./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:48:14,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:48:14,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:48:14,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:48:14,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:48:14,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:48:14,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:48:14,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:48:14,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:48:14,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:48:14,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:48:14,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:48:14,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:48:14,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:48:14,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:48:14,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:48:14,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:48:14,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:48:14,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:48:14,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:48:14,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:48:14,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:48:14,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:48:14,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:48:14,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:48:14,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:48:14,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:48:14,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:48:14,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:48:14,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:48:14,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:48:14,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:48:14,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:48:14,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:48:14,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:48:14,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:48:14,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:48:14,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:48:14,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:48:14,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:48:14,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:48:14,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:48:14,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:48:14,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:48:14,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:48:14,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:48:14,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:48:14,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:48:14,536 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:48:14,536 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:48:14,536 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:48:14,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:48:14,537 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:48:14,537 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:48:14,537 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:48:14,537 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:48:14,537 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:48:14,538 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:48:14,538 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:48:14,538 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:48:14,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:48:14,539 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:48:14,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:48:14,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:48:14,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:48:14,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:48:14,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:48:14,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:48:14,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:48:14,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:48:14,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:48:14,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:48:14,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:48:14,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:48:14,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:48:14,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:48:14,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:48:14,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:48:14,542 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:48:14,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:48:14,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:48:14,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:48:14,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:48:14,543 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_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 [2021-11-25 18:48:14,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:48:14,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:48:14,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:48:14,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:48:14,835 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:48:14,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i [2021-11-25 18:48:14,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/data/90785ff6c/2dfe292b8c9b40c5b44fe9fe4da4c099/FLAGe5cc4f0b2 [2021-11-25 18:48:15,519 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:48:15,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i [2021-11-25 18:48:15,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/data/90785ff6c/2dfe292b8c9b40c5b44fe9fe4da4c099/FLAGe5cc4f0b2 [2021-11-25 18:48:15,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/data/90785ff6c/2dfe292b8c9b40c5b44fe9fe4da4c099 [2021-11-25 18:48:15,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:48:15,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:48:15,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:48:15,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:48:15,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:48:15,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:15" (1/1) ... [2021-11-25 18:48:15,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5430761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:15, skipping insertion in model container [2021-11-25 18:48:15,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:15" (1/1) ... [2021-11-25 18:48:15,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:48:15,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:48:16,248 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_98132ceb-743b-431c-beec-8a3c36adaa79/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2021-11-25 18:48:16,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:48:16,455 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:48:16,494 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_98132ceb-743b-431c-beec-8a3c36adaa79/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2021-11-25 18:48:16,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:48:16,647 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:48:16,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16 WrapperNode [2021-11-25 18:48:16,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:48:16,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:48:16,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:48:16,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:48:16,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,774 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-25 18:48:16,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:48:16,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:48:16,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:48:16,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:48:16,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:48:16,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:48:16,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:48:16,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:48:16,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (1/1) ... [2021-11-25 18:48:16,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:48:16,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:48:16,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:48:16,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:48:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:48:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:48:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:48:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:48:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:48:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:48:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:48:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:48:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:48:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:48:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:48:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:48:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:48:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:48:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:48:17,287 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:48:17,289 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:48:18,507 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:48:18,976 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:48:18,976 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-25 18:48:18,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:18 BoogieIcfgContainer [2021-11-25 18:48:18,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:48:18,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:48:18,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:48:18,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:48:18,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:48:15" (1/3) ... [2021-11-25 18:48:18,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7178f09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:18, skipping insertion in model container [2021-11-25 18:48:18,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:16" (2/3) ... [2021-11-25 18:48:18,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7178f09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:18, skipping insertion in model container [2021-11-25 18:48:18,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:18" (3/3) ... [2021-11-25 18:48:18,989 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-2.i [2021-11-25 18:48:19,001 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:48:19,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:48:19,048 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:48:19,061 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:48:19,061 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:48:19,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 18:48:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:48:19,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:19,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:19,101 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:48:19,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:19,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-25 18:48:19,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:19,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85182213] [2021-11-25 18:48:19,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:19,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:19,309 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:19,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85182213] [2021-11-25 18:48:19,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85182213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:19,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:19,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:48:19,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398742053] [2021-11-25 18:48:19,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:19,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:48:19,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:19,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:48:19,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:48:19,361 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:21,228 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-25 18:48:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:48:21,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 18:48:21,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:21,269 INFO L225 Difference]: With dead ends: 375 [2021-11-25 18:48:21,269 INFO L226 Difference]: Without dead ends: 220 [2021-11-25 18:48:21,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:48:21,279 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:21,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:48:21,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-25 18:48:21,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-25 18:48:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 18:48:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-25 18:48:21,333 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-25 18:48:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:21,333 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-25 18:48:21,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-25 18:48:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:48:21,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:21,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:21,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:48:21,338 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:48:21,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:21,339 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-25 18:48:21,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:21,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256384457] [2021-11-25 18:48:21,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:21,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:21,569 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:48:21,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968669327] [2021-11-25 18:48:21,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:21,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:48:21,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:48:21,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:48:21,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:48:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:22,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:48:22,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:48:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:23,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:48:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:23,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:23,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256384457] [2021-11-25 18:48:23,170 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:48:23,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968669327] [2021-11-25 18:48:23,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968669327] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:48:23,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1125288542] [2021-11-25 18:48:23,213 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-25 18:48:23,214 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:48:23,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:48:23,224 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:48:23,225 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:48:23,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:48:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,469 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:48:23,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 18:48:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:23,541 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:48:23,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:48:23,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:48:23,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:23,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:23,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:23,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:48:24,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,033 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 55 treesize of output 66 [2021-11-25 18:48:24,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:24,126 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:48:24,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 18:48:24,168 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:48:24,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:48:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:48:24,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:48:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:24,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:48:24,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:24,666 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 55 treesize of output 66 [2021-11-25 18:48:24,681 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:48:25,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1125288542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:25,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:48:25,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 18:48:25,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581625910] [2021-11-25 18:48:25,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:25,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:48:25,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:25,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:48:25,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:48:25,664 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:28,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:28,813 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-25 18:48:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:48:28,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-25 18:48:28,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:28,816 INFO L225 Difference]: With dead ends: 265 [2021-11-25 18:48:28,816 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 18:48:28,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:48:28,819 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:28,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 18:48:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 18:48:28,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-25 18:48:28,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 18:48:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-25 18:48:28,837 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-25 18:48:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:28,837 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-25 18:48:28,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-25 18:48:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 18:48:28,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:28,841 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:28,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:48:29,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:48:29,066 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:48:29,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:29,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-25 18:48:29,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:29,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894872371] [2021-11-25 18:48:29,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:29,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:29,230 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:48:29,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746207306] [2021-11-25 18:48:29,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:29,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:48:29,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:48:29,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:48:29,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:48:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:30,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 2181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:48:30,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:48:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:48:30,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:48:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:48:30,643 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:30,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894872371] [2021-11-25 18:48:30,643 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:48:30,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746207306] [2021-11-25 18:48:30,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746207306] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:48:30,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [18654302] [2021-11-25 18:48:30,648 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 18:48:30,648 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:48:30,649 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:48:30,649 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:48:30,650 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:48:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:30,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:30,832 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:48:30,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 18:48:30,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:30,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:30,882 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:48:30,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:48:30,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:30,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:48:30,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:48:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:48:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,179 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 55 treesize of output 66 [2021-11-25 18:48:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:31,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:48:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:48:31,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:48:31,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:48:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:48:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:48:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:48:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 treesize of output 47 [2021-11-25 18:48:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:48:31,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:48:31,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,645 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:48:31,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 18:48:31,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:31,696 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:48:31,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:48:31,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:48:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:31,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:32,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:48:32,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,040 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 55 treesize of output 66 [2021-11-25 18:48:32,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:48:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:48:32,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:48:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:48:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:48:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:32,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:48:32,292 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:48:32,293 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 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:48:32,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:48:32,504 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-25 18:48:32,584 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:48:34,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [18654302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:34,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:48:34,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 18:48:34,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431904701] [2021-11-25 18:48:34,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:34,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:48:34,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:34,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:48:34,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:48:34,344 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:48:37,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:48:37,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:37,820 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-25 18:48:37,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:48:37,820 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-25 18:48:37,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:37,822 INFO L225 Difference]: With dead ends: 267 [2021-11-25 18:48:37,822 INFO L226 Difference]: Without dead ends: 142 [2021-11-25 18:48:37,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:48:37,825 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:37,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 3.4s Time] [2021-11-25 18:48:37,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-25 18:48:37,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-25 18:48:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-25 18:48:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-25 18:48:37,844 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-25 18:48:37,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:37,844 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-25 18:48:37,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:48:37,845 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-25 18:48:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:48:37,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:37,847 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:37,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:48:38,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:48:38,050 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:48:38,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:38,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-25 18:48:38,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:38,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568792370] [2021-11-25 18:48:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:38,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:38,179 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:48:38,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421587543] [2021-11-25 18:48:38,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:38,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:48:38,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:48:38,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:48:38,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98132ceb-743b-431c-beec-8a3c36adaa79/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:48:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:39,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:48:39,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:48:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:48:39,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:48:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:48:39,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:39,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568792370] [2021-11-25 18:48:39,471 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:48:39,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421587543] [2021-11-25 18:48:39,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421587543] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:48:39,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2027534211] [2021-11-25 18:48:39,475 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 18:48:39,475 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:48:39,476 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:48:39,476 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:48:39,476 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:48:39,664 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:48:39,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:48:39,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:48:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:48:39,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:48:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:48:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:48:39,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,930 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 55 treesize of output 66 [2021-11-25 18:48:39,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:39,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:48:39,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:39,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:48:40,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:48:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:48:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:48:40,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:48:40,178 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:48:40,179 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 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:48:40,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:48:40,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:48:40,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:48:40,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:48:40,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:48:40,394 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:48:40,394 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 55 treesize of output 58 [2021-11-25 18:48:40,421 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:48:40,421 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 53 treesize of output 56 [2021-11-25 18:48:40,446 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:48:40,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 18:48:40,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:48:40,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:48:40,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:48:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 51 treesize of output 21 [2021-11-25 18:48:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:48:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:48:40,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 51 treesize of output 21 [2021-11-25 18:48:40,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:48:40,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:40,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:48:48,067 WARN L227 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:48:48,068 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:48:48,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:48:48,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:55,709 WARN L227 SmtUtils]: Spent 7.53s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:48:55,709 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:48:55,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:48:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:48:56,241 INFO L244 Elim1Store]: Index analysis took 358 ms [2021-11-25 18:49:06,022 WARN L227 SmtUtils]: Spent 9.55s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:49:06,023 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:49:06,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:49:06,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 18:49:06,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:06,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 49 [2021-11-25 18:49:07,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:07,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:07,283 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:49:07,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:49:07,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:07,610 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:49:07,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:49:07,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:07,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:07,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:49:07,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:07,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:07,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:49:08,184 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:49:08,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44