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 03:55:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:55:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:23,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:55:28,963 WARN L227 SmtUtils]: Spent 5.13s 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) [2021-11-23 03:55:28,964 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:55:28,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 03:55:29,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:37,934 WARN L227 SmtUtils]: Spent 8.91s 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) [2021-11-23 03:55:37,935 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:55:37,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 03:55:46,472 WARN L227 SmtUtils]: Spent 8.42s 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) [2021-11-23 03:55:46,473 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 03:55:46,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 03:55:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:47,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:48,436 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 03:55:48,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-23 03:55:48,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:48,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:49,265 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 03:55:49,266 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 9 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-23 03:55:49,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:50,103 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 03:55:50,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 03:55:50,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:50,418 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:55:50,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-23 03:55:50,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:50,693 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 03:55:50,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 03:55:50,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:50,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 03:55:50,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:50,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-23 03:55:50,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:51,224 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:55:51,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 03:55:51,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:51,361 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 03:55:51,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-23 03:55:51,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:51,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-23 03:55:51,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:51,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:52,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:52,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:52,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3171 treesize of output 2795 [2021-11-23 03:55:52,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:52,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:52,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:52,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:52,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:52,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3071 treesize of output 2701 [2021-11-23 03:55:53,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:53,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,185 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:55:53,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3192 treesize of output 2798 [2021-11-23 03:55:53,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:53,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:53,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,519 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 03:55:53,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3092 treesize of output 2704 [2021-11-23 03:55:53,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:53,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3171 treesize of output 2795 [2021-11-23 03:55:53,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:53,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3071 treesize of output 2701 [2021-11-23 03:55:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:54,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,622 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:55:54,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3148 treesize of output 2704 [2021-11-23 03:55:54,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:54,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:55:54,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:54,899 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 03:55:54,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3248 treesize of output 2798 [2021-11-23 03:55:54,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:55:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:55,318 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-23 03:55:56,725 INFO L354 Elim1Store]: treesize reduction 819, result has 55.5 percent of original size [2021-11-23 03:55:56,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3169 treesize of output 3728 [2021-11-23 03:55:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:55:57,218 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-23 03:55:58,871 INFO L354 Elim1Store]: treesize reduction 843, result has 55.0 percent of original size [2021-11-23 03:55:58,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3269 treesize of output 3830 [2021-11-23 03:56:00,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:56:00,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:56:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:02,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:02,132 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-23 03:56:02,700 INFO L354 Elim1Store]: treesize reduction 430, result has 63.0 percent of original size [2021-11-23 03:56:02,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3148 treesize of output 3434 [2021-11-23 03:56:02,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:56:02,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:56:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:03,561 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-23 03:56:03,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3248 treesize of output 3534 [2021-11-23 03:56:03,677 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:56:05,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:05,972 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-11-23 03:56:06,226 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-23 03:56:06,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-23 03:56:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:56:07,720 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-23 03:56:12,432 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 03:56:12,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 80792 treesize of output 81462 [2021-11-23 04:03:22,794 WARN L227 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 2817 DAG size of output: 2817 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)