./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P --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 d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:16:36,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:16:36,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:16:36,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:16:36,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:16:36,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:16:36,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:16:36,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:16:36,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:16:36,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:16:36,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:16:36,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:16:36,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:16:36,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:16:36,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:16:36,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:16:36,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:16:36,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:16:36,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:16:36,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:16:36,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:16:36,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:16:36,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:16:36,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:16:36,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:16:36,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:16:36,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:16:36,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:16:36,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:16:36,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:16:36,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:16:36,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:16:36,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:16:36,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:16:36,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:16:36,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:16:36,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:16:36,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:16:36,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:16:36,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:16:36,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:16:36,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:16:36,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:16:36,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:16:36,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:16:36,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:16:36,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:16:36,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:16:36,790 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:16:36,791 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:16:36,791 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:16:36,791 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:16:36,791 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:16:36,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:16:36,792 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:16:36,792 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:16:36,792 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:16:36,792 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:16:36,792 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:16:36,793 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:16:36,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:16:36,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:16:36,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:16:36,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:16:36,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:16:36,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:16:36,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:16:36,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:16:36,795 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:16:36,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:16:36,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:16:36,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:16:36,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:16:36,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:16:36,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:36,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:16:36,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:16:36,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:16:36,798 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:16:36,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:16:36,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:16:36,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:16:36,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:16:36,799 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_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2021-11-20 23:16:37,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:16:37,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:16:37,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:16:37,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:16:37,177 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:16:37,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-20 23:16:37,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/data/6b4b25f01/c5440d4765c44630bb0c4b078242f92f/FLAG246cd110f [2021-11-20 23:16:38,099 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:16:38,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-20 23:16:38,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/data/6b4b25f01/c5440d4765c44630bb0c4b078242f92f/FLAG246cd110f [2021-11-20 23:16:38,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/data/6b4b25f01/c5440d4765c44630bb0c4b078242f92f [2021-11-20 23:16:38,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:16:38,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:16:38,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:38,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:16:38,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:16:38,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:38" (1/1) ... [2021-11-20 23:16:38,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341bb4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:38, skipping insertion in model container [2021-11-20 23:16:38,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:38" (1/1) ... [2021-11-20 23:16:38,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:16:38,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:16:39,324 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_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2021-11-20 23:16:39,675 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_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2021-11-20 23:16:39,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:39,712 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:16:39,742 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_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2021-11-20 23:16:39,926 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_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2021-11-20 23:16:39,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:39,981 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:16:39,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39 WrapperNode [2021-11-20 23:16:39,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:39,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:39,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:16:39,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:16:39,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,185 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3019 [2021-11-20 23:16:40,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:40,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:16:40,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:16:40,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:16:40,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:16:40,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:16:40,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:16:40,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:16:40,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (1/1) ... [2021-11-20 23:16:40,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:40,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:40,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:16:40,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:16:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:16:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:16:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:16:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:16:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:16:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:16:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:16:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:16:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:16:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:16:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:16:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:16:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:16:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:16:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:16:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:16:40,862 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:16:40,872 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:16:43,769 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:16:44,372 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:16:44,372 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 23:16:44,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:44 BoogieIcfgContainer [2021-11-20 23:16:44,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:16:44,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:16:44,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:16:44,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:16:44,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:38" (1/3) ... [2021-11-20 23:16:44,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7da920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:44, skipping insertion in model container [2021-11-20 23:16:44,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:39" (2/3) ... [2021-11-20 23:16:44,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7da920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:44, skipping insertion in model container [2021-11-20 23:16:44,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:44" (3/3) ... [2021-11-20 23:16:44,390 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2021-11-20 23:16:44,397 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:16:44,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 23:16:44,481 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:16:44,491 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 [2021-11-20 23:16:44,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 23:16:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 23:16:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 23:16:44,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:44,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:44,610 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:44,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:44,621 INFO L85 PathProgramCache]: Analyzing trace with hash -258845898, now seen corresponding path program 1 times [2021-11-20 23:16:44,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:44,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440194638] [2021-11-20 23:16:44,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:44,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:44,883 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:44,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440194638] [2021-11-20 23:16:44,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440194638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:44,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:44,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:16:44,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254465766] [2021-11-20 23:16:44,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:44,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:16:44,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:44,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:16:44,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:16:44,945 INFO L87 Difference]: Start difference. First operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:45,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:45,730 INFO L93 Difference]: Finished difference Result 2225 states and 4887 transitions. [2021-11-20 23:16:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:16:45,743 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-20 23:16:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:45,780 INFO L225 Difference]: With dead ends: 2225 [2021-11-20 23:16:45,781 INFO L226 Difference]: Without dead ends: 1097 [2021-11-20 23:16:45,796 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 [2021-11-20 23:16:45,800 INFO L933 BasicCegarLoop]: 2111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:45,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2111 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 23:16:45,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-20 23:16:46,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-20 23:16:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 23:16:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2021-11-20 23:16:46,643 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2021-11-20 23:16:46,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:46,643 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2021-11-20 23:16:46,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2021-11-20 23:16:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:16:46,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:46,649 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:46,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:16:46,650 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:46,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:46,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1120515419, now seen corresponding path program 1 times [2021-11-20 23:16:46,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:46,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806959865] [2021-11-20 23:16:46,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:46,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:46,804 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:46,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806959865] [2021-11-20 23:16:46,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806959865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:46,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:46,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:16:46,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443350486] [2021-11-20 23:16:46,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:46,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:16:46,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:46,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:16:46,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:16:46,814 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:50,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:50,182 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2021-11-20 23:16:50,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:16:50,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-20 23:16:50,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:50,213 INFO L225 Difference]: With dead ends: 3192 [2021-11-20 23:16:50,213 INFO L226 Difference]: Without dead ends: 2148 [2021-11-20 23:16:50,220 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 [2021-11-20 23:16:50,222 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:50,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 6754 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-20 23:16:50,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2021-11-20 23:16:50,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2021-11-20 23:16:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 23:16:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2021-11-20 23:16:50,807 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2021-11-20 23:16:50,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:50,808 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2021-11-20 23:16:50,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2021-11-20 23:16:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 23:16:50,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:50,811 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:50,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:16:50,812 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash -440666121, now seen corresponding path program 1 times [2021-11-20 23:16:50,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:50,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642514422] [2021-11-20 23:16:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:50,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:50,864 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:16:50,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1538150084] [2021-11-20 23:16:50,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:50,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:16:50,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:50,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:16:50,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:16:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:51,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:16:51,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:16:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:16:51,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:16:51,380 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:51,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642514422] [2021-11-20 23:16:51,381 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:16:51,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538150084] [2021-11-20 23:16:51,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538150084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:51,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:51,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:16:51,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935823958] [2021-11-20 23:16:51,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:51,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:16:51,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:51,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:16:51,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:16:51,391 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:52,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:52,737 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2021-11-20 23:16:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:16:52,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-20 23:16:52,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:52,767 INFO L225 Difference]: With dead ends: 3230 [2021-11-20 23:16:52,768 INFO L226 Difference]: Without dead ends: 2134 [2021-11-20 23:16:52,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:16:52,777 INFO L933 BasicCegarLoop]: 2612 mSDtfsCounter, 1033 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:52,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:16:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2021-11-20 23:16:53,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2021-11-20 23:16:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-20 23:16:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2021-11-20 23:16:53,364 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2021-11-20 23:16:53,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:53,365 INFO L470 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2021-11-20 23:16:53,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:16:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2021-11-20 23:16:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 23:16:53,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:53,379 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] [2021-11-20 23:16:53,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:16:53,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:16:53,607 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:53,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:53,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1581662633, now seen corresponding path program 1 times [2021-11-20 23:16:53,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:53,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544608483] [2021-11-20 23:16:53,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:53,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:53,632 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:16:53,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1414140143] [2021-11-20 23:16:53,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:53,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:16:53,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:53,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:16:53,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:16:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:53,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:16:53,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:16:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:16:54,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:16:54,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:54,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544608483] [2021-11-20 23:16:54,075 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:16:54,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414140143] [2021-11-20 23:16:54,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414140143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:54,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:54,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:16:54,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770113274] [2021-11-20 23:16:54,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:54,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:16:54,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:54,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:16:54,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:16:54,084 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:16:56,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:16:57,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:57,672 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2021-11-20 23:16:57,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:16:57,673 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 [2021-11-20 23:16:57,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:57,685 INFO L225 Difference]: With dead ends: 3228 [2021-11-20 23:16:57,686 INFO L226 Difference]: Without dead ends: 1112 [2021-11-20 23:16:57,699 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 [2021-11-20 23:16:57,701 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 2143 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:57,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 3126 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-20 23:16:57,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-11-20 23:16:57,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2021-11-20 23:16:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-20 23:16:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2021-11-20 23:16:57,956 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2021-11-20 23:16:57,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:57,957 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2021-11-20 23:16:57,957 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) [2021-11-20 23:16:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2021-11-20 23:16:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 23:16:57,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:57,959 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] [2021-11-20 23:16:58,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:16:58,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:16:58,177 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:16:58,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:58,177 INFO L85 PathProgramCache]: Analyzing trace with hash -425682233, now seen corresponding path program 1 times [2021-11-20 23:16:58,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:58,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146372289] [2021-11-20 23:16:58,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:58,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:58,206 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:16:58,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714813083] [2021-11-20 23:16:58,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:58,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:16:58,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:58,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:16:58,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:16:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:58,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:16:58,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:16:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:16:59,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:16:59,079 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:59,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146372289] [2021-11-20 23:16:59,079 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:16:59,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714813083] [2021-11-20 23:16:59,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714813083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:59,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:59,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:16:59,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093842536] [2021-11-20 23:16:59,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:59,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:16:59,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:59,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:16:59,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:16:59,081 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:17:00,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:00,824 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2021-11-20 23:17:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:17:00,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-20 23:17:00,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:00,849 INFO L225 Difference]: With dead ends: 2207 [2021-11-20 23:17:00,849 INFO L226 Difference]: Without dead ends: 1114 [2021-11-20 23:17:00,857 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 [2021-11-20 23:17:00,858 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 1 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:17:00,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 6284 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 23:17:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-20 23:17:01,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2021-11-20 23:17:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2021-11-20 23:17:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2021-11-20 23:17:01,084 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2021-11-20 23:17:01,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:01,086 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2021-11-20 23:17:01,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:17:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2021-11-20 23:17:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 23:17:01,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:01,089 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] [2021-11-20 23:17:01,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:17:01,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:17:01,315 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:01,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:01,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1544494779, now seen corresponding path program 1 times [2021-11-20 23:17:01,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:17:01,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649118737] [2021-11-20 23:17:01,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:01,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:17:01,352 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:17:01,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665288943] [2021-11-20 23:17:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:01,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:17:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:17:01,354 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:17:01,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bb1ed6-ed79-4d2d-be29-c2b31c2dde10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:17:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:02,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:17:02,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:17:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:17:02,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:17:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:17:02,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:17:02,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649118737] [2021-11-20 23:17:02,457 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:17:02,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665288943] [2021-11-20 23:17:02,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665288943] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:17:02,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [317843415] [2021-11-20 23:17:02,478 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-20 23:17:02,479 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:17:02,483 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:17:02,488 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:17:02,489 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:17:02,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:17:02,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 23:17:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,701 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:17:02,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-20 23:17:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2021-11-20 23:17:02,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,772 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:17:02,772 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 [2021-11-20 23:17:02,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,940 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:17:02,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-20 23:17:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:02,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:03,021 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-20 23:17:03,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:17:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:03,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:17:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:03,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:17:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:03,193 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:17:03,194 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 [2021-11-20 23:17:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:17:05,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:17:05,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-20 23:17:05,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-20 23:17:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 108 treesize of output 98 [2021-11-20 23:17:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 89 treesize of output 79 [2021-11-20 23:17:05,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:17:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:17:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,685 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:17:05,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:17:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:17:05,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,937 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-20 23:17:05,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-20 23:17:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:05,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:06,016 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:17:06,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-20 23:17:06,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:06,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:06,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:06,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:17:06,798 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 [2021-11-20 23:17:06,808 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 [2021-11-20 23:17:06,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 23:17:06,887 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:17:06,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:17:06,917 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:17:06,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:17:06,950 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:17:06,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:17:07,070 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 [2021-11-20 23:17:07,084 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 [2021-11-20 23:17:07,101 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 [2021-11-20 23:17:07,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:17:07,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:17:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:17:07,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:17:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:17:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:07,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:17:15,375 WARN L227 SmtUtils]: Spent 7.40s 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) [2021-11-20 23:17:15,375 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:17:15,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:17:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:29,627 WARN L227 SmtUtils]: Spent 14.21s 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) [2021-11-20 23:17:29,627 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:17:29,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:17:41,238 WARN L227 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:17:41,239 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:17:41,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:17:41,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:41,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:43,324 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-20 23:17:43,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-20 23:17:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:44,162 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:17:44,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-20 23:17:45,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:17:46,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:46,126 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:17:46,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-20 23:17:46,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:17:46,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:17:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:17:47,407 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 23:17:47,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46