./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/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 816e37c4bcf3aac0429d508c13e4e6eeab848e29c3869a32879e05a2b79a73a3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:39:26,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:39:26,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:39:26,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:39:26,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:39:26,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:39:26,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:39:26,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:39:26,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:39:26,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:39:26,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:39:26,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:39:26,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:39:26,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:39:26,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:39:26,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:39:26,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:39:26,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:39:26,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:39:26,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:39:26,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:39:26,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:39:26,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:39:26,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:39:26,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:39:26,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:39:26,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:39:26,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:39:26,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:39:26,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:39:26,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:39:26,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:39:26,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:39:26,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:39:26,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:39:26,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:39:26,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:39:26,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:39:26,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:39:26,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:39:26,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:39:26,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:39:26,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:39:26,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:39:26,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:39:26,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:39:26,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:39:26,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:39:26,369 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:39:26,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:39:26,370 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:39:26,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:39:26,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:39:26,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:39:26,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:39:26,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:39:26,373 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:39:26,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:39:26,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:39:26,374 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:39:26,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:39:26,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:39:26,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:39:26,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:39:26,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:39:26,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:39:26,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:39:26,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:39:26,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:39:26,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:39:26,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:39:26,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:39:26,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:39:26,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:39:26,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:39:26,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:39:26,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:39:26,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:39:26,379 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:39:26,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:39:26,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:39:26,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:39:26,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:39:26,380 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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 816e37c4bcf3aac0429d508c13e4e6eeab848e29c3869a32879e05a2b79a73a3 [2021-11-21 00:39:26,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:39:26,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:39:26,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:39:26,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:39:26,720 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:39:26,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i [2021-11-21 00:39:26,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/data/0f9245746/32acc1c5322347378cf8a99b5f9f02c1/FLAGbeac41025 [2021-11-21 00:39:27,476 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:39:27,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i [2021-11-21 00:39:27,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/data/0f9245746/32acc1c5322347378cf8a99b5f9f02c1/FLAGbeac41025 [2021-11-21 00:39:27,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/data/0f9245746/32acc1c5322347378cf8a99b5f9f02c1 [2021-11-21 00:39:27,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:39:27,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:39:27,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:39:27,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:39:27,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:39:27,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:39:27" (1/1) ... [2021-11-21 00:39:27,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ae675e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:27, skipping insertion in model container [2021-11-21 00:39:27,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:39:27" (1/1) ... [2021-11-21 00:39:27,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:39:27,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:39:28,294 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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[37019,37032] [2021-11-21 00:39:28,459 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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[47352,47365] [2021-11-21 00:39:28,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:39:28,506 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:39:28,545 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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[37019,37032] [2021-11-21 00:39:28,621 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_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[47352,47365] [2021-11-21 00:39:28,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:39:28,726 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:39:28,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28 WrapperNode [2021-11-21 00:39:28,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:39:28,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:39:28,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:39:28,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:39:28,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:28,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:28,962 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1039 [2021-11-21 00:39:28,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:39:28,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:39:28,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:39:28,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:39:28,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:28,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:29,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:29,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:29,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:29,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:29,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:29,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:39:29,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:39:29,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:39:29,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:39:29,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (1/1) ... [2021-11-21 00:39:29,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:39:29,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:39:29,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:39:29,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:39:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:39:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:39:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:39:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:39:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:39:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:39:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:39:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:39:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:39:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:39:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:39:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:39:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:39:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:39:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:39:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:39:29,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:39:29,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:39:30,863 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:39:31,331 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:39:31,331 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:39:31,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:39:31 BoogieIcfgContainer [2021-11-21 00:39:31,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:39:31,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:39:31,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:39:31,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:39:31,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:39:27" (1/3) ... [2021-11-21 00:39:31,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2945735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:39:31, skipping insertion in model container [2021-11-21 00:39:31,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:39:28" (2/3) ... [2021-11-21 00:39:31,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2945735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:39:31, skipping insertion in model container [2021-11-21 00:39:31,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:39:31" (3/3) ... [2021-11-21 00:39:31,344 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-2.i [2021-11-21 00:39:31,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:39:31,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 00:39:31,425 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:39:31,443 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 00:39:31,443 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 00:39:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:39:31,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:39:31,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:39:31,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:39:31,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:39:31,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:39:31,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1967387469, now seen corresponding path program 1 times [2021-11-21 00:39:31,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:39:31,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088284085] [2021-11-21 00:39:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:31,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:39:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:39:31,722 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 00:39:31,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:39:31,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088284085] [2021-11-21 00:39:31,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088284085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:39:31,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:39:31,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:39:31,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345000389] [2021-11-21 00:39:31,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:39:31,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:39:31,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:39:31,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:39:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:39:31,776 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:39:34,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:39:34,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:39:34,098 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2021-11-21 00:39:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:39:34,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 00:39:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:39:34,135 INFO L225 Difference]: With dead ends: 245 [2021-11-21 00:39:34,135 INFO L226 Difference]: Without dead ends: 107 [2021-11-21 00:39:34,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:39:34,144 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:39:34,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:39:34,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-21 00:39:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-21 00:39:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:39:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-21 00:39:34,199 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-21 00:39:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:39:34,199 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-21 00:39:34,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:39:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-21 00:39:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:39:34,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:39:34,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:39:34,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:39:34,203 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:39:34,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:39:34,204 INFO L85 PathProgramCache]: Analyzing trace with hash 666058235, now seen corresponding path program 1 times [2021-11-21 00:39:34,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:39:34,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714804377] [2021-11-21 00:39:34,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:34,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:39:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:39:34,279 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 00:39:34,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:39:34,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714804377] [2021-11-21 00:39:34,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714804377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:39:34,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:39:34,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:39:34,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67982771] [2021-11-21 00:39:34,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:39:34,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:39:34,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:39:34,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:39:34,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:39:34,284 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:39:35,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:39:35,527 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-21 00:39:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:39:35,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 00:39:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:39:35,535 INFO L225 Difference]: With dead ends: 222 [2021-11-21 00:39:35,535 INFO L226 Difference]: Without dead ends: 168 [2021-11-21 00:39:35,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:39:35,547 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:39:35,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 00:39:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-21 00:39:35,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-21 00:39:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:39:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-21 00:39:35,567 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-21 00:39:35,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:39:35,567 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-21 00:39:35,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:39:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-21 00:39:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 00:39:35,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:39:35,570 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:39:35,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:39:35,571 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:39:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:39:35,571 INFO L85 PathProgramCache]: Analyzing trace with hash -148459342, now seen corresponding path program 1 times [2021-11-21 00:39:35,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:39:35,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507633374] [2021-11-21 00:39:35,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:35,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:39:35,611 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:39:35,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669683081] [2021-11-21 00:39:35,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:35,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:39:35,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:39:35,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:39:35,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:39:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:39:35,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:39:35,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:39:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:39:36,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:39:36,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:39:36,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507633374] [2021-11-21 00:39:36,143 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:39:36,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669683081] [2021-11-21 00:39:36,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669683081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:39:36,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:39:36,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:39:36,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259960353] [2021-11-21 00:39:36,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:39:36,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:39:36,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:39:36,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:39:36,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:39:36,151 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:39:37,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:39:39,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:39:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:39:39,962 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-21 00:39:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:39:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-21 00:39:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:39:39,988 INFO L225 Difference]: With dead ends: 260 [2021-11-21 00:39:39,988 INFO L226 Difference]: Without dead ends: 154 [2021-11-21 00:39:39,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:39:39,991 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:39:39,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 00:39:39,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-21 00:39:40,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-21 00:39:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 00:39:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-21 00:39:40,008 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-21 00:39:40,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:39:40,009 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-21 00:39:40,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:39:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-21 00:39:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:39:40,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:39:40,012 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:39:40,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:39:40,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:39:40,225 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:39:40,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:39:40,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2144184370, now seen corresponding path program 1 times [2021-11-21 00:39:40,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:39:40,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390055450] [2021-11-21 00:39:40,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:40,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:39:40,265 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:39:40,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990481274] [2021-11-21 00:39:40,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:40,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:39:40,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:39:40,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:39:40,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:39:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:39:40,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:39:40,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:39:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:39:40,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:39:40,765 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:39:40,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390055450] [2021-11-21 00:39:40,768 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:39:40,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990481274] [2021-11-21 00:39:40,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990481274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:39:40,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:39:40,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:39:40,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750961754] [2021-11-21 00:39:40,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:39:40,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:39:40,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:39:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:39:40,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:39:40,772 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:39:41,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:39:41,863 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-21 00:39:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:39:41,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-21 00:39:41,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:39:41,865 INFO L225 Difference]: With dead ends: 258 [2021-11-21 00:39:41,865 INFO L226 Difference]: Without dead ends: 122 [2021-11-21 00:39:41,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:39:41,869 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:39:41,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 00:39:41,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-21 00:39:41,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-21 00:39:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:39:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-21 00:39:41,894 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-21 00:39:41,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:39:41,894 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-21 00:39:41,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:39:41,895 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-21 00:39:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:39:41,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:39:41,897 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:39:41,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:39:42,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:39:42,118 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:39:42,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:39:42,119 INFO L85 PathProgramCache]: Analyzing trace with hash 427509094, now seen corresponding path program 1 times [2021-11-21 00:39:42,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:39:42,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049133065] [2021-11-21 00:39:42,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:42,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:39:42,149 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:39:42,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006047950] [2021-11-21 00:39:42,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:42,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:39:42,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:39:42,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:39:42,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:40:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:02,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:40:02,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:40:02,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:02,894 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:02,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049133065] [2021-11-21 00:40:02,894 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:02,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006047950] [2021-11-21 00:40:02,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006047950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:02,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:02,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:40:02,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586898891] [2021-11-21 00:40:02,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:02,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:02,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:02,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:02,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:02,897 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:40:05,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:40:05,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:05,143 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-21 00:40:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:05,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 00:40:05,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:05,160 INFO L225 Difference]: With dead ends: 227 [2021-11-21 00:40:05,160 INFO L226 Difference]: Without dead ends: 124 [2021-11-21 00:40:05,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:40:05,162 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:05,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 00:40:05,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-21 00:40:05,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-21 00:40:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 00:40:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-21 00:40:05,176 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-21 00:40:05,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:05,176 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-21 00:40:05,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:40:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-21 00:40:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:40:05,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:05,184 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:40:05,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:05,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:05,405 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:05,406 INFO L85 PathProgramCache]: Analyzing trace with hash -64659160, now seen corresponding path program 1 times [2021-11-21 00:40:05,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:05,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066035444] [2021-11-21 00:40:05,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:05,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:05,429 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:05,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594400783] [2021-11-21 00:40:05,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:05,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:05,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:05,436 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:05,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0de99f5-d9ce-4aa7-bf3c-6f6a5fcd0727/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:40:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:15,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 00:40:15,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:40:15,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:40:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:40:15,907 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:15,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066035444] [2021-11-21 00:40:15,907 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:15,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594400783] [2021-11-21 00:40:15,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594400783] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:40:15,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1004065548] [2021-11-21 00:40:15,930 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-21 00:40:15,930 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:40:15,935 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:40:15,940 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:40:15,941 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:40:16,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,113 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:40:16,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:40:16,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:40:16,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,151 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 00:40:16,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:40:16,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:40:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,343 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:40:16,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:40:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-21 00:40:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,460 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 00:40:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,480 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 00:40:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:16,514 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:40:16,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 00:40:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-21 00:40:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 00:40:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:17,992 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 00:40:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,024 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 00:40:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,143 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 00:40:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 00:40:18,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,283 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 00:40:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,406 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:40:18,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:40:18,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,481 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 00:40:18,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:40:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,675 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 00:40:18,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 00:40:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:18,739 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:40:18,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 00:40:19,300 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 00:40:19,312 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 00:40:19,324 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 00:40:19,382 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:40:19,382 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 98 treesize of output 97 [2021-11-21 00:40:19,412 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:40:19,412 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 94 treesize of output 93 [2021-11-21 00:40:19,433 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:40:19,433 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 90 treesize of output 89 [2021-11-21 00:40:19,491 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 00:40:19,502 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 00:40:19,517 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 00:40:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:40:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,640 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 00:40:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:19,727 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 00:40:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:40:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,134 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 00:40:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:20,166 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 00:40:26,909 WARN L227 SmtUtils]: Spent 6.64s 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 00:40:26,910 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:40:26,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:40:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:36,530 WARN L227 SmtUtils]: Spent 9.58s 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 00:40:36,531 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:40:36,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:40:48,969 WARN L227 SmtUtils]: Spent 12.27s 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 00:40:48,970 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:40:48,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 00:40:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:49,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:49,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:50,950 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:40:50,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-21 00:40:51,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:51,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:51,602 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:40:51,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-21 00:40:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:54,330 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:40:54,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 00:40:54,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:54,926 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:40:54,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-21 00:40:56,127 INFO L244 Elim1Store]: Index analysis took 245 ms [2021-11-21 00:40:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,644 INFO L354 Elim1Store]: treesize reduction 476, result has 74.2 percent of original size [2021-11-21 00:40:58,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1741 treesize of output 2653 [2021-11-21 00:41:02,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:02,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:02,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:02,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:02,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:02,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:02,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:02,159 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-21 00:41:02,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1741 treesize of output 1287 [2021-11-21 00:41:03,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:03,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:04,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:05,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:05,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:05,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:05,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:05,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:05,499 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-21 00:41:06,062 INFO L354 Elim1Store]: treesize reduction 16, result has 95.9 percent of original size [2021-11-21 00:41:06,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1664 treesize of output 1656 [2021-11-21 00:41:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:08,262 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:41:08,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1304 treesize of output 1300 [2021-11-21 00:41:09,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:09,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-21 00:41:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:09,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-21 00:41:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:10,494 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:10,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-21 00:41:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:10,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:10,900 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:41:10,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-21 00:41:11,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:12,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:12,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 00:41:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver