./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/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 c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:35:03,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:35:03,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:35:03,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:35:03,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:35:03,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:35:03,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:35:03,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:35:03,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:35:03,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:35:03,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:35:03,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:35:03,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:35:03,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:35:03,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:35:03,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:35:03,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:35:03,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:35:03,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:35:03,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:35:03,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:35:03,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:35:03,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:35:03,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:35:03,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:35:03,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:35:03,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:35:03,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:35:03,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:35:03,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:35:03,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:35:03,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:35:03,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:35:03,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:35:03,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:35:03,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:35:03,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:35:03,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:35:03,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:35:03,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:35:03,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:35:03,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:35:03,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:35:03,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:35:03,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:35:03,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:35:03,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:35:03,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:35:03,692 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:35:03,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:35:03,693 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:35:03,693 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:35:03,693 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:35:03,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:35:03,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:35:03,694 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:35:03,694 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:35:03,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:35:03,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:35:03,694 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:35:03,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:35:03,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:35:03,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:35:03,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:35:03,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:35:03,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:35:03,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:35:03,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:35:03,697 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:35:03,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:35:03,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:35:03,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:35:03,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:35:03,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:35:03,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:35:03,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:35:03,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:35:03,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:35:03,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:35:03,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:35:03,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:35:03,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:35:03,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:35:03,700 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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2021-11-25 20:35:04,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:35:04,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:35:04,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:35:04,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:35:04,043 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:35:04,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-25 20:35:04,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/data/10544e118/15cbc628c1f44ec18d45c4dc0338cc1c/FLAG29427a09f [2021-11-25 20:35:04,799 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:35:04,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2021-11-25 20:35:04,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/data/10544e118/15cbc628c1f44ec18d45c4dc0338cc1c/FLAG29427a09f [2021-11-25 20:35:04,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/data/10544e118/15cbc628c1f44ec18d45c4dc0338cc1c [2021-11-25 20:35:04,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:35:04,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:35:04,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:35:04,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:35:04,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:35:04,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:35:04" (1/1) ... [2021-11-25 20:35:04,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e62146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:04, skipping insertion in model container [2021-11-25 20:35:04,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:35:04" (1/1) ... [2021-11-25 20:35:04,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:35:05,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:35:05,504 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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-25 20:35:05,655 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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-25 20:35:05,656 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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-25 20:35:05,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:35:05,673 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:35:05,705 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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[33021,33034] [2021-11-25 20:35:05,761 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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44124,44137] [2021-11-25 20:35:05,762 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_5054fb75-69c2-40e5-a542-48ed47e6d3d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i[44245,44258] [2021-11-25 20:35:05,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:35:05,817 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:35:05,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05 WrapperNode [2021-11-25 20:35:05,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:35:05,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:35:05,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:35:05,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:35:05,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:05,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:05,966 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-25 20:35:05,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:35:05,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:35:05,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:35:05,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:35:05,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:05,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:05,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:05,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:06,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:06,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:06,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:06,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:35:06,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:35:06,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:35:06,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:35:06,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (1/1) ... [2021-11-25 20:35:06,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:35:06,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:06,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:35:06,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:35:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:35:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:35:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:35:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:35:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:35:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:35:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:35:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:35:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:35:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:35:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:35:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:35:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:35:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:35:06,408 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:35:06,409 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:35:07,465 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:35:07,872 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:35:07,873 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 20:35:07,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:35:07 BoogieIcfgContainer [2021-11-25 20:35:07,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:35:07,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:35:07,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:35:07,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:35:07,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:35:04" (1/3) ... [2021-11-25 20:35:07,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1ac023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:35:07, skipping insertion in model container [2021-11-25 20:35:07,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:35:05" (2/3) ... [2021-11-25 20:35:07,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1ac023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:35:07, skipping insertion in model container [2021-11-25 20:35:07,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:35:07" (3/3) ... [2021-11-25 20:35:07,889 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2021-11-25 20:35:07,896 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:35:07,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:35:07,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:35:07,991 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 20:35:07,991 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 20:35:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:35:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 20:35:08,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:08,023 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:35:08,023 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:08,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:08,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-25 20:35:08,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:08,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394585627] [2021-11-25 20:35:08,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:08,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:08,248 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 20:35:08,249 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:08,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394585627] [2021-11-25 20:35:08,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394585627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:08,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:08,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:35:08,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710883757] [2021-11-25 20:35:08,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:08,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 20:35:08,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:08,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 20:35:08,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:35:08,296 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 20:35:08,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:08,839 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-25 20:35:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 20:35:08,848 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-25 20:35:08,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:08,857 INFO L225 Difference]: With dead ends: 215 [2021-11-25 20:35:08,857 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 20:35:08,861 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 20:35:08,865 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:08,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 20:35:08,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 20:35:08,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 20:35:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:35:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 20:35:08,914 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 20:35:08,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:08,915 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 20:35:08,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 20:35:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 20:35:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 20:35:08,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:08,916 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:35:08,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:35:08,916 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:08,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-25 20:35:08,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:08,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151552739] [2021-11-25 20:35:08,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:08,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:08,983 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 20:35:08,983 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:08,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151552739] [2021-11-25 20:35:08,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151552739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:08,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:08,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:35:08,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146249739] [2021-11-25 20:35:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:08,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:35:08,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:08,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:35:08,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:35:08,987 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:35:10,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:10,919 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 20:35:10,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:35:10,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 20:35:10,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:10,928 INFO L225 Difference]: With dead ends: 219 [2021-11-25 20:35:10,928 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 20:35:10,929 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 20:35:10,930 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:10,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 20:35:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 20:35:10,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 20:35:10,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:35:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 20:35:10,945 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 20:35:10,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:10,945 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 20:35:10,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:35:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 20:35:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 20:35:10,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:10,947 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] [2021-11-25 20:35:10,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:35:10,948 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:10,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:10,949 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-25 20:35:10,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:10,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307714683] [2021-11-25 20:35:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:10,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:11,084 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:11,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108812405] [2021-11-25 20:35:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:11,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:11,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:11,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:35:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:11,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:35:11,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:11,996 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 20:35:11,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:35:11,996 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:11,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307714683] [2021-11-25 20:35:11,997 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:11,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108812405] [2021-11-25 20:35:11,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108812405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:11,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:11,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:35:11,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204056171] [2021-11-25 20:35:11,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:11,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:35:11,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:11,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:35:11,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:35:12,000 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 20:35:12,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:12,890 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 20:35:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:35:12,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-11-25 20:35:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:12,896 INFO L225 Difference]: With dead ends: 265 [2021-11-25 20:35:12,897 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 20:35:12,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 20:35:12,899 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:12,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:35:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 20:35:12,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 20:35:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:35:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 20:35:12,939 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 20:35:12,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:12,940 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 20:35:12,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 20:35:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 20:35:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 20:35:12,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:12,942 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] [2021-11-25 20:35:12,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:35:13,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:13,143 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:13,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:13,144 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-25 20:35:13,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:13,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629105477] [2021-11-25 20:35:13,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:13,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:13,198 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:13,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057311948] [2021-11-25 20:35:13,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:13,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:13,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:13,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:13,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:35:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:13,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:35:13,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:13,834 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 20:35:13,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 20:35:13,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:35:13,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:35:13,878 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:13,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629105477] [2021-11-25 20:35:13,879 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:13,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057311948] [2021-11-25 20:35:13,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057311948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:13,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:13,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:35:13,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837360953] [2021-11-25 20:35:13,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:13,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:35:13,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:13,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:35:13,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:35:13,884 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 20:35:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:16,337 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 20:35:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:35:16,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 46 [2021-11-25 20:35:16,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:16,349 INFO L225 Difference]: With dead ends: 201 [2021-11-25 20:35:16,349 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 20:35:16,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 20:35:16,351 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:16,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 20:35:16,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 20:35:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 20:35:16,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:35:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 20:35:16,366 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 20:35:16,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:16,368 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 20:35:16,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 20:35:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 20:35:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 20:35:16,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:16,371 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 20:35:16,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:35:16,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-25 20:35:16,584 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:16,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:16,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-25 20:35:16,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:16,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251825566] [2021-11-25 20:35:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:16,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:16,654 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:16,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113584357] [2021-11-25 20:35:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:16,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:16,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:16,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:16,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:35:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:17,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:35:17,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:17,301 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 20:35:17,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:35:17,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:17,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251825566] [2021-11-25 20:35:17,302 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:17,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113584357] [2021-11-25 20:35:17,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113584357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:17,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:17,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:35:17,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853936544] [2021-11-25 20:35:17,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:17,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:35:17,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:17,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:35:17,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:35:17,305 INFO L87 Difference]: Start difference. First operand 154 states and 178 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 20:35:18,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:18,229 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 20:35:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:35:18,241 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 20:35:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:18,242 INFO L225 Difference]: With dead ends: 344 [2021-11-25 20:35:18,242 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 20:35:18,243 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 20:35:18,244 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:18,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:35:18,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 20:35:18,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 20:35:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:35:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 20:35:18,270 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 20:35:18,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:18,271 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 20:35:18,271 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 20:35:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 20:35:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 20:35:18,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:18,274 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 20:35:18,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:35:18,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:18,502 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:18,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:18,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-25 20:35:18,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:18,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855678416] [2021-11-25 20:35:18,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:18,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:18,564 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:18,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124181785] [2021-11-25 20:35:18,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:18,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:18,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:18,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:18,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:35:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:25,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:35:25,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:35:25,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:35:25,387 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:25,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855678416] [2021-11-25 20:35:25,387 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:25,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124181785] [2021-11-25 20:35:25,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124181785] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:25,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:25,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:35:25,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038468907] [2021-11-25 20:35:25,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:25,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:35:25,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:25,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:35:25,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:35:25,390 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:35:27,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:35:27,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:27,781 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 20:35:27,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:35:27,786 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-25 20:35:27,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:27,788 INFO L225 Difference]: With dead ends: 381 [2021-11-25 20:35:27,788 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 20:35:27,789 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 20:35:27,790 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:27,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 20:35:27,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 20:35:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 20:35:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 20:35:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 20:35:27,805 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 20:35:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:27,806 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 20:35:27,806 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:35:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 20:35:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 20:35:27,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:27,809 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 20:35:27,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-25 20:35:28,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:28,025 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:28,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:28,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-25 20:35:28,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:28,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341006734] [2021-11-25 20:35:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:28,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:28,090 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:35:28,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438563808] [2021-11-25 20:35:28,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:28,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:35:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:35:28,097 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:35:28,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5054fb75-69c2-40e5-a542-48ed47e6d3d3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:35:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:31,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 20:35:31,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:35:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:35:31,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:35:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:35:31,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:31,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341006734] [2021-11-25 20:35:31,462 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:35:31,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438563808] [2021-11-25 20:35:31,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438563808] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:35:31,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1265724114] [2021-11-25 20:35:31,484 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 20:35:31,484 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:35:31,489 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:35:31,494 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:35:31,495 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:35:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,640 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:35:31,640 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 20:35:31,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:35:31,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 20:35:31,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:35:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:35:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,739 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:35:31,739 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 20:35:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 20:35:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,777 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 20:35:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 20:35:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:31,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 20:35:32,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,141 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 20:35:32,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,159 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 20:35:32,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,192 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 20:35:32,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,213 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 20:35:32,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,269 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 20:35:32,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,295 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 20:35:32,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,316 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 20:35:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,333 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 20:35:32,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,382 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 20:35:32,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,411 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 20:35:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,445 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 20:35:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,469 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 20:35:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 20:35:32,590 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 20:35:32,594 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 20:35:32,598 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 20:35:32,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:35:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 20:35:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 20:35:32,659 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 20:35:32,664 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 20:35:32,670 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 20:35:32,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,744 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 20:35:32,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 20:35:32,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:35:32,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:35:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,921 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 20:35:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:32,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 20:35:39,742 WARN L227 SmtUtils]: Spent 6.69s 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 20:35:39,743 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:35:39,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:35:39,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:49,956 WARN L227 SmtUtils]: Spent 10.10s 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 20:35:49,957 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:35:49,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:35:50,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:35:50,624 INFO L244 Elim1Store]: Index analysis took 439 ms [2021-11-25 20:36:02,609 WARN L227 SmtUtils]: Spent 11.67s 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 20:36:02,610 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:36:02,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 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 20:36:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,306 INFO L244 Elim1Store]: Index analysis took 234 ms [2021-11-25 20:36:03,316 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 20:36:03,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:36:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:03,660 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-25 20:36:03,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 20:36:04,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:04,271 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:36:04,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:36:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:04,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:36:04,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:36:04,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:04,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:04,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:05,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:05,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:05,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:05,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:05,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:05,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:05,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:05,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:05,428 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-25 20:36:05,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:36:05,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3084 treesize of output 2866 [2021-11-25 20:36:05,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:05,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:05,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:05,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:06,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3096 treesize of output 2648 [2021-11-25 20:36:06,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:06,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:06,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:06,402 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-25 20:36:06,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3105 treesize of output 2651 [2021-11-25 20:36:06,827 INFO L244 Elim1Store]: Index analysis took 272 ms [2021-11-25 20:36:09,167 INFO L354 Elim1Store]: treesize reduction 468, result has 74.7 percent of original size [2021-11-25 20:36:09,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3105 treesize of output 4035 [2021-11-25 20:36:11,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,289 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 20:36:11,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3096 treesize of output 2648 [2021-11-25 20:36:11,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:11,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:11,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:11,733 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 20:36:12,028 INFO L354 Elim1Store]: treesize reduction 6, result has 91.3 percent of original size [2021-11-25 20:36:12,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3096 treesize of output 2710 [2021-11-25 20:36:12,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:13,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:13,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:13,156 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:13,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3075 treesize of output 2645 [2021-11-25 20:36:13,495 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:36:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:14,192 INFO L354 Elim1Store]: treesize reduction 793, result has 31.2 percent of original size [2021-11-25 20:36:14,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3084 treesize of output 3008 [2021-11-25 20:36:14,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:15,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:36:15,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:15,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:15,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:15,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:15,783 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 20:36:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,194 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 20:36:16,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 20:36:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:16,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 20:36:16,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:19,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:20,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:36:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:36:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver