./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/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_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/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_3296eaea-1406-4db0-bca2-5a83131d8edb/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 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:33:18,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:33:18,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:33:18,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:33:18,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:33:18,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:33:18,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:33:18,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:33:18,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:33:18,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:33:18,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:33:18,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:33:18,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:33:18,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:33:18,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:33:18,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:33:18,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:33:18,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:33:18,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:33:18,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:33:18,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:33:18,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:33:18,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:33:18,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:33:18,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:33:18,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:33:18,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:33:18,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:33:18,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:33:18,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:33:18,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:33:18,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:33:18,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:33:18,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:33:18,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:33:18,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:33:18,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:33:18,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:33:18,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:33:18,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:33:18,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:33:18,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:33:18,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:33:18,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:33:18,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:33:18,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:33:18,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:33:18,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:33:18,200 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:33:18,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:33:18,201 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:33:18,201 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:33:18,202 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:33:18,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:33:18,202 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:33:18,203 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:33:18,203 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:33:18,203 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:33:18,203 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:33:18,204 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:33:18,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:33:18,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:33:18,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:33:18,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:33:18,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:33:18,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:33:18,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:33:18,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:33:18,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:33:18,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:33:18,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:33:18,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:33:18,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:33:18,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:33:18,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:18,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:33:18,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:33:18,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:33:18,210 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:33:18,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:33:18,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:33:18,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:33:18,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:33:18,211 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_3296eaea-1406-4db0-bca2-5a83131d8edb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2021-11-25 20:33:18,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:33:18,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:33:18,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:33:18,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:33:18,551 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:33:18,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2021-11-25 20:33:18,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/data/6270440d3/e161f879b8ab442d802f03b9ecb78265/FLAG3b7b68315 [2021-11-25 20:33:19,284 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:33:19,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2021-11-25 20:33:19,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/data/6270440d3/e161f879b8ab442d802f03b9ecb78265/FLAG3b7b68315 [2021-11-25 20:33:19,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/data/6270440d3/e161f879b8ab442d802f03b9ecb78265 [2021-11-25 20:33:19,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:33:19,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:33:19,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:19,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:33:19,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:33:19,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:19" (1/1) ... [2021-11-25 20:33:19,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e3acd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:19, skipping insertion in model container [2021-11-25 20:33:19,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:19" (1/1) ... [2021-11-25 20:33:19,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:33:19,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:33:20,043 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_3296eaea-1406-4db0-bca2-5a83131d8edb/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2021-11-25 20:33:20,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:20,185 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:33:20,234 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_3296eaea-1406-4db0-bca2-5a83131d8edb/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2021-11-25 20:33:20,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:20,317 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:33:20,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20 WrapperNode [2021-11-25 20:33:20,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:20,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:20,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:33:20,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:33:20,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,416 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-25 20:33:20,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:20,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:33:20,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:33:20,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:33:20,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:33:20,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:33:20,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:33:20,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:33:20,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (1/1) ... [2021-11-25 20:33:20,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:20,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:33:20,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:33:20,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:33:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:33:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:33:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:33:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:33:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:33:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:33:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:33:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:33:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:33:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:33:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:33:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:33:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:33:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:33:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:33:20,768 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:33:20,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:33:21,598 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:33:22,022 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:33:22,022 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-25 20:33:22,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:22 BoogieIcfgContainer [2021-11-25 20:33:22,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:33:22,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:33:22,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:33:22,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:33:22,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:33:19" (1/3) ... [2021-11-25 20:33:22,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445eae11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:22, skipping insertion in model container [2021-11-25 20:33:22,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:20" (2/3) ... [2021-11-25 20:33:22,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445eae11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:22, skipping insertion in model container [2021-11-25 20:33:22,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:22" (3/3) ... [2021-11-25 20:33:22,034 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-2.i [2021-11-25 20:33:22,041 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:33:22,041 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:33:22,105 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:33:22,113 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 20:33:22,113 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:33:22,132 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 20:33:22,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:33:22,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:22,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:22,140 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:22,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:22,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-25 20:33:22,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:22,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409827322] [2021-11-25 20:33:22,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:22,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:22,312 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 20:33:22,313 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:22,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409827322] [2021-11-25 20:33:22,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409827322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:22,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:22,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:33:22,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580394135] [2021-11-25 20:33:22,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:22,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:33:22,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:33:22,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:33:22,350 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 20:33:23,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:33:23,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:23,998 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-25 20:33:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:33:24,017 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 20:33:24,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:24,027 INFO L225 Difference]: With dead ends: 237 [2021-11-25 20:33:24,027 INFO L226 Difference]: Without dead ends: 128 [2021-11-25 20:33:24,031 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 20:33:24,035 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 20:33:24,036 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 20:33:24,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-25 20:33:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-25 20:33:24,082 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 20:33:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-25 20:33:24,086 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-25 20:33:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:24,086 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-25 20:33:24,087 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 20:33:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-25 20:33:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:33:24,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:24,090 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 20:33:24,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:33:24,090 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:24,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:24,091 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-25 20:33:24,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:24,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892238981] [2021-11-25 20:33:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:24,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:24,259 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:33:24,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090374898] [2021-11-25 20:33:24,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:24,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:33:24,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:33:24,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:33:24,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:33:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:24,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:33:24,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:33:25,093 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 20:33:25,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:33:25,219 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 20:33:25,220 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:25,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892238981] [2021-11-25 20:33:25,220 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:33:25,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090374898] [2021-11-25 20:33:25,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090374898] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:33:25,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [722482915] [2021-11-25 20:33:25,240 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-25 20:33:25,241 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:33:25,245 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:33:25,251 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:33:25,251 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:33:25,376 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:33:25,377 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 20:33:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,408 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 20:33:25,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:33:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,432 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:33:25,432 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 20:33:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 20:33:25,503 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:33:25,503 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 20:33:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,944 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 20:33:25,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:25,968 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 20:33:26,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,005 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 20:33:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 20:33:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 20:33:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,342 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 20:33:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,366 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 20:33:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:26,395 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 20:33:26,415 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:33:27,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [722482915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:27,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:33:27,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 20:33:27,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366902381] [2021-11-25 20:33:27,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:27,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:33:27,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:27,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:33:27,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:33:27,339 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 20:33:29,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:29,470 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-25 20:33:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:33:29,477 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 20:33:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:29,479 INFO L225 Difference]: With dead ends: 173 [2021-11-25 20:33:29,479 INFO L226 Difference]: Without dead ends: 94 [2021-11-25 20:33:29,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:33:29,481 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:29,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 20:33:29,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-25 20:33:29,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-25 20:33:29,504 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 20:33:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-25 20:33:29,513 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-25 20:33:29,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:29,513 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-25 20:33:29,514 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 20:33:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-25 20:33:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 20:33:29,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:29,516 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 20:33:29,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:33:29,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:33:29,740 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:29,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:29,741 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-25 20:33:29,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:29,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026775556] [2021-11-25 20:33:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:29,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:29,822 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:33:29,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193597487] [2021-11-25 20:33:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:29,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:33:29,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:33:29,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:33:29,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:33:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:30,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:33:30,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:33:30,356 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 20:33:30,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:33:30,481 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 20:33:30,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:30,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026775556] [2021-11-25 20:33:30,482 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:33:30,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193597487] [2021-11-25 20:33:30,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193597487] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:33:30,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1835778476] [2021-11-25 20:33:30,486 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 20:33:30,486 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:33:30,486 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:33:30,486 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:33:30,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:33:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,537 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 20:33:30,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,550 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 20:33:30,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:33:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,573 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:33:30,574 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 20:33:30,607 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:33:30,608 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 20:33:30,652 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:33:30,652 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 20:33:30,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,937 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 20:33:30,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,955 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 20:33:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:33:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:30,998 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 20:33:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,035 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 20:33:31,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,048 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 20:33:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,084 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 20:33:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,123 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 20:33:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,145 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 20:33:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,173 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 20:33:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,189 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 20:33:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,205 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 20:33:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,774 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 20:33:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,793 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 20:33:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,817 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 20:33:31,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,835 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 20:33:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,902 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 20:33:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,925 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 20:33:31,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,939 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 20:33:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 20:33:31,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:31,991 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 20:33:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,016 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 20:33:32,084 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:33:32,085 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 20:33:32,098 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 20:33:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:32,134 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 20:33:32,186 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-25 20:33:32,250 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:33:33,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1835778476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:33,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:33:33,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 20:33:33,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981057469] [2021-11-25 20:33:33,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:33,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:33:33,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:33,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:33:33,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:33:33,955 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 20:33:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:35,805 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-25 20:33:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 20:33:35,811 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 20:33:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:35,812 INFO L225 Difference]: With dead ends: 175 [2021-11-25 20:33:35,812 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 20:33:35,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:33:35,814 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 20:33:35,814 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 20:33:35,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 20:33:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 20:33:35,824 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 20:33:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-25 20:33:35,825 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-25 20:33:35,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:35,826 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-25 20:33:35,826 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 20:33:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-25 20:33:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 20:33:35,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:35,828 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 20:33:35,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 20:33:36,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:33:36,042 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:36,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:36,043 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-25 20:33:36,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:36,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663358076] [2021-11-25 20:33:36,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:36,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:36,086 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:33:36,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504650605] [2021-11-25 20:33:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:36,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:33:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:33:36,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:33:36,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3296eaea-1406-4db0-bca2-5a83131d8edb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:33:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:36,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:33:36,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:33:36,625 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 20:33:36,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:33:36,752 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 20:33:36,752 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:36,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663358076] [2021-11-25 20:33:36,752 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:33:36,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504650605] [2021-11-25 20:33:36,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504650605] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:33:36,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [209422058] [2021-11-25 20:33:36,758 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 20:33:36,758 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:33:36,759 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:33:36,759 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:33:36,760 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:33:36,824 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:33:36,827 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 20:33:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:36,840 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 20:33:36,875 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:33:36,875 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 20:33:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:36,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:33:36,886 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 20:33:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:36,904 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 20:33:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,103 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 20:33:37,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,124 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 20:33:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,142 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 20:33:37,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,159 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 20:33:37,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,231 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 20:33:37,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,252 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 20:33:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,266 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 20:33:37,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,282 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 20:33:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,322 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 20:33:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,351 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 20:33:37,417 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:33:37,418 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 20:33:37,444 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 20:33:37,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,478 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 20:33:37,554 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 20:33:37,558 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 20:33:37,563 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 20:33:37,601 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:33:37,601 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 20:33:37,634 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:33:37,635 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 20:33:37,661 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:33:37,661 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 20:33:37,699 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 20:33:37,704 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 20:33:37,709 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 20:33:37,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,772 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 20:33:37,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,796 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 20:33:37,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,815 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 20:33:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,911 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 20:33:37,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,927 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 20:33:37,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:37,950 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 20:33:44,131 WARN L227 SmtUtils]: Spent 6.03s 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 20:33:44,132 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:33:44,132 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 20:33:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:52,695 WARN L227 SmtUtils]: Spent 8.45s 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 20:33:52,696 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:33:52,696 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 20:33:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:33:53,155 INFO L244 Elim1Store]: Index analysis took 281 ms [2021-11-25 20:34:03,017 WARN L227 SmtUtils]: Spent 9.51s 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 20:34:03,018 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:34:03,019 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 20:34:03,535 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-25 20:34:04,413 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:34:04,413 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 20:34:04,589 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 20:34:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:05,200 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:34:05,201 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 20:34:05,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:05,578 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:34:05,578 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 20:34:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:05,690 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 20:34:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:05,886 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 20:34:05,886 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 20:34:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:05,996 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 20:34:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:06,091 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 20:34:06,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:06,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:06,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:06,403 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 20:34:06,403 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 20:34:06,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:06,461 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 20:34:06,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:06,607 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 20:34:06,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:06,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:07,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:07,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:07,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:07,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:08,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,116 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-25 20:34:08,118 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 20:34:08,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:08,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:08,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:08,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,417 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 20:34:08,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:08,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:08,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:08,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:08,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:08,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:08,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,032 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 20:34:09,125 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 20:34:09,125 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 20:34:09,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:09,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:09,531 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-25 20:34:09,831 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 20:34:09,831 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 20:34:10,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:10,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:10,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,291 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 20:34:10,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:10,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,453 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 20:34:10,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:10,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:10,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:10,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:10,848 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-25 20:34:10,951 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:34:10,951 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 20:34:10,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:11,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:11,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:11,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:11,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:11,202 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:34:11,203 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 20:34:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:11,465 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-25 20:34:12,579 INFO L354 Elim1Store]: treesize reduction 903, result has 50.5 percent of original size [2021-11-25 20:34:12,579 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 20:34:12,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:13,023 INFO L244 Elim1Store]: Index analysis took 182 ms [2021-11-25 20:34:14,439 INFO L354 Elim1Store]: treesize reduction 913, result has 51.3 percent of original size [2021-11-25 20:34:14,439 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 20:34:14,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:14,838 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,526 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,838 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:16,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:16,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,113 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:34:17,114 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 20:34:17,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:17,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,441 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:34:17,441 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 20:34:17,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,693 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 20:34:17,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:17,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:17,927 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 20:34:18,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:18,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:18,774 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 20:34:18,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:18,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:19,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:19,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:19,078 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 20:34:19,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:19,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:20,018 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-25 20:34:20,358 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 20:34:20,359 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 20:34:20,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:20,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:20,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:21,210 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 20:34:21,211 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 20:34:21,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:21,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:21,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:21,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:21,456 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 20:34:21,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:21,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:21,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:34:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:21,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:21,671 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 20:34:21,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:21,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:22,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:22,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:22,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:22,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:22,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:22,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:34:23,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:23,603 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-11-25 20:34:23,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:23,866 INFO L354 Elim1Store]: treesize reduction 1832, result has 0.1 percent of original size [2021-11-25 20:34:23,866 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 20:34:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:24,175 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-25 20:34:24,403 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 20:34:24,403 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 20:34:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:25,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:34:26,018 INFO L244 Elim1Store]: Index analysis took 268 ms [2021-11-25 20:34:30,673 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 20:34:30,674 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 20:42:20,213 WARN L227 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 2070 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 20:42:37,912 WARN L227 SmtUtils]: Spent 8.16s 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)