./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.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_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/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_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/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_4f6ba872-179b-48d2-a01a-1edab4d2c66c/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 e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:50,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:50,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:50,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:50,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:50,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:50,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:50,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:50,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:50,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:50,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:50,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:50,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:50,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:50,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:50,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:50,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:50,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:50,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:50,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:50,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:50,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:50,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:50,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:50,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:50,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:50,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:50,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:50,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:50,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:50,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:50,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:50,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:50,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:50,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:50,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:50,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:50,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:50,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:50,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:50,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:50,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:46:50,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:50,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:50,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:50,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:50,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:50,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:50,569 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:50,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:50,570 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:50,570 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:46:50,570 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:50,570 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:50,570 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:46:50,571 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:46:50,571 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:50,571 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:46:50,571 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:46:50,571 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:46:50,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:50,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:46:50,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:46:50,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:46:50,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:50,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:46:50,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:50,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:46:50,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:46:50,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:46:50,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:50,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:46:50,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:50,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:50,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:50,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:50,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:50,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:46:50,576 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:46:50,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:46:50,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:46:50,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:50,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:50,577 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_4f6ba872-179b-48d2-a01a-1edab4d2c66c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd [2021-11-21 01:46:50,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:50,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:50,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:50,888 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:50,889 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:50,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2021-11-21 01:46:50,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/data/5d9612401/77075f240a0443dcb6e5b166826f41b6/FLAG703650c4e [2021-11-21 01:46:51,594 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:51,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2021-11-21 01:46:51,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/data/5d9612401/77075f240a0443dcb6e5b166826f41b6/FLAG703650c4e [2021-11-21 01:46:51,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/data/5d9612401/77075f240a0443dcb6e5b166826f41b6 [2021-11-21 01:46:51,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:51,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:51,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:51,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:51,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:51,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:51" (1/1) ... [2021-11-21 01:46:51,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8b39eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:51, skipping insertion in model container [2021-11-21 01:46:51,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:51" (1/1) ... [2021-11-21 01:46:51,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:51,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:52,412 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_4f6ba872-179b-48d2-a01a-1edab4d2c66c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2021-11-21 01:46:52,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:52,596 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:46:52,644 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_4f6ba872-179b-48d2-a01a-1edab4d2c66c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2021-11-21 01:46:52,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:52,796 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:46:52,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52 WrapperNode [2021-11-21 01:46:52,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:52,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:52,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:46:52,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:46:52,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:52,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:52,954 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-21 01:46:52,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:52,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:46:52,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:46:52,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:46:52,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:52,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:52,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:52,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:53,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:53,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:53,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:53,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:46:53,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:46:53,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:46:53,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:46:53,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (1/1) ... [2021-11-21 01:46:53,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:53,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:53,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:46:53,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:46:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:46:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:46:53,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:46:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:46:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:46:53,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:46:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:46:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:46:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:46:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:46:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:46:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:46:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:46:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:46:53,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:46:53,510 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:46:53,512 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:46:54,766 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:46:55,252 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:46:55,253 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-21 01:46:55,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:55 BoogieIcfgContainer [2021-11-21 01:46:55,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:46:55,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:46:55,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:46:55,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:46:55,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:46:51" (1/3) ... [2021-11-21 01:46:55,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c27d39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:55, skipping insertion in model container [2021-11-21 01:46:55,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:52" (2/3) ... [2021-11-21 01:46:55,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c27d39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:55, skipping insertion in model container [2021-11-21 01:46:55,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:55" (3/3) ... [2021-11-21 01:46:55,266 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-2.i [2021-11-21 01:46:55,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:46:55,276 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:46:55,339 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:46:55,350 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 [2021-11-21 01:46:55,350 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:46:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:46:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:46:55,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:55,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:55,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:55,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:55,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-21 01:46:55,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:55,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531834799] [2021-11-21 01:46:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:55,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:55,551 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:55,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531834799] [2021-11-21 01:46:55,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531834799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:55,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:55,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:55,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972362108] [2021-11-21 01:46:55,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:55,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:46:55,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:46:55,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:55,588 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:57,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:57,715 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-21 01:46:57,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:46:57,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:46:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:57,737 INFO L225 Difference]: With dead ends: 375 [2021-11-21 01:46:57,737 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:46:57,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:57,743 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:57,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:46:57,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:46:57,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:46:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:46:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:46:57,800 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:46:57,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:57,801 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:46:57,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:46:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:46:57,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:57,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:57,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:46:57,806 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:57,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:57,806 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-21 01:46:57,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:57,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162949654] [2021-11-21 01:46:57,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:57,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:57,833 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:57,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121035751] [2021-11-21 01:46:57,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:57,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:57,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:57,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:57,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:46:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:58,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:58,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:58,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:58,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:58,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:58,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162949654] [2021-11-21 01:46:58,488 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:58,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121035751] [2021-11-21 01:46:58,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121035751] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:46:58,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [308302755] [2021-11-21 01:46:58,534 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:46:58,534 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:58,538 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:58,543 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:58,544 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:58,851 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:58,852 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:46:58,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:46:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:58,932 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 22 treesize of output 7 [2021-11-21 01:46:58,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:58,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:58,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:46:58,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:58,981 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 22 treesize of output 7 [2021-11-21 01:47:00,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,227 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 [2021-11-21 01:47:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:47:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:47:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,400 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 [2021-11-21 01:47:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:47:00,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,469 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:47:00,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:47:00,515 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:47:00,515 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 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:47:00,574 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:47:00,575 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:47:00,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,642 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 22 treesize of output 7 [2021-11-21 01:47:00,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:00,668 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 22 treesize of output 7 [2021-11-21 01:47:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:47:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:47:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,843 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 [2021-11-21 01:47:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:01,912 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 [2021-11-21 01:47:01,953 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:47:02,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [308302755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:02,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:47:02,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:47:02,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336770650] [2021-11-21 01:47:02,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:02,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:47:02,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:47:02,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:47:02,561 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:05,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:05,803 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:47:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:47:05,804 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 01:47:05,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:05,806 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:47:05,806 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:47:05,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:47:05,809 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:05,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 01:47:05,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:47:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:47:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:47:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:47:05,827 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:47:05,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:05,828 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:47:05,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:47:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:47:05,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:47:05,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:05,831 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:47:05,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:06,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:06,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:47:06,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:06,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-21 01:47:06,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:06,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289085406] [2021-11-21 01:47:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:06,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:06,083 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:06,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445254884] [2021-11-21 01:47:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:06,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:06,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:06,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:47:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:06,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:47:06,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:47:06,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:47:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:47:06,757 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:06,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289085406] [2021-11-21 01:47:06,757 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:06,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445254884] [2021-11-21 01:47:06,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445254884] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:47:06,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1414779477] [2021-11-21 01:47:06,762 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:47:06,762 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:47:06,763 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:47:06,763 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:47:06,763 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:47:07,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:07,018 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 [2021-11-21 01:47:07,053 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:47:07,053 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 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:47:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:07,083 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 [2021-11-21 01:47:07,125 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:47:07,126 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:47:07,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:07,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:47:07,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:47:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,222 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 [2021-11-21 01:47:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:47:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:47:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,377 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 [2021-11-21 01:47:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,456 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 [2021-11-21 01:47:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,517 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 [2021-11-21 01:47:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:47:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:47:08,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,718 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 [2021-11-21 01:47:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,774 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:47:08,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:47:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,827 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 100 treesize of output 105 [2021-11-21 01:47:08,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,878 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:47:08,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 125 [2021-11-21 01:47:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:08,941 INFO L354 Elim1Store]: treesize reduction 176, result has 10.7 percent of original size [2021-11-21 01:47:08,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 116 treesize of output 119 [2021-11-21 01:47:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:09,605 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 [2021-11-21 01:47:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:09,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:47:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:09,637 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:47:09,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:47:09,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:09,679 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 [2021-11-21 01:47:09,710 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:47:09,711 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:47:09,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:47:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,973 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 [2021-11-21 01:47:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,004 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 [2021-11-21 01:47:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:47:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:47:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,170 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 [2021-11-21 01:47:11,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,255 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 [2021-11-21 01:47:11,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-21 01:47:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,407 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:47:11,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:47:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,486 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 [2021-11-21 01:47:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,533 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 100 treesize of output 105 [2021-11-21 01:47:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,601 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:47:11,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:47:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:11,637 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:47:11,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:47:12,455 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:47:12,734 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:47:13,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1414779477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:13,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:47:13,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:47:13,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269990502] [2021-11-21 01:47:13,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:13,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:47:13,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:13,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:47:13,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:47:13,837 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:47:16,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:47:18,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:47:20,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:20,352 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:47:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:47:20,353 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 01:47:20,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:20,355 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:47:20,355 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:47:20,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:47:20,357 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:20,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 6.5s Time] [2021-11-21 01:47:20,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:47:20,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:47:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:47:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:47:20,376 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:47:20,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:20,377 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:47:20,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:47:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:47:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:47:20,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:20,380 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:47:20,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:20,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 01:47:20,589 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:47:20,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:20,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-21 01:47:20,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:20,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939463822] [2021-11-21 01:47:20,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:20,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:20,602 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:20,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172836974] [2021-11-21 01:47:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:20,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:20,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:20,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6ba872-179b-48d2-a01a-1edab4d2c66c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:47:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:20,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:47:20,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:47:21,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:47:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:47:21,224 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:21,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939463822] [2021-11-21 01:47:21,224 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:21,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172836974] [2021-11-21 01:47:21,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172836974] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:47:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [388524627] [2021-11-21 01:47:21,229 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:47:21,230 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:47:21,230 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:47:21,231 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:47:21,231 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:47:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:21,414 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 [2021-11-21 01:47:21,457 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:47:21,457 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:47:21,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:21,497 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 22 treesize of output 7 [2021-11-21 01:47:21,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:47:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:21,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:47:21,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:47:22,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,700 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 [2021-11-21 01:47:22,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,756 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 [2021-11-21 01:47:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:47:22,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:47:22,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,899 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 [2021-11-21 01:47:22,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,928 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 [2021-11-21 01:47:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:47:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:47:23,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,170 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 [2021-11-21 01:47:23,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,221 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:47:23,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:47:23,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,265 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 100 treesize of output 105 [2021-11-21 01:47:23,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,345 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:47:23,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:47:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:23,393 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:47:23,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:47:23,914 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 [2021-11-21 01:47:23,922 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 [2021-11-21 01:47:23,935 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 [2021-11-21 01:47:23,980 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:47:23,980 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 [2021-11-21 01:47:24,009 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:47:24,009 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 [2021-11-21 01:47:24,038 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:47:24,039 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 [2021-11-21 01:47:24,160 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 [2021-11-21 01:47:24,173 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 [2021-11-21 01:47:24,184 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 [2021-11-21 01:47:24,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:47:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,285 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 [2021-11-21 01:47:24,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,410 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 [2021-11-21 01:47:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,653 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 [2021-11-21 01:47:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:47:24,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:24,775 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 [2021-11-21 01:47:31,157 WARN L227 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:31,158 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:47:31,158 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 2837 treesize of output 2314 [2021-11-21 01:47:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:42,005 WARN L227 SmtUtils]: Spent 10.82s 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) [2021-11-21 01:47:42,005 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:47:42,006 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 2938 treesize of output 2656 [2021-11-21 01:47:54,355 WARN L227 SmtUtils]: Spent 12.25s 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) [2021-11-21 01:47:54,356 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:47:54,356 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 2906 treesize of output 2676 [2021-11-21 01:47:55,084 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:47:55,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25944 treesize of output 25955 [2021-11-21 01:47:56,157 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:47:56,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25943 treesize of output 25955 [2021-11-21 01:47:58,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:47:58,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:58,399 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:47:58,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 01:47:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:58,909 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:47:58,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61