./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/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_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:14:34,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:14:34,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:14:34,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:14:34,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:14:34,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:14:34,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:14:34,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:14:34,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:14:34,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:14:34,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:14:34,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:14:34,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:14:34,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:14:34,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:14:34,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:14:34,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:14:34,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:14:34,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:14:34,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:14:34,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:14:34,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:14:34,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:14:34,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:14:34,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:14:34,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:14:34,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:14:34,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:14:34,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:14:34,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:14:34,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:14:34,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:14:34,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:14:34,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:14:34,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:14:34,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:14:34,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:14:34,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:14:34,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:14:34,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:14:34,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:14:34,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:14:34,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:14:34,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:14:34,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:14:34,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:14:34,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:14:34,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:14:34,766 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:14:34,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:14:34,767 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:14:34,767 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:14:34,767 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:14:34,767 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:14:34,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:14:34,768 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:14:34,768 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:14:34,768 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:14:34,769 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:14:34,769 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:14:34,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:14:34,770 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:14:34,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:14:34,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:14:34,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:14:34,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:14:34,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:14:34,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:14:34,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:14:34,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:14:34,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:14:34,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:14:34,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:14:34,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:14:34,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:14:34,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:14:34,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:14:34,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:14:34,778 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:14:34,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:14:34,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:14:34,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:14:34,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:14:34,779 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_e04d8503-1902-4527-9f4d-7d998742e3ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2021-11-25 19:14:35,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:14:35,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:14:35,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:14:35,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:14:35,121 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:14:35,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2021-11-25 19:14:35,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/data/5362902db/91aa5078ed4f4fd8aceef4a9f1031288/FLAG8eded4e8e [2021-11-25 19:14:35,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:14:35,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2021-11-25 19:14:35,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/data/5362902db/91aa5078ed4f4fd8aceef4a9f1031288/FLAG8eded4e8e [2021-11-25 19:14:36,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/data/5362902db/91aa5078ed4f4fd8aceef4a9f1031288 [2021-11-25 19:14:36,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:14:36,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:14:36,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:14:36,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:14:36,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:14:36,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:14:36" (1/1) ... [2021-11-25 19:14:36,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115adee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:36, skipping insertion in model container [2021-11-25 19:14:36,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:14:36" (1/1) ... [2021-11-25 19:14:36,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:14:36,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:14:36,737 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_e04d8503-1902-4527-9f4d-7d998742e3ab/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2021-11-25 19:14:37,046 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_e04d8503-1902-4527-9f4d-7d998742e3ab/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2021-11-25 19:14:37,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:14:37,081 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:14:37,122 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_e04d8503-1902-4527-9f4d-7d998742e3ab/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2021-11-25 19:14:37,297 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_e04d8503-1902-4527-9f4d-7d998742e3ab/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2021-11-25 19:14:37,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:14:37,354 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:14:37,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37 WrapperNode [2021-11-25 19:14:37,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:14:37,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:14:37,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:14:37,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:14:37,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,620 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3019 [2021-11-25 19:14:37,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:14:37,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:14:37,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:14:37,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:14:37,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:14:37,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:14:37,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:14:37,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:14:37,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (1/1) ... [2021-11-25 19:14:37,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:14:37,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:14:37,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:14:37,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:14:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:14:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:14:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:14:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:14:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:14:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:14:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:14:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:14:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:14:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:14:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:14:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:14:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:14:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:14:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:14:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:14:38,192 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:14:38,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:14:41,007 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:14:41,596 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:14:41,596 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:14:41,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:14:41 BoogieIcfgContainer [2021-11-25 19:14:41,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:14:41,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:14:41,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:14:41,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:14:41,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:14:36" (1/3) ... [2021-11-25 19:14:41,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a87a0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:14:41, skipping insertion in model container [2021-11-25 19:14:41,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:14:37" (2/3) ... [2021-11-25 19:14:41,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a87a0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:14:41, skipping insertion in model container [2021-11-25 19:14:41,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:14:41" (3/3) ... [2021-11-25 19:14:41,616 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-2.i [2021-11-25 19:14:41,624 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:14:41,625 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:14:41,699 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:14:41,720 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 19:14:41,721 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:14:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:14:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:14:41,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:14:41,796 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:14:41,797 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:14:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:14:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash -258845898, now seen corresponding path program 1 times [2021-11-25 19:14:41,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:14:41,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11983328] [2021-11-25 19:14:41,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:41,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:14:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:14:41,971 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 19:14:41,971 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:14:41,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11983328] [2021-11-25 19:14:41,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11983328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:14:41,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:14:41,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:14:41,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129847638] [2021-11-25 19:14:41,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:14:41,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:14:41,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:14:42,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:14:42,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:14:42,037 INFO L87 Difference]: Start difference. First operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:14:42,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:14:42,719 INFO L93 Difference]: Finished difference Result 2225 states and 4887 transitions. [2021-11-25 19:14:42,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:14:42,740 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-25 19:14:42,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:14:42,785 INFO L225 Difference]: With dead ends: 2225 [2021-11-25 19:14:42,787 INFO L226 Difference]: Without dead ends: 1097 [2021-11-25 19:14:42,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:14:42,808 INFO L933 BasicCegarLoop]: 2111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:14:42,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2111 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:14:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-25 19:14:43,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-25 19:14:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:14:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2021-11-25 19:14:43,493 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2021-11-25 19:14:43,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:14:43,493 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2021-11-25 19:14:43,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:14:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2021-11-25 19:14:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:14:43,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:14:43,499 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] [2021-11-25 19:14:43,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:14:43,500 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:14:43,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:14:43,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1120515419, now seen corresponding path program 1 times [2021-11-25 19:14:43,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:14:43,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955116949] [2021-11-25 19:14:43,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:43,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:14:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:14:43,652 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 19:14:43,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:14:43,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955116949] [2021-11-25 19:14:43,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955116949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:14:43,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:14:43,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:14:43,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511072895] [2021-11-25 19:14:43,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:14:43,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:14:43,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:14:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:14:43,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:14:43,663 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 19:14:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:14:46,958 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2021-11-25 19:14:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:14:46,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-25 19:14:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:14:46,992 INFO L225 Difference]: With dead ends: 3192 [2021-11-25 19:14:46,992 INFO L226 Difference]: Without dead ends: 2148 [2021-11-25 19:14:47,000 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 19:14:47,002 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:14:47,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 6754 Invalid, 582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:14:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2021-11-25 19:14:47,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2021-11-25 19:14:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:14:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2021-11-25 19:14:47,671 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2021-11-25 19:14:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:14:47,672 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2021-11-25 19:14:47,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 19:14:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2021-11-25 19:14:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 19:14:47,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:14:47,676 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:14:47,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:14:47,677 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:14:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:14:47,678 INFO L85 PathProgramCache]: Analyzing trace with hash -440666121, now seen corresponding path program 1 times [2021-11-25 19:14:47,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:14:47,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347515839] [2021-11-25 19:14:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:47,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:14:47,830 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:14:47,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369812175] [2021-11-25 19:14:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:47,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:14:47,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:14:47,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:14:47,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:14:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:14:48,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:14:48,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:14:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:14:48,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:14:48,685 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:14:48,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347515839] [2021-11-25 19:14:48,686 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:14:48,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369812175] [2021-11-25 19:14:48,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369812175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:14:48,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:14:48,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:14:48,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671257486] [2021-11-25 19:14:48,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:14:48,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:14:48,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:14:48,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:14:48,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:14:48,694 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 19:14:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:14:50,227 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2021-11-25 19:14:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:14:50,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-25 19:14:50,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:14:50,263 INFO L225 Difference]: With dead ends: 3230 [2021-11-25 19:14:50,263 INFO L226 Difference]: Without dead ends: 2134 [2021-11-25 19:14:50,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 19:14:50,275 INFO L933 BasicCegarLoop]: 2612 mSDtfsCounter, 1033 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:14:50,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:14:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2021-11-25 19:14:50,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2021-11-25 19:14:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-25 19:14:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2021-11-25 19:14:50,921 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2021-11-25 19:14:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:14:50,921 INFO L470 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2021-11-25 19:14:50,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 19:14:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2021-11-25 19:14:50,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 19:14:50,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:14:50,925 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, 1, 1, 1] [2021-11-25 19:14:50,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:14:51,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:14:51,131 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:14:51,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:14:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1581662633, now seen corresponding path program 1 times [2021-11-25 19:14:51,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:14:51,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980264138] [2021-11-25 19:14:51,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:51,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:14:51,214 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:14:51,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480549520] [2021-11-25 19:14:51,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:51,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:14:51,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:14:51,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:14:51,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:14:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:14:51,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:14:51,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:14:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:14:51,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:14:51,983 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:14:51,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980264138] [2021-11-25 19:14:51,984 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:14:51,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480549520] [2021-11-25 19:14:51,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480549520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:14:51,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:14:51,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:14:51,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798651021] [2021-11-25 19:14:51,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:14:51,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:14:51,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:14:51,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:14:51,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:14:51,987 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 19:14:54,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:14:55,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:14:55,809 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2021-11-25 19:14:55,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:14:55,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 57 [2021-11-25 19:14:55,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:14:55,821 INFO L225 Difference]: With dead ends: 3228 [2021-11-25 19:14:55,821 INFO L226 Difference]: Without dead ends: 1112 [2021-11-25 19:14:55,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 19:14:55,835 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 2143 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:14:55,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 3126 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 19:14:55,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-11-25 19:14:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2021-11-25 19:14:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-25 19:14:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2021-11-25 19:14:56,080 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2021-11-25 19:14:56,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:14:56,081 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2021-11-25 19:14:56,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 19:14:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2021-11-25 19:14:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:14:56,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:14:56,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:14:56,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:14:56,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:14:56,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:14:56,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:14:56,310 INFO L85 PathProgramCache]: Analyzing trace with hash -425682233, now seen corresponding path program 1 times [2021-11-25 19:14:56,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:14:56,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288166080] [2021-11-25 19:14:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:56,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:14:56,371 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:14:56,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415402808] [2021-11-25 19:14:56,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:14:56,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:14:56,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:14:56,381 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:14:56,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:15:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:15:03,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:15:03,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:15:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:15:03,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:15:03,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:15:03,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288166080] [2021-11-25 19:15:03,569 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:15:03,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415402808] [2021-11-25 19:15:03,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415402808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:15:03,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:15:03,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:15:03,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146180797] [2021-11-25 19:15:03,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:15:03,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:15:03,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:15:03,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:15:03,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:15:03,572 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:15:06,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:15:06,078 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2021-11-25 19:15:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:15:06,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 19:15:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:15:06,113 INFO L225 Difference]: With dead ends: 2207 [2021-11-25 19:15:06,114 INFO L226 Difference]: Without dead ends: 1114 [2021-11-25 19:15:06,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 19:15:06,123 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 1 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:15:06,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 6284 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:15:06,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-25 19:15:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2021-11-25 19:15:06,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2021-11-25 19:15:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2021-11-25 19:15:06,376 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2021-11-25 19:15:06,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:15:06,378 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2021-11-25 19:15:06,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:15:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2021-11-25 19:15:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:15:06,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:15:06,388 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:15:06,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:15:06,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:15:06,603 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:15:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:15:06,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1544494779, now seen corresponding path program 1 times [2021-11-25 19:15:06,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:15:06,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334692272] [2021-11-25 19:15:06,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:15:06,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:15:06,681 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:15:06,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792813500] [2021-11-25 19:15:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:15:06,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:15:06,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:15:06,686 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:15:06,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04d8503-1902-4527-9f4d-7d998742e3ab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:15:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:15:08,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:15:08,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:15:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:15:08,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:15:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:15:08,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:15:08,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334692272] [2021-11-25 19:15:08,544 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:15:08,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792813500] [2021-11-25 19:15:08,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792813500] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:15:08,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1418248687] [2021-11-25 19:15:08,578 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 19:15:08,579 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:15:08,586 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:15:08,594 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:15:08,594 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:15:08,831 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 19:15:08,837 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 19:15:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:08,861 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:15:08,862 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 19:15:08,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:08,873 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 19:15:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:08,903 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:15:08,903 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 19:15:08,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:08,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:15:08,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:08,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:15:08,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,022 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:15:09,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:15:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,081 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:15:09,082 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 19:15:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,116 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 52 treesize of output 49 [2021-11-25 19:15:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,504 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 76 treesize of output 64 [2021-11-25 19:15:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,537 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 74 treesize of output 76 [2021-11-25 19:15:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,572 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 19:15:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,599 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 19:15:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,672 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 89 treesize of output 79 [2021-11-25 19:15:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,704 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 89 treesize of output 79 [2021-11-25 19:15:09,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,727 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 19:15:09,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,749 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 19:15:09,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,817 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 19:15:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,908 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:15:09,909 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 19:15:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,929 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 19:15:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:09,979 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 19:15:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,020 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 19:15:10,147 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 19:15:10,151 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 19:15:10,187 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 19:15:10,257 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:15:10,258 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 19:15:10,294 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:15:10,294 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 19:15:10,347 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:15:10,347 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 19:15:10,404 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 19:15:10,411 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 19:15:10,424 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 19:15:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,517 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 19:15:10,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,548 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 19:15:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,585 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 19:15:10,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,762 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 19:15:10,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,788 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 19:15:10,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:10,818 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 19:15:21,265 WARN L227 SmtUtils]: Spent 10.26s 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 19:15:21,266 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:15:21,266 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 19:15:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:32,290 WARN L227 SmtUtils]: Spent 10.86s 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 19:15:32,291 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:15:32,292 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 19:15:32,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:32,945 INFO L244 Elim1Store]: Index analysis took 381 ms [2021-11-25 19:15:46,923 WARN L227 SmtUtils]: Spent 13.59s 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 19:15:46,925 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:15:46,925 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 19:15:47,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:47,867 INFO L244 Elim1Store]: Index analysis took 312 ms [2021-11-25 19:15:49,004 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:15:49,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:15:49,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:49,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:49,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:49,306 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 19:15:49,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:15:50,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:50,224 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:15:50,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 19:15:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:50,636 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:15:50,636 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 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 19:15:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:50,784 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:15:50,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:50,935 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:15:50,936 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 3 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:15:51,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:51,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 19:15:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:51,215 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 19:15:51,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:15:51,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:15:51,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:15:51,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:51,527 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:15:51,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 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 19:15:51,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:51,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:51,667 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 19:15:51,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 19:15:51,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:15:51,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:15:51,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:51,856 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 19:15:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:15:53,080 INFO L244 Elim1Store]: Index analysis took 214 ms [2021-11-25 19:15:54,666 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:15:54,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4154 treesize of output 5558 [2021-11-25 19:16:04,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:16:04,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:16:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:16:08,031 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-11-25 19:16:09,909 INFO L354 Elim1Store]: treesize reduction 28, result has 98.5 percent of original size [2021-11-25 19:16:09,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4054 treesize of output 5404 [2021-11-25 19:16:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:16:14,448 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 19:16:14,670 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 19:16:14,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 19:16:18,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:16:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:16:19,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:16:19,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:16:19,297 INFO L244 Elim1Store]: Index analysis took 341 ms [2021-11-25 19:16:23,855 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:16:23,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 354937 treesize of output 352497 [2021-11-25 19:23:48,729 WARN L227 SmtUtils]: Spent 7.60s on a formula simplification that was a NOOP. DAG size: 2532 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)