./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7 --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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:56:45,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:56:45,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:56:45,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:56:45,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:56:45,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:56:45,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:56:45,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:56:45,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:56:45,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:56:45,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:56:45,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:56:45,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:56:45,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:56:45,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:56:45,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:56:45,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:56:45,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:56:45,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:56:45,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:56:45,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:56:45,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:56:45,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:56:45,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:56:45,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:56:45,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:56:45,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:56:45,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:56:45,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:56:45,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:56:45,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:56:45,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:56:45,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:56:45,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:56:45,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:56:45,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:56:45,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:56:45,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:56:45,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:56:45,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:56:45,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:56:45,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 17:56:45,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:56:45,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:56:45,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:56:45,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:56:45,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:56:45,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:56:45,557 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:56:45,557 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:56:45,557 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:56:45,558 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:56:45,558 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:56:45,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:56:45,558 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:56:45,559 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:56:45,559 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:56:45,559 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:56:45,560 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:56:45,560 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:56:45,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:56:45,561 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:56:45,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:56:45,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:56:45,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:56:45,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:56:45,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:56:45,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:56:45,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:56:45,563 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 17:56:45,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:56:45,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:56:45,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:56:45,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:56:45,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:56:45,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:56:45,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:56:45,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:56:45,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:56:45,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:56:45,567 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:56:45,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:56:45,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:56:45,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:56:45,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:56:45,568 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_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2021-11-25 17:56:45,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:56:45,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:56:45,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:56:45,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:56:45,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:56:45,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2021-11-25 17:56:46,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/data/7efffea52/f169c1e097624966a387c4e28b2ac67c/FLAGaca22a900 [2021-11-25 17:56:46,736 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:56:46,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2021-11-25 17:56:46,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/data/7efffea52/f169c1e097624966a387c4e28b2ac67c/FLAGaca22a900 [2021-11-25 17:56:46,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/data/7efffea52/f169c1e097624966a387c4e28b2ac67c [2021-11-25 17:56:46,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:56:46,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:56:46,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:56:46,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:56:46,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:56:46,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:46" (1/1) ... [2021-11-25 17:56:46,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91f3d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:46, skipping insertion in model container [2021-11-25 17:56:46,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:56:46" (1/1) ... [2021-11-25 17:56:46,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:56:46,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:56:47,449 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_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2021-11-25 17:56:47,571 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_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2021-11-25 17:56:47,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:56:47,590 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:56:47,625 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_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2021-11-25 17:56:47,711 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_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2021-11-25 17:56:47,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:56:47,807 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:56:47,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47 WrapperNode [2021-11-25 17:56:47,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:56:47,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:56:47,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:56:47,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:56:47,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:47,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,016 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-25 17:56:48,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:56:48,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:56:48,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:56:48,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:56:48,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:56:48,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:56:48,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:56:48,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:56:48,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (1/1) ... [2021-11-25 17:56:48,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:56:48,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:56:48,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:56:48,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:56:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:56:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 17:56:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 17:56:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:56:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:56:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:56:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 17:56:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 17:56:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:56:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:56:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:56:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:56:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 17:56:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:56:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:56:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:56:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:56:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:56:48,649 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:56:48,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:56:49,914 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:56:50,543 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:56:50,545 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-25 17:56:50,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:56:50 BoogieIcfgContainer [2021-11-25 17:56:50,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:56:50,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:56:50,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:56:50,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:56:50,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:56:46" (1/3) ... [2021-11-25 17:56:50,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5a98be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:56:50, skipping insertion in model container [2021-11-25 17:56:50,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:56:47" (2/3) ... [2021-11-25 17:56:50,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5a98be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:56:50, skipping insertion in model container [2021-11-25 17:56:50,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:56:50" (3/3) ... [2021-11-25 17:56:50,568 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-1.i [2021-11-25 17:56:50,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:56:50,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 17:56:50,634 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:56:50,643 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 [2021-11-25 17:56:50,644 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 17:56:50,671 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) [2021-11-25 17:56:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 17:56:50,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:50,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 17:56:50,676 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)] === [2021-11-25 17:56:50,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:50,683 INFO L85 PathProgramCache]: Analyzing trace with hash 28647256, now seen corresponding path program 1 times [2021-11-25 17:56:50,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:50,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221302673] [2021-11-25 17:56:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:50,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:50,878 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:56:50,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1281028679] [2021-11-25 17:56:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:50,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:56:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:56:50,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:56:50,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 17:56:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:51,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 17:56:51,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:56:51,256 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 [2021-11-25 17:56:51,275 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 [2021-11-25 17:56:51,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:56:51,362 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 15 treesize of output 7 [2021-11-25 17:56:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:56:51,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:56:51,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:51,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221302673] [2021-11-25 17:56:51,379 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:56:51,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281028679] [2021-11-25 17:56:51,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281028679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:51,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:51,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:56:51,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775602935] [2021-11-25 17:56:51,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:51,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:51,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:51,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:51,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:51,434 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) [2021-11-25 17:56:53,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:53,155 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2021-11-25 17:56:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:53,161 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 [2021-11-25 17:56:53,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:53,175 INFO L225 Difference]: With dead ends: 368 [2021-11-25 17:56:53,175 INFO L226 Difference]: Without dead ends: 208 [2021-11-25 17:56:53,180 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 [2021-11-25 17:56:53,185 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:53,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 503 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 17:56:53,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-25 17:56:53,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2021-11-25 17:56:53,249 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) [2021-11-25 17:56:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-25 17:56:53,255 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-25 17:56:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:53,255 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-25 17:56:53,256 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) [2021-11-25 17:56:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-25 17:56:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 17:56:53,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:53,259 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] [2021-11-25 17:56:53,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 17:56:53,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:56:53,487 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)] === [2021-11-25 17:56:53,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:53,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1765360856, now seen corresponding path program 1 times [2021-11-25 17:56:53,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:53,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237656721] [2021-11-25 17:56:53,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:53,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:56:53,699 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:53,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237656721] [2021-11-25 17:56:53,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237656721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:53,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:53,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:56:53,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740345748] [2021-11-25 17:56:53,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:53,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:53,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:53,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:53,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:53,711 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) [2021-11-25 17:56:55,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:57,114 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-25 17:56:57,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:56:57,117 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 [2021-11-25 17:56:57,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:57,120 INFO L225 Difference]: With dead ends: 297 [2021-11-25 17:56:57,121 INFO L226 Difference]: Without dead ends: 204 [2021-11-25 17:56:57,122 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 [2021-11-25 17:56:57,135 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:57,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 508 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 17:56:57,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-25 17:56:57,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-25 17:56:57,159 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) [2021-11-25 17:56:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-25 17:56:57,168 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-25 17:56:57,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:57,169 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-25 17:56:57,169 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) [2021-11-25 17:56:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-25 17:56:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 17:56:57,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:57,172 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] [2021-11-25 17:56:57,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:56:57,173 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)] === [2021-11-25 17:56:57,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1462000852, now seen corresponding path program 1 times [2021-11-25 17:56:57,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:57,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631530165] [2021-11-25 17:56:57,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:57,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:57,361 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:56:57,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435696985] [2021-11-25 17:56:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:57,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:56:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:56:57,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:56:57,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 17:56:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:58,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:56:58,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:56:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:56:58,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:56:58,360 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:58,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631530165] [2021-11-25 17:56:58,361 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:56:58,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435696985] [2021-11-25 17:56:58,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435696985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:58,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:58,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:56:58,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139877405] [2021-11-25 17:56:58,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:58,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:56:58,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:58,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:56:58,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:56:58,367 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) [2021-11-25 17:56:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:59,765 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-25 17:56:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:56:59,771 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 [2021-11-25 17:56:59,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:59,774 INFO L225 Difference]: With dead ends: 247 [2021-11-25 17:56:59,774 INFO L226 Difference]: Without dead ends: 246 [2021-11-25 17:56:59,775 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 [2021-11-25 17:56:59,776 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:59,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 17:56:59,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-25 17:56:59,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-25 17:56:59,802 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) [2021-11-25 17:56:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-25 17:56:59,806 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-25 17:56:59,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:59,807 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-25 17:56:59,807 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) [2021-11-25 17:56:59,808 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-25 17:56:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 17:56:59,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:59,810 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] [2021-11-25 17:56:59,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 17:57:00,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:00,023 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)] === [2021-11-25 17:57:00,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1922613802, now seen corresponding path program 1 times [2021-11-25 17:57:00,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:00,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079825373] [2021-11-25 17:57:00,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:00,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:00,185 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:57:00,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385344093] [2021-11-25 17:57:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:00,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:00,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:57:00,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:57:00,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 17:57:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:01,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:57:01,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:57:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:57:01,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:57:01,201 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:01,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079825373] [2021-11-25 17:57:01,202 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:57:01,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385344093] [2021-11-25 17:57:01,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385344093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:01,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:01,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:57:01,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765244546] [2021-11-25 17:57:01,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:01,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:57:01,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:01,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:57:01,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:57:01,205 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) [2021-11-25 17:57:02,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:02,399 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-25 17:57:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:57:02,408 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 [2021-11-25 17:57:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:02,413 INFO L225 Difference]: With dead ends: 213 [2021-11-25 17:57:02,413 INFO L226 Difference]: Without dead ends: 212 [2021-11-25 17:57:02,414 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 [2021-11-25 17:57:02,415 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:02,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 17:57:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-25 17:57:02,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-25 17:57:02,437 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) [2021-11-25 17:57:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-25 17:57:02,441 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-25 17:57:02,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:02,442 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-25 17:57:02,442 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) [2021-11-25 17:57:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-25 17:57:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 17:57:02,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:02,445 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] [2021-11-25 17:57:02,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 17:57:02,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:02,659 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)] === [2021-11-25 17:57:02,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:02,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1907968587, now seen corresponding path program 1 times [2021-11-25 17:57:02,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:02,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001043237] [2021-11-25 17:57:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:02,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:02,831 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:57:02,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094000] [2021-11-25 17:57:02,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:02,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:02,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:57:02,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:57:02,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 17:57:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:03,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:57:03,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:57:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:57:03,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:57:03,928 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:03,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001043237] [2021-11-25 17:57:03,928 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:57:03,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094000] [2021-11-25 17:57:03,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:03,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:03,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:57:03,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197974667] [2021-11-25 17:57:03,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:03,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:57:03,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:03,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:57:03,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:57:03,932 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) [2021-11-25 17:57:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:05,260 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-25 17:57:05,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:57:05,261 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 [2021-11-25 17:57:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:05,263 INFO L225 Difference]: With dead ends: 432 [2021-11-25 17:57:05,263 INFO L226 Difference]: Without dead ends: 247 [2021-11-25 17:57:05,266 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 [2021-11-25 17:57:05,267 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:05,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 17:57:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-25 17:57:05,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-25 17:57:05,290 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) [2021-11-25 17:57:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-25 17:57:05,293 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-25 17:57:05,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:05,294 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-25 17:57:05,294 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) [2021-11-25 17:57:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-25 17:57:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 17:57:05,297 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:05,297 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] [2021-11-25 17:57:05,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 17:57:05,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:05,507 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)] === [2021-11-25 17:57:05,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:05,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1515966491, now seen corresponding path program 1 times [2021-11-25 17:57:05,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:05,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647892617] [2021-11-25 17:57:05,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:05,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:05,566 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:57:05,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235963770] [2021-11-25 17:57:05,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:05,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:05,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:57:05,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:57:05,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 17:57:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:06,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 17:57:06,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:57:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 17:57:06,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:57:06,778 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:06,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647892617] [2021-11-25 17:57:06,779 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:57:06,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235963770] [2021-11-25 17:57:06,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235963770] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:06,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:06,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:57:06,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039450617] [2021-11-25 17:57:06,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:06,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:57:06,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:06,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:57:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:57:06,782 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) [2021-11-25 17:57:08,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:08,168 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-25 17:57:08,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:57:08,183 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 [2021-11-25 17:57:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:08,186 INFO L225 Difference]: With dead ends: 471 [2021-11-25 17:57:08,186 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 17:57:08,187 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 [2021-11-25 17:57:08,189 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:08,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 17:57:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 17:57:08,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-25 17:57:08,211 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) [2021-11-25 17:57:08,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-25 17:57:08,215 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-25 17:57:08,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:08,215 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-25 17:57:08,216 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) [2021-11-25 17:57:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-25 17:57:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 17:57:08,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:08,219 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] [2021-11-25 17:57:08,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 17:57:08,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 17:57:08,435 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)] === [2021-11-25 17:57:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:08,435 INFO L85 PathProgramCache]: Analyzing trace with hash -581800247, now seen corresponding path program 1 times [2021-11-25 17:57:08,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:08,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051789903] [2021-11-25 17:57:08,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:08,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:08,518 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:57:08,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628244521] [2021-11-25 17:57:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:08,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:57:08,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:57:08,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:57:08,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314e6b4d-ca8c-478d-b27e-fbf3690b7d90/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 17:57:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:10,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 17:57:10,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:57:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 17:57:10,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 17:57:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 17:57:10,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:10,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051789903] [2021-11-25 17:57:10,582 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:57:10,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628244521] [2021-11-25 17:57:10,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628244521] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 17:57:10,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1073413409] [2021-11-25 17:57:10,619 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-25 17:57:10,619 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 17:57:10,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 17:57:10,632 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 17:57:10,633 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 17:57:10,762 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 [2021-11-25 17:57:10,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:10,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 17:57:10,786 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 [2021-11-25 17:57:10,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:10,813 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 17:57:10,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 17:57:10,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:10,853 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 17:57:10,853 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 [2021-11-25 17:57:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:10,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:10,950 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 17:57:10,951 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 [2021-11-25 17:57:10,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:57:10,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:10,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 17:57:11,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 17:57:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 17:57:11,106 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 [2021-11-25 17:57:11,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,127 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 [2021-11-25 17:57:11,142 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 [2021-11-25 17:57:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,591 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 [2021-11-25 17:57:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,614 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 [2021-11-25 17:57:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,655 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 62 treesize of output 62 [2021-11-25 17:57:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,687 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 [2021-11-25 17:57:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,752 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 [2021-11-25 17:57:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,800 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 [2021-11-25 17:57:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,838 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 [2021-11-25 17:57:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,868 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 [2021-11-25 17:57:11,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,931 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 [2021-11-25 17:57:11,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:11,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 17:57:11,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,075 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 17:57:12,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 17:57:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 17:57:12,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,158 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 [2021-11-25 17:57:12,297 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 [2021-11-25 17:57:12,301 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 [2021-11-25 17:57:12,307 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 [2021-11-25 17:57:12,368 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 17:57:12,369 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 57 treesize of output 60 [2021-11-25 17:57:12,433 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 17:57:12,434 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 51 treesize of output 54 [2021-11-25 17:57:12,482 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 17:57:12,483 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 47 treesize of output 50 [2021-11-25 17:57:12,556 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 [2021-11-25 17:57:12,562 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 [2021-11-25 17:57:12,569 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 [2021-11-25 17:57:12,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,679 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 [2021-11-25 17:57:12,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,705 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 108 treesize of output 42 [2021-11-25 17:57:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2021-11-25 17:57:12,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,948 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 [2021-11-25 17:57:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,977 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 108 treesize of output 42 [2021-11-25 17:57:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:13,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:13,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 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 [2021-11-25 17:57:22,098 WARN L227 SmtUtils]: Spent 8.93s 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) [2021-11-25 17:57:22,099 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 17:57:22,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 17:57:22,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:32,219 WARN L227 SmtUtils]: Spent 9.98s 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) [2021-11-25 17:57:32,220 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 17:57:32,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 17:57:32,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:33,145 INFO L244 Elim1Store]: Index analysis took 651 ms [2021-11-25 17:57:45,840 WARN L227 SmtUtils]: Spent 12.35s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:57:45,841 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 17:57:45,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 17:57:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,610 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-11-25 17:57:46,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 17:57:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:46,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:47,066 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-11-25 17:57:47,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 17:57:47,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:47,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:47,863 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 17:57:47,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 17:57:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:48,426 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:57:48,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 17:57:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:48,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 17:57:48,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:48,755 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 17:57:48,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 17:57:48,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:48,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 17:57:48,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:49,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:49,152 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:57:49,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 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 [2021-11-25 17:57:49,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:49,324 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 17:57:49,325 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 32 treesize of output 16 [2021-11-25 17:57:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:49,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 17:57:49,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:49,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:50,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:50,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:50,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:50,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:50,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:50,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:51,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:51,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:51,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:51,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:51,669 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-25 17:57:51,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:57:51,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3118 treesize of output 2892 [2021-11-25 17:57:51,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:51,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:52,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:52,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:52,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:52,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:52,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:52,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:52,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:52,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:52,461 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-11-25 17:57:52,600 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:57:52,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1259 treesize of output 1027 [2021-11-25 17:57:52,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:52,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:53,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:53,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:53,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:53,088 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 17:57:53,107 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 17:57:53,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3106 treesize of output 2668 [2021-11-25 17:57:53,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:53,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:53,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:53,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:53,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:53,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:53,986 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,058 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:54,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:55,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:55,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:55,487 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-25 17:57:55,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3130 treesize of output 2674 [2021-11-25 17:57:55,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:55,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:56,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,248 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-25 17:57:56,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1271 treesize of output 809 [2021-11-25 17:57:56,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:56,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:56,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:56,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:56,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:56,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:56,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:56,992 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-11-25 17:57:56,994 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 3118 treesize of output 2668 [2021-11-25 17:57:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:57,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:57,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:57,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:57,562 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-11-25 17:57:57,792 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 17:57:57,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3130 treesize of output 2736 [2021-11-25 17:57:57,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:57,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:57,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:58,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:58,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:58,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:58,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:58,493 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 17:57:58,624 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 17:57:58,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1271 treesize of output 855 [2021-11-25 17:57:58,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:58,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:57:59,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,368 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-11-25 17:57:59,422 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 17:57:59,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3118 treesize of output 1 [2021-11-25 17:57:59,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:57:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:57:59,901 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-25 17:57:59,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3130 treesize of output 2674 [2021-11-25 17:58:00,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:00,056 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:00,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:00,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:00,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:00,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,452 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-25 17:58:00,453 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 3118 treesize of output 2668 [2021-11-25 17:58:00,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:00,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:00,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:00,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:00,923 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 17:58:00,939 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 1241 treesize of output 791 [2021-11-25 17:58:00,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:01,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:01,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:01,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:01,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,231 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-25 17:58:01,407 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 17:58:01,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1241 treesize of output 837 [2021-11-25 17:58:01,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:01,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:01,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:01,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:01,795 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-25 17:58:01,798 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 1241 treesize of output 791 [2021-11-25 17:58:01,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:01,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:02,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:02,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:02,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:02,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1241 treesize of output 791 [2021-11-25 17:58:02,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:02,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:02,445 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-25 17:58:03,415 INFO L354 Elim1Store]: treesize reduction 1351, result has 27.9 percent of original size [2021-11-25 17:58:03,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1280 treesize of output 1333 [2021-11-25 17:58:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:03,882 INFO L244 Elim1Store]: Index analysis took 220 ms [2021-11-25 17:58:05,397 INFO L354 Elim1Store]: treesize reduction 847, result has 53.5 percent of original size [2021-11-25 17:58:05,398 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 8 case distinctions, treesize of input 3139 treesize of output 3652 [2021-11-25 17:58:06,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:06,309 INFO L244 Elim1Store]: Index analysis took 259 ms [2021-11-25 17:58:06,905 INFO L354 Elim1Store]: treesize reduction 1803, result has 2.5 percent of original size [2021-11-25 17:58:06,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3127 treesize of output 2717 [2021-11-25 17:58:08,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,584 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,677 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:08,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:09,773 INFO L354 Elim1Store]: treesize reduction 430, result has 63.0 percent of original size [2021-11-25 17:58:09,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3118 treesize of output 3404 [2021-11-25 17:58:09,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:09,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:09,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:10,006 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 0 case distinctions, treesize of input 1220 treesize of output 788 [2021-11-25 17:58:10,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:10,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:10,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:10,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:10,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:10,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:10,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:10,497 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-25 17:58:11,025 INFO L354 Elim1Store]: treesize reduction 805, result has 31.0 percent of original size [2021-11-25 17:58:11,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1259 treesize of output 1171 [2021-11-25 17:58:11,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:11,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:11,505 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-25 17:58:11,730 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-25 17:58:11,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3106 treesize of output 1 [2021-11-25 17:58:11,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:12,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:12,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3109 treesize of output 2671 [2021-11-25 17:58:12,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:58:12,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:12,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1250 treesize of output 806 [2021-11-25 17:58:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:13,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:58:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:13,073 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 0 case distinctions, treesize of input 3097 treesize of output 2665 [2021-11-25 17:58:15,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:15,343 INFO L244 Elim1Store]: Index analysis took 240 ms [2021-11-25 17:58:21,786 WARN L227 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:58:21,787 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 17:58:21,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 105685 treesize of output 106943 [2021-11-25 18:06:41,635 WARN L227 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 2327 DAG size of output: 2327 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)