./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.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_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/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_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/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_0d56a657-e0d5-4985-9f0f-6c7837a3e897/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 f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:51:23,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:51:23,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:51:23,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:51:23,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:51:23,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:51:23,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:51:23,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:51:23,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:51:23,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:51:23,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:51:23,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:51:23,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:51:23,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:51:23,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:51:23,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:51:23,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:51:23,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:51:23,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:51:23,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:51:23,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:51:23,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:51:23,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:51:23,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:51:23,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:51:23,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:51:23,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:51:23,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:51:23,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:51:23,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:51:23,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:51:23,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:51:23,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:51:23,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:51:23,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:51:23,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:51:23,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:51:23,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:51:23,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:51:23,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:51:23,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:51:23,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:51:23,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:51:23,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:51:23,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:51:23,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:51:23,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:51:23,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:51:23,658 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:51:23,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:51:23,659 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:51:23,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:51:23,660 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:51:23,661 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:51:23,661 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:51:23,661 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:51:23,661 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:51:23,662 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:51:23,662 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:51:23,662 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:51:23,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:51:23,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:51:23,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:51:23,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:51:23,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:51:23,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:51:23,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:51:23,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:51:23,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:51:23,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:51:23,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:51:23,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:51:23,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:51:23,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:51:23,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:51:23,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:51:23,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:51:23,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:51:23,668 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:51:23,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:51:23,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:51:23,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:51:23,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:51:23,669 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_0d56a657-e0d5-4985-9f0f-6c7837a3e897/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2021-11-25 18:51:23,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:51:23,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:51:23,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:51:23,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:51:23,961 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:51:23,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2021-11-25 18:51:24,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/data/594dfb0ee/8d0ce5a33e6343e8a1f42eea1c9ca37d/FLAGe67a8e31d [2021-11-25 18:51:24,640 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:51:24,641 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2021-11-25 18:51:24,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/data/594dfb0ee/8d0ce5a33e6343e8a1f42eea1c9ca37d/FLAGe67a8e31d [2021-11-25 18:51:24,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/data/594dfb0ee/8d0ce5a33e6343e8a1f42eea1c9ca37d [2021-11-25 18:51:24,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:51:24,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:51:24,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:51:24,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:51:24,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:51:24,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:51:24" (1/1) ... [2021-11-25 18:51:24,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b85a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:24, skipping insertion in model container [2021-11-25 18:51:24,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:51:24" (1/1) ... [2021-11-25 18:51:24,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:51:24,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:51:25,415 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_0d56a657-e0d5-4985-9f0f-6c7837a3e897/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2021-11-25 18:51:25,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:51:25,527 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:51:25,558 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_0d56a657-e0d5-4985-9f0f-6c7837a3e897/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2021-11-25 18:51:25,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:51:25,680 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:51:25,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25 WrapperNode [2021-11-25 18:51:25,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:51:25,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:51:25,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:51:25,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:51:25,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,844 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-25 18:51:25,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:51:25,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:51:25,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:51:25,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:51:25,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:51:25,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:51:25,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:51:25,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:51:25,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (1/1) ... [2021-11-25 18:51:25,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:51:25,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:25,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:51:26,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:51:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:51:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:51:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:51:26,234 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:51:26,236 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:51:27,216 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:51:27,603 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:51:27,603 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-25 18:51:27,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:27 BoogieIcfgContainer [2021-11-25 18:51:27,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:51:27,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:51:27,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:51:27,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:51:27,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:51:24" (1/3) ... [2021-11-25 18:51:27,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f433b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:27, skipping insertion in model container [2021-11-25 18:51:27,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:25" (2/3) ... [2021-11-25 18:51:27,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f433b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:27, skipping insertion in model container [2021-11-25 18:51:27,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:27" (3/3) ... [2021-11-25 18:51:27,617 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-2.i [2021-11-25 18:51:27,624 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:51:27,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:51:27,686 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:51:27,704 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 18:51:27,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:51:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:51:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:51:27,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:27,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:51:27,738 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:27,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:27,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-25 18:51:27,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:27,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702777703] [2021-11-25 18:51:27,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:27,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:27,939 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 18:51:27,940 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:27,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702777703] [2021-11-25 18:51:27,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702777703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:27,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:51:27,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:51:27,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025952070] [2021-11-25 18:51:27,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:27,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:51:27,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:27,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:51:27,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:27,992 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) 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 18:51:29,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:51:29,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:29,690 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-25 18:51:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:51:29,710 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 18:51:29,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:29,721 INFO L225 Difference]: With dead ends: 237 [2021-11-25 18:51:29,721 INFO L226 Difference]: Without dead ends: 128 [2021-11-25 18:51:29,725 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 18:51:29,728 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:29,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:51:29,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-25 18:51:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-25 18:51:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:51:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-25 18:51:29,812 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-25 18:51:29,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:29,812 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-25 18:51:29,816 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 18:51:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-25 18:51:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:51:29,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:29,822 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] [2021-11-25 18:51:29,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:51:29,822 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:29,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:29,824 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-25 18:51:29,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:29,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269020482] [2021-11-25 18:51:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:29,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:29,976 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:51:29,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644105082] [2021-11-25 18:51:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:29,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:29,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:29,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:51:29,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:51:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:30,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:51:30,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:51:30,822 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 18:51:30,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:51:30,938 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 18:51:30,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:30,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269020482] [2021-11-25 18:51:30,943 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:51:30,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644105082] [2021-11-25 18:51:30,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644105082] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:51:30,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1754034943] [2021-11-25 18:51:30,980 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-25 18:51:30,981 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:51:30,987 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:51:30,993 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:51:30,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:51:31,127 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:51:31,128 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 18:51:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 18:51:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:51:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,188 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:51:31,189 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 18:51:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,220 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 18:51:31,265 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:51:31,265 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 18:51:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,740 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 18:51:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,766 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 18:51:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,803 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 18:51:31,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:31,829 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 18:51:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,145 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 18:51:32,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,174 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 18:51:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,196 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 18:51:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:32,223 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 18:51:32,242 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:51:33,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1754034943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:33,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:51:33,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 18:51:33,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138151866] [2021-11-25 18:51:33,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:33,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:51:33,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:33,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:51:33,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:51:33,215 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 18:51:35,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:35,465 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-25 18:51:35,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:51:35,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 31 [2021-11-25 18:51:35,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:35,473 INFO L225 Difference]: With dead ends: 173 [2021-11-25 18:51:35,473 INFO L226 Difference]: Without dead ends: 94 [2021-11-25 18:51:35,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 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 18:51:35,476 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:35,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 18:51:35,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-25 18:51:35,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-25 18:51:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 18:51:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-25 18:51:35,491 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-25 18:51:35,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:35,491 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-25 18:51:35,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 18:51:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-25 18:51:35,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 18:51:35,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:35,494 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] [2021-11-25 18:51:35,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:51:35,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:35,719 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:35,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:35,719 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-25 18:51:35,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:35,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45048578] [2021-11-25 18:51:35,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:35,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:35,766 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:51:35,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [86148094] [2021-11-25 18:51:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:35,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:35,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:35,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:51:35,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:51:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:36,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:51:36,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:51:36,311 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 18:51:36,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:51:36,417 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 18:51:36,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:36,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45048578] [2021-11-25 18:51:36,418 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:51:36,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86148094] [2021-11-25 18:51:36,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86148094] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:51:36,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [616224469] [2021-11-25 18:51:36,428 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 18:51:36,428 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:51:36,429 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:51:36,429 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:51:36,430 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:51:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 18:51:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,508 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 18:51:36,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:51:36,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,531 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:51:36,532 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 18:51:36,561 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:51:36,562 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 18:51:36,601 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:51:36,601 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 18:51:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,847 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 18:51:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:51:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,893 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 18:51:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,915 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 18:51:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,953 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 18:51:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:36,971 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 18:51:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,028 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 18:51:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,091 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 18:51:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,121 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 18:51:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,161 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 18:51:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,182 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 18:51:37,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,198 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 18:51:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,787 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 18:51:37,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,805 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 18:51:37,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,829 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 18:51:37,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,848 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 18:51:37,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,905 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 18:51:37,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,929 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 18:51:37,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,946 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 18:51:37,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:37,960 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 18:51:38,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,038 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 18:51:38,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,068 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 18:51:38,145 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:51:38,145 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 18:51:38,161 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 18:51:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:38,196 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 18:51:38,243 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-25 18:51:38,316 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:51:40,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [616224469] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:40,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:51:40,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 18:51:40,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345313941] [2021-11-25 18:51:40,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:40,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:51:40,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:40,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:51:40,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:51:40,217 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 18:51:42,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:42,055 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-25 18:51:42,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:51:42,062 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 44 [2021-11-25 18:51:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:42,064 INFO L225 Difference]: With dead ends: 175 [2021-11-25 18:51:42,064 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 18:51:42,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:51:42,066 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:42,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 110 Unchecked, 1.8s Time] [2021-11-25 18:51:42,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 18:51:42,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 18:51:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 18:51:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-25 18:51:42,082 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-25 18:51:42,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:42,082 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-25 18:51:42,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 18:51:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-25 18:51:42,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 18:51:42,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:42,085 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] [2021-11-25 18:51:42,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:51:42,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:42,299 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:42,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:42,299 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-25 18:51:42,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:42,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911477872] [2021-11-25 18:51:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:42,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:42,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:51:42,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471939894] [2021-11-25 18:51:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:42,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:42,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:51:42,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d56a657-e0d5-4985-9f0f-6c7837a3e897/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:51:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:42,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:51:42,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:51:42,880 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 18:51:42,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:51:42,989 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 18:51:42,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:42,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911477872] [2021-11-25 18:51:42,990 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:51:42,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471939894] [2021-11-25 18:51:42,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471939894] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:51:42,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1774981490] [2021-11-25 18:51:42,994 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 18:51:42,994 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:51:42,994 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:51:42,995 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:51:42,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:51:43,085 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:51:43,085 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 18:51:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,098 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 18:51:43,131 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:51:43,131 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 18:51:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:51:43,142 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 18:51:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,157 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 18:51:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,350 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 18:51:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,372 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 18:51:43,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,387 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 18:51:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,405 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 18:51:43,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,448 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 18:51:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,469 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 18:51:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,483 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 18:51:43,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,498 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 18:51:43,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,538 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 18:51:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,567 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 18:51:43,637 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:51:43,637 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 18:51:43,650 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 18:51:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:43,680 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 18:51:43,778 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 18:51:43,782 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 18:51:43,788 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 18:51:43,834 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:51:43,834 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 18:51:43,876 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:51:43,877 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 18:51:43,905 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:51:43,906 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 18:51:43,953 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 18:51:43,958 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 18:51:43,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 18:51:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,037 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 18:51:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,065 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 18:51:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,088 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 18:51:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,200 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 18:51:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,216 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 18:51:44,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:44,240 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 18:51:51,010 WARN L227 SmtUtils]: Spent 6.65s 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 18:51:51,011 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:51:51,011 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 18:51:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:00,459 WARN L227 SmtUtils]: Spent 9.35s 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 18:52:00,459 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:52:00,460 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 18:52:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:01,075 INFO L244 Elim1Store]: Index analysis took 397 ms [2021-11-25 18:52:11,580 WARN L227 SmtUtils]: Spent 10.23s 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 18:52:11,581 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:52:11,581 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 18:52:12,083 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-25 18:52:13,258 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:52:13,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-25 18:52:13,445 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 18:52:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:14,015 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:52:14,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:52:14,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:14,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:52:14,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 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 18:52:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:14,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:52:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:14,618 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:52:14,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:52:14,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:14,689 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 18:52:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:14,773 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 18:52:14,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:14,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:14,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:15,102 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:52:15,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 26 [2021-11-25 18:52:15,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:15,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 18:52:15,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:15,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 18:52:15,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:15,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:16,440 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:16,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:16,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:16,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:16,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:16,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:16,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:16,884 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-25 18:52:16,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:52:16,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:16,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:17,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:52:17,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:17,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:17,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:17,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:17,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:17,831 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-25 18:52:17,932 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:52:17,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2388 [2021-11-25 18:52:17,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:18,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:18,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:18,526 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 18:52:18,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2310 [2021-11-25 18:52:18,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:18,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:18,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,088 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-25 18:52:19,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:52:19,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:52:19,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:19,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:19,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,686 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:52:19,686 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 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 18:52:19,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:19,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:19,971 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:52:19,971 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 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 18:52:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,302 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-11-25 18:52:21,389 INFO L354 Elim1Store]: treesize reduction 903, result has 50.5 percent of original size [2021-11-25 18:52:21,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 3170 [2021-11-25 18:52:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,707 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-25 18:52:23,096 INFO L354 Elim1Store]: treesize reduction 913, result has 51.3 percent of original size [2021-11-25 18:52:23,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3304 [2021-11-25 18:52:23,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:23,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:24,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:52:25,797 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 1 case distinctions, treesize of input 2792 treesize of output 2560 [2021-11-25 18:52:25,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:26,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,153 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:52:26,154 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 1 case distinctions, treesize of input 2692 treesize of output 2466 [2021-11-25 18:52:26,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2715 treesize of output 2339 [2021-11-25 18:52:26,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:26,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2615 treesize of output 2245 [2021-11-25 18:52:26,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:26,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:26,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:26,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:27,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:27,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 18:52:27,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:27,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 18:52:27,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:28,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:28,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:28,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:28,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:28,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:28,452 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-25 18:52:28,818 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 18:52:28,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 18:52:28,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:28,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,467 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 18:52:29,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 18:52:29,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:29,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2715 treesize of output 2339 [2021-11-25 18:52:29,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:29,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:29,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:52:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:29,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2615 treesize of output 2245 [2021-11-25 18:52:30,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:30,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:30,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:30,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:30,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:30,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:30,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:30,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:31,786 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-25 18:52:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:32,107 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-25 18:52:32,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4047 treesize of output 3585 [2021-11-25 18:52:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:32,412 INFO L244 Elim1Store]: Index analysis took 178 ms [2021-11-25 18:52:32,699 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:52:32,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 18:52:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:34,152 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-25 18:52:39,491 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 152 DAG size of output: 122 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:52:39,491 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:52:39,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 93131 treesize of output 94087 [2021-11-25 19:00:28,817 WARN L227 SmtUtils]: Spent 7.79s on a formula simplification. DAG size of input: 1345 DAG size of output: 1345 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)