./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur --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 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:18:13,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:18:13,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:18:13,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:18:13,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:18:13,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:18:13,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:18:13,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:18:13,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:18:13,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:18:13,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:18:13,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:18:13,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:18:13,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:18:13,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:18:13,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:18:13,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:18:13,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:18:13,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:18:13,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:18:13,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:18:13,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:18:13,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:18:13,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:18:13,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:18:13,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:18:13,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:18:13,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:18:13,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:18:13,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:18:13,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:18:13,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:18:13,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:18:13,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:18:13,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:18:13,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:18:13,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:18:13,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:18:13,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:18:13,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:18:13,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:18:13,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:18:13,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:18:13,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:18:13,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:18:13,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:18:13,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:18:13,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:18:13,391 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:18:13,391 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:18:13,391 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:18:13,391 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:18:13,393 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:18:13,393 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:18:13,393 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:18:13,394 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:18:13,394 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:18:13,394 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:18:13,394 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:18:13,395 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:18:13,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:18:13,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:18:13,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:18:13,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:18:13,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:18:13,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:18:13,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:18:13,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:18:13,398 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:18:13,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:18:13,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:18:13,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:18:13,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:18:13,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:18:13,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:13,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:18:13,401 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:18:13,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:18:13,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:18:13,401 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:18:13,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:18:13,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:18:13,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:18:13,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2022-11-26 00:18:13,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:18:13,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:18:13,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:18:13,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:18:13,740 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:18:13,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-26 00:18:17,119 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:18:17,503 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:18:17,504 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2022-11-26 00:18:17,518 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/data/ceeaac6ac/ff18064ff5a54538a2b97596c7a0ad3b/FLAG9fda7cdc0 [2022-11-26 00:18:17,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/data/ceeaac6ac/ff18064ff5a54538a2b97596c7a0ad3b [2022-11-26 00:18:17,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:18:17,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:18:17,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:17,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:18:17,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:18:17,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:17" (1/1) ... [2022-11-26 00:18:17,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ae7e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:17, skipping insertion in model container [2022-11-26 00:18:17,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:17" (1/1) ... [2022-11-26 00:18:17,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:18:17,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:18:18,021 WARN L237 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_2c462aa3-491f-454b-842b-fe1b3bfbeff7/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-26 00:18:18,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:18,038 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:18:18,084 WARN L237 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_2c462aa3-491f-454b-842b-fe1b3bfbeff7/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2022-11-26 00:18:18,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:18,132 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:18:18,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18 WrapperNode [2022-11-26 00:18:18,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:18,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:18,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:18:18,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:18:18,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,222 INFO L138 Inliner]: procedures = 122, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-11-26 00:18:18,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:18,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:18:18,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:18:18,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:18:18,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:18:18,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:18:18,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:18:18,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:18:18,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (1/1) ... [2022-11-26 00:18:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:18,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:18,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:18:18,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-26 00:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-26 00:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:18:18,606 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:18:18,608 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:18:18,691 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-26 00:18:18,989 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:18:19,039 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:18:19,039 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 00:18:19,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:19 BoogieIcfgContainer [2022-11-26 00:18:19,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:18:19,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:18:19,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:18:19,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:18:19,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:18:17" (1/3) ... [2022-11-26 00:18:19,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bc2176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:19, skipping insertion in model container [2022-11-26 00:18:19,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:18" (2/3) ... [2022-11-26 00:18:19,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bc2176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:19, skipping insertion in model container [2022-11-26 00:18:19,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:19" (3/3) ... [2022-11-26 00:18:19,054 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2022-11-26 00:18:19,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:18:19,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:18:19,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:18:19,154 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3abccf54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:18:19,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:18:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:18:19,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:19,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:19,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:19,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:19,178 INFO L85 PathProgramCache]: Analyzing trace with hash -342196433, now seen corresponding path program 1 times [2022-11-26 00:18:19,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:19,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296350277] [2022-11-26 00:18:19,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:19,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:19,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:19,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296350277] [2022-11-26 00:18:19,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296350277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:19,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:19,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:18:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688999194] [2022-11-26 00:18:19,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:19,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:18:19,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:19,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:18:19,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:19,652 INFO L87 Difference]: Start difference. First operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:19,724 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2022-11-26 00:18:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:18:19,728 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-26 00:18:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:19,736 INFO L225 Difference]: With dead ends: 38 [2022-11-26 00:18:19,737 INFO L226 Difference]: Without dead ends: 18 [2022-11-26 00:18:19,740 INFO L412 NwaCegarLoop]: 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 [2022-11-26 00:18:19,745 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:19,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 39 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:18:19,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-26 00:18:19,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-26 00:18:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-26 00:18:19,787 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 7 [2022-11-26 00:18:19,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:19,788 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-26 00:18:19,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-26 00:18:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:18:19,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:19,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:19,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:18:19,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:19,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:19,792 INFO L85 PathProgramCache]: Analyzing trace with hash 272535787, now seen corresponding path program 1 times [2022-11-26 00:18:19,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:19,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273211989] [2022-11-26 00:18:19,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:19,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:19,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:19,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273211989] [2022-11-26 00:18:19,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273211989] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:18:19,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306038218] [2022-11-26 00:18:19,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:20,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:20,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:20,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:18:20,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:18:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:20,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:18:20,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:20,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:18:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:20,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306038218] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:18:20,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1096724594] [2022-11-26 00:18:20,419 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-26 00:18:20,420 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:18:20,425 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:18:20,439 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:18:20,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:18:20,643 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:18:20,646 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:20,730 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:18:20,731 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:20,923 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:20,943 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:20,985 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 37 [2022-11-26 00:18:21,137 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:18:21,138 INFO L350 Elim1Store]: Elim1 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 32 treesize of output 53 [2022-11-26 00:18:21,188 INFO L350 Elim1Store]: Elim1 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 22 treesize of output 30 [2022-11-26 00:18:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,309 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 49 [2022-11-26 00:18:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:21,487 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-26 00:18:21,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-11-26 00:18:21,616 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-26 00:18:21,617 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:21,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:21,910 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-26 00:18:21,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 390 treesize of output 373 [2022-11-26 00:18:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:21,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:21,993 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-11-26 00:18:21,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 388 treesize of output 382 [2022-11-26 00:18:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:22,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:22,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:22,073 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-26 00:18:22,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 397 treesize of output 384 [2022-11-26 00:18:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:22,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:22,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:22,141 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-11-26 00:18:22,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 445 treesize of output 432 [2022-11-26 00:18:22,523 INFO L321 Elim1Store]: treesize reduction 170, result has 15.0 percent of original size [2022-11-26 00:18:22,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 431 treesize of output 437 [2022-11-26 00:18:22,724 INFO L321 Elim1Store]: treesize reduction 226, result has 16.9 percent of original size [2022-11-26 00:18:22,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 436 treesize of output 457 [2022-11-26 00:18:22,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:22,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:23,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:23,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:23,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:23,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:23,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:23,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:23,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:23,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:23,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:23,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:23,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:23,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:23,331 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:23,343 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:23,355 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-26 00:18:23,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:23,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:23,486 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:18:24,800 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '162#(and (= |ULTIMATE.start_main_~data_new~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (not (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-11-26 00:18:24,801 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:18:24,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:18:24,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-26 00:18:24,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120463617] [2022-11-26 00:18:24,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:18:24,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:18:24,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:18:24,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:24,805 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:24,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:24,849 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-11-26 00:18:24,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:18:24,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-26 00:18:24,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:24,851 INFO L225 Difference]: With dead ends: 34 [2022-11-26 00:18:24,851 INFO L226 Difference]: Without dead ends: 25 [2022-11-26 00:18:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:24,854 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:24,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 36 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:18:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-26 00:18:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-26 00:18:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-26 00:18:24,860 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2022-11-26 00:18:24,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:24,861 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-26 00:18:24,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-26 00:18:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:18:24,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:24,863 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:24,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:18:25,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:25,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:25,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:25,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1478446127, now seen corresponding path program 2 times [2022-11-26 00:18:25,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:25,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049358154] [2022-11-26 00:18:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:18:26,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:26,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049358154] [2022-11-26 00:18:26,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049358154] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:18:26,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865658864] [2022-11-26 00:18:26,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:18:26,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:26,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:18:26,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:18:26,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-26 00:18:26,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:18:26,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-26 00:18:26,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:26,510 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:26,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-26 00:18:26,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:18:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-26 00:18:26,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:18:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-26 00:18:26,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865658864] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:18:26,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1009806745] [2022-11-26 00:18:26,912 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-26 00:18:26,913 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:18:26,914 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:18:26,914 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:18:26,915 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:18:26,982 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:18:26,983 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:27,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:18:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,040 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,055 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,081 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 37 [2022-11-26 00:18:27,157 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-26 00:18:27,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-26 00:18:27,239 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:18:27,240 INFO L350 Elim1Store]: Elim1 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 32 treesize of output 53 [2022-11-26 00:18:27,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,372 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 49 [2022-11-26 00:18:27,502 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-26 00:18:27,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-11-26 00:18:27,602 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-26 00:18:27,603 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:27,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,810 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-26 00:18:27,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 390 treesize of output 373 [2022-11-26 00:18:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,872 INFO L321 Elim1Store]: treesize reduction 42, result has 28.8 percent of original size [2022-11-26 00:18:27,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 388 treesize of output 382 [2022-11-26 00:18:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,933 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-26 00:18:27,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 397 treesize of output 384 [2022-11-26 00:18:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:27,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:27,987 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-11-26 00:18:27,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 445 treesize of output 432 [2022-11-26 00:18:28,391 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-11-26 00:18:28,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 436 treesize of output 465 [2022-11-26 00:18:28,461 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-11-26 00:18:28,462 INFO L350 Elim1Store]: Elim1 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 9 case distinctions, treesize of input 431 treesize of output 437 [2022-11-26 00:18:28,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:28,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:28,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:28,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:28,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:28,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:28,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:28,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:28,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:28,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:28,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:28,918 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-26 00:18:28,936 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:28,950 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:29,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:29,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:29,061 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:18:30,494 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '374#(and (= |ULTIMATE.start_main_~data_new~0#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (not (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-11-26 00:18:30,495 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:18:30,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:18:30,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 18 [2022-11-26 00:18:30,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243516448] [2022-11-26 00:18:30,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:18:30,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-26 00:18:30,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:30,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-26 00:18:30,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:18:30,498 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:31,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:31,018 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-26 00:18:31,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:18:31,019 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-26 00:18:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:31,019 INFO L225 Difference]: With dead ends: 33 [2022-11-26 00:18:31,020 INFO L226 Difference]: Without dead ends: 31 [2022-11-26 00:18:31,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-11-26 00:18:31,021 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 89 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:31,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 53 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:18:31,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-26 00:18:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2022-11-26 00:18:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-26 00:18:31,030 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 19 [2022-11-26 00:18:31,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:31,031 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-26 00:18:31,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.0526315789473686) internal successors, (39), 18 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:31,032 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-26 00:18:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:18:31,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:31,033 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:31,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:18:31,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:31,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:31,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:31,241 INFO L85 PathProgramCache]: Analyzing trace with hash -500115451, now seen corresponding path program 1 times [2022-11-26 00:18:31,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:31,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246496268] [2022-11-26 00:18:31,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:31,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:18:32,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:32,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246496268] [2022-11-26 00:18:32,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246496268] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:18:32,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875401629] [2022-11-26 00:18:32,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:32,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:32,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:18:33,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:18:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:33,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-26 00:18:33,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:33,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-26 00:18:33,258 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:18:33,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-26 00:18:33,328 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:18:33,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:18:33,375 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-26 00:18:33,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-26 00:18:33,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:18:33,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:33,589 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 17 [2022-11-26 00:18:33,610 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-26 00:18:33,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 28 [2022-11-26 00:18:33,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:18:33,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:33,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:33,727 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:18:33,728 INFO L350 Elim1Store]: Elim1 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 39 treesize of output 34 [2022-11-26 00:18:33,749 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:18:33,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-26 00:18:33,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-26 00:18:34,039 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:34,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 54 [2022-11-26 00:18:34,089 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-26 00:18:34,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 70 [2022-11-26 00:18:34,107 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:34,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 49 [2022-11-26 00:18:34,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:18:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:18:34,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:18:35,808 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|)) (.cse4 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (let ((.cse0 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse24 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse24 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse24 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse23 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse23 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse23 .cse4)))))))) (.cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse8 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)))))) (.cse9 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) (.cse10 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (and .cse0 .cse1 (or (and (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse3 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse3 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse3 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse0 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))))) .cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse5 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse5 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse5 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) .cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse7 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse7 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse7 .cse4))))))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4))))) .cse8 .cse9) .cse10) (or (and .cse0 .cse9) .cse10) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse10) (or (and .cse1 .cse8) .cse10) .cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse11 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse11 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse11 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse8 .cse9 (or (let ((.cse12 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) (.cse13 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse22 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse22 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse22 .cse4)))))))) (.cse15 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)))))) (.cse16 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse21 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse21 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse21 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse19 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|))))) (and .cse12 .cse13 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse14 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse14 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse14 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))))) .cse15 (or (and .cse13 .cse15) .cse10) (or (and .cse12 .cse16) .cse10) (or (and .cse12 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse17 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse17 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse17 .cse4))))) .cse13 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4))) .cse15 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse18 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse18 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse18 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4))))) .cse16 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse19 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse20 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= (select .cse20 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse20 .cse4)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))))) .cse10) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= (select v_ArrVal_381 .cse2) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse4)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse4)))) .cse10) .cse16 .cse19)) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))))) is different from false [2022-11-26 00:18:38,079 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4))) (let ((.cse0 (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse16 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse23 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse23 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse23 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse20 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse22 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse22 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse22 .cse3)))))))) (.cse2 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)))))) (.cse17 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))))))) (and (or .cse0 (and .cse1 .cse2)) (or .cse0 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (or (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (let ((.cse5 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse14 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse14 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse14 .cse3)))))))) (.cse6 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)))) (.cse7 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)))))) (.cse4 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (.cse8 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse13 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse13 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse13 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|))))) (and .cse4 .cse5 (or .cse0 (and .cse4 .cse5 .cse6 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3))) .cse7 .cse8 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse9 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse9 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse9 .cse3))))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse10 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse10 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse10 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (let ((.cse11 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse11 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse11 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (or .cse0 (and .cse5 .cse7)) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse12 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse12 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse12 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) .cse6 .cse7 .cse8 (or .cse0 (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (or (and .cse4 .cse8) .cse0)))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse15 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse15 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse15 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (or (and .cse16 .cse17) .cse0) (or (and (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse18 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse18 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse18 .cse3)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse19 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse19 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse19 .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3))))))) (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3)) (= (select v_ArrVal_381 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select v_ArrVal_381 .cse3)))) (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) .cse16 .cse20 .cse1 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) .cse3))))) .cse2 .cse17 (forall ((|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int)) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_371 (Array Int Int)) (v_ArrVal_381 (Array Int Int)) (v_ArrVal_374 (Array Int Int))) (let ((.cse21 (select (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_371) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_374) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_381) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) (or (= (select .cse21 4) |c_ULTIMATE.start_main_~data_init~0#1|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select .cse21 .cse3)))))))) .cse0) .cse16 .cse20 .cse1 .cse2 .cse17))) is different from false [2022-11-26 00:18:38,621 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:38,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-11-26 00:18:38,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:38,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-26 00:18:38,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:18:38,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:18:38,651 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,652 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,659 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,660 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,666 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,667 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,673 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,674 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,681 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,681 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,689 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,690 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,697 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,697 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,723 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,724 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,731 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,731 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,739 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,739 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,747 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,747 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,756 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,757 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,766 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,766 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,775 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,776 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,782 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,783 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,789 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,789 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,797 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,798 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,805 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,805 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:38,813 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,813 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,824 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:38,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 45 [2022-11-26 00:18:38,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:38,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:38,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 105 [2022-11-26 00:18:38,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:38,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 101 treesize of output 89 [2022-11-26 00:18:38,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:38,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 47 treesize of output 41 [2022-11-26 00:18:38,891 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,892 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-26 00:18:38,900 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:18:38,900 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 1 [2022-11-26 00:18:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2022-11-26 00:18:39,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875401629] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:18:39,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1165664756] [2022-11-26 00:18:39,158 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-26 00:18:39,159 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:18:39,159 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:18:39,159 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:18:39,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:18:39,216 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:18:39,216 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:39,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:18:39,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,253 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:39,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,277 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 37 [2022-11-26 00:18:39,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,291 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:39,361 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:18:39,362 INFO L350 Elim1Store]: Elim1 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 32 treesize of output 53 [2022-11-26 00:18:39,409 INFO L350 Elim1Store]: Elim1 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 22 treesize of output 30 [2022-11-26 00:18:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,462 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 49 [2022-11-26 00:18:39,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:39,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:39,640 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-26 00:18:39,641 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:39,676 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:39,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:39,872 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-26 00:18:39,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 392 treesize of output 375 [2022-11-26 00:18:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:39,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:39,933 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-26 00:18:39,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 399 treesize of output 386 [2022-11-26 00:18:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:39,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:39,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:40,031 INFO L321 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2022-11-26 00:18:40,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 410 treesize of output 404 [2022-11-26 00:18:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:40,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:40,119 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-26 00:18:40,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 419 treesize of output 406 [2022-11-26 00:18:40,434 INFO L321 Elim1Store]: treesize reduction 218, result has 19.9 percent of original size [2022-11-26 00:18:40,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 450 treesize of output 479 [2022-11-26 00:18:40,483 INFO L321 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2022-11-26 00:18:40,484 INFO L350 Elim1Store]: Elim1 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 9 case distinctions, treesize of input 445 treesize of output 451 [2022-11-26 00:18:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:40,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:40,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:40,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:40,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:40,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:40,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:18:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:40,836 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:40,851 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:40,864 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-26 00:18:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-26 00:18:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:40,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-26 00:18:40,941 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-26 00:18:41,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:41,075 INFO L321 Elim1Store]: treesize reduction 72, result has 37.4 percent of original size [2022-11-26 00:18:41,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 175 treesize of output 164 [2022-11-26 00:18:41,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:41,157 INFO L321 Elim1Store]: treesize reduction 48, result has 42.2 percent of original size [2022-11-26 00:18:41,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 135 [2022-11-26 00:18:41,196 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-11-26 00:18:41,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 23 [2022-11-26 00:18:41,361 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 25 treesize of output 15 [2022-11-26 00:18:41,371 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:18:41,381 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:18:41,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:41,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:41,516 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:18:42,866 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '633#(and (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_main_~data_init~0#1|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#res#1.offset| 0) (<= |ULTIMATE.start_main_~data_init~0#1| 1) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |ULTIMATE.start_sll_circular_create_~last~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (<= 0 |ULTIMATE.start_main_~head~1#1.offset|) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (<= 1 |ULTIMATE.start_main_~data_new~0#1|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |#NULL.base| 0) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-26 00:18:42,867 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:18:42,867 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:18:42,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2022-11-26 00:18:42,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98406317] [2022-11-26 00:18:42,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:18:42,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-26 00:18:42,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:42,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-26 00:18:42,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1011, Unknown=2, NotChecked=130, Total=1260 [2022-11-26 00:18:42,870 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 28 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:45,622 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2022-11-26 00:18:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:18:45,624 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 28 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:18:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:45,625 INFO L225 Difference]: With dead ends: 43 [2022-11-26 00:18:45,625 INFO L226 Difference]: Without dead ends: 41 [2022-11-26 00:18:45,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=310, Invalid=1676, Unknown=2, NotChecked=174, Total=2162 [2022-11-26 00:18:45,628 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 163 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:45,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 48 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 214 Invalid, 0 Unknown, 66 Unchecked, 0.4s Time] [2022-11-26 00:18:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-26 00:18:45,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 30. [2022-11-26 00:18:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-11-26 00:18:45,638 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2022-11-26 00:18:45,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:45,638 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-11-26 00:18:45,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 28 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-26 00:18:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 00:18:45,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:45,640 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:45,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:18:45,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:45,847 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:45,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1674904836, now seen corresponding path program 1 times [2022-11-26 00:18:45,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:45,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407727429] [2022-11-26 00:18:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:18:46,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:46,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407727429] [2022-11-26 00:18:46,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407727429] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:18:46,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764852828] [2022-11-26 00:18:46,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:46,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:46,416 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:18:46,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:18:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:46,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-26 00:18:46,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:46,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-26 00:18:46,616 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:18:46,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:18:46,645 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:18:46,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:18:46,667 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:18:46,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-26 00:18:46,703 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-26 00:18:46,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 00:18:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-26 00:18:46,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-26 00:18:46,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-26 00:18:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:18:46,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:18:46,794 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_533 (Array Int Int))) (not (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_533) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) is different from false [2022-11-26 00:18:46,804 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:46,805 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2022-11-26 00:18:46,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2022-11-26 00:18:46,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-26 00:18:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 4 not checked. [2022-11-26 00:18:47,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764852828] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:18:47,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [179328985] [2022-11-26 00:18:47,019 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-26 00:18:47,019 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:18:47,019 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:18:47,020 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:18:47,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:18:47,067 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:18:47,067 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:47,113 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:18:47,113 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,144 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:47,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,154 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,182 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 37 [2022-11-26 00:18:47,249 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-26 00:18:47,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-26 00:18:47,313 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:18:47,313 INFO L350 Elim1Store]: Elim1 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 32 treesize of output 53 [2022-11-26 00:18:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-26 00:18:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,395 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 49 [2022-11-26 00:18:47,526 INFO L321 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2022-11-26 00:18:47,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 313 treesize of output 322 [2022-11-26 00:18:47,648 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-11-26 00:18:47,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 316 treesize of output 336 [2022-11-26 00:18:48,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:48,286 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-26 00:18:48,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 451 treesize of output 420 [2022-11-26 00:18:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:48,349 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-26 00:18:48,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 449 treesize of output 429 [2022-11-26 00:18:48,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:48,400 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-26 00:18:48,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 458 treesize of output 441 [2022-11-26 00:18:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:48,446 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-26 00:18:48,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 470 treesize of output 453 [2022-11-26 00:18:48,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:48,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,582 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:48,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,599 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 17 [2022-11-26 00:18:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,609 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:48,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:18:48,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:18:48,664 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-26 00:18:48,673 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:48,687 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:18:48,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-26 00:18:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:48,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-11-26 00:18:48,762 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-26 00:18:48,825 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:18:50,673 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '911#(and (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (<= |ULTIMATE.start_sll_circular_create_#in~data#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|)) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_sll_circular_create_#res#1.offset|) (= 2 (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~data_new~0#1|)) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_sll_circular_create_~data#1|) (<= 0 |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (<= 1 |ULTIMATE.start_sll_circular_create_#in~data#1|) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) |ULTIMATE.start_sll_circular_create_~last~0#1.offset|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= |ULTIMATE.start_sll_circular_create_~data#1| 1) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= 5 |ULTIMATE.start_sll_circular_create_#in~len#1|) (<= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 1) (<= |ULTIMATE.start_sll_circular_create_#in~len#1| 5) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |#NULL.base| 0))' at error location [2022-11-26 00:18:50,673 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:18:50,673 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:18:50,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15 [2022-11-26 00:18:50,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359775330] [2022-11-26 00:18:50,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:18:50,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:18:50,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:50,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:18:50,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=483, Unknown=1, NotChecked=44, Total=600 [2022-11-26 00:18:50,676 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:50,977 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-11-26 00:18:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:18:50,978 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-26 00:18:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:50,979 INFO L225 Difference]: With dead ends: 40 [2022-11-26 00:18:50,979 INFO L226 Difference]: Without dead ends: 34 [2022-11-26 00:18:50,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=146, Invalid=727, Unknown=1, NotChecked=56, Total=930 [2022-11-26 00:18:50,981 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 71 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:50,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 58 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 24 Unchecked, 0.1s Time] [2022-11-26 00:18:50,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-26 00:18:50,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2022-11-26 00:18:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-11-26 00:18:50,990 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 23 [2022-11-26 00:18:50,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:50,991 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-11-26 00:18:50,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-26 00:18:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-26 00:18:50,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:50,992 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:51,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:18:51,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:51,200 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:18:51,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:51,201 INFO L85 PathProgramCache]: Analyzing trace with hash 303084655, now seen corresponding path program 2 times [2022-11-26 00:18:51,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:51,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508928083] [2022-11-26 00:18:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:51,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:18:53,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:53,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508928083] [2022-11-26 00:18:53,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508928083] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:18:53,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474474936] [2022-11-26 00:18:53,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:18:53,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:53,492 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:18:53,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c462aa3-491f-454b-842b-fe1b3bfbeff7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:18:54,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-26 00:18:54,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:18:54,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 109 conjunts are in the unsatisfiable core [2022-11-26 00:18:54,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:54,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-26 00:18:54,407 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:18:54,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:18:54,469 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:18:54,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:18:54,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:18:54,646 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-26 00:18:54,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 00:18:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:54,752 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 17 [2022-11-26 00:18:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:54,762 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 17 [2022-11-26 00:18:54,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-26 00:18:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:54,990 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:18:54,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2022-11-26 00:18:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:55,008 INFO L321 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2022-11-26 00:18:55,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:18:55,032 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:18:55,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-26 00:18:55,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:18:55,272 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:18:55,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 80 [2022-11-26 00:18:55,312 INFO L321 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2022-11-26 00:18:55,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 72 [2022-11-26 00:18:55,337 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-26 00:18:55,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:18:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:55,977 INFO L321 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2022-11-26 00:18:55,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 197 treesize of output 151 [2022-11-26 00:18:55,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:55,997 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-26 00:18:55,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 204 treesize of output 215 [2022-11-26 00:18:56,073 INFO L321 Elim1Store]: treesize reduction 54, result has 64.9 percent of original size [2022-11-26 00:18:56,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 270 [2022-11-26 00:18:58,923 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:19:03,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:19:03,448 INFO L321 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2022-11-26 00:19:03,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 122 treesize of output 71 [2022-11-26 00:19:03,463 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-26 00:19:03,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-26 00:19:03,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-26 00:19:03,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:19:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:19:03,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:19:35,801 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_720 Int) (v_ArrVal_724 (Array Int Int)) (v_ArrVal_717 (Array Int Int)) (v_ArrVal_719 Int) (v_ArrVal_707 Int) (v_ArrVal_709 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_712 Int)) (let ((.cse5 (let ((.cse8 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_712)))) (store .cse8 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse8 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse2 (let ((.cse7 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_707)))) (store .cse7 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse7 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse3 (select .cse2 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse6 (select .cse5 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse1 (select .cse6 0)) (.cse4 (select .cse3 0))) (let ((.cse0 (select (select (store .cse5 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse6 4 v_ArrVal_719)) .cse1) .cse4))) (or (= |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| .cse0) (= (select (select (store (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_709) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_717) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_722) .cse1 v_ArrVal_724) .cse0) (+ (select (select (store .cse2 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse3 4 v_ArrVal_720)) .cse1) .cse4) 4)) |c_ULTIMATE.start_main_~data_init~0#1|))))))) (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_720 Int) (v_ArrVal_724 (Array Int Int)) (v_ArrVal_717 (Array Int Int)) (v_ArrVal_719 Int) (v_ArrVal_707 Int) (v_ArrVal_709 (Array Int Int)) (|ULTIMATE.start_sll_circular_create_~new_head~0#1.base| Int) (v_ArrVal_712 Int)) (let ((.cse11 (let ((.cse17 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) 4 v_ArrVal_712)))) (store .cse17 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse17 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)))) (.cse14 (let ((.cse16 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 4 v_ArrVal_707)))) (store .cse16 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse16 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0))))) (let ((.cse15 (select .cse14 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse12 (select .cse11 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base|))) (let ((.cse10 (select .cse12 0)) (.cse13 (select .cse15 0))) (let ((.cse9 (select (select (store .cse14 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse15 4 v_ArrVal_720)) .cse10) .cse13))) (or (= .cse9 0) (= (select (select (store (store (store (store |c_#memory_int| |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_709) |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_717) |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| v_ArrVal_722) .cse10 v_ArrVal_724) (select (select (store .cse11 |ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse12 4 v_ArrVal_719)) .cse10) .cse13)) (+ .cse9 4)) |c_ULTIMATE.start_main_~data_init~0#1|)))))))) is different from false [2022-11-26 00:19:36,565 INFO L321 Elim1Store]: treesize reduction 2493, result has 9.4 percent of original size [2022-11-26 00:19:36,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 487403 treesize of output 486138 [2022-11-26 00:19:36,917 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:19:36,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 602034 treesize of output 544096 [2022-11-26 00:19:37,960 INFO L321 Elim1Store]: treesize reduction 329, result has 31.6 percent of original size [2022-11-26 00:19:37,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 17709478 treesize of output 17676649 [2022-11-26 00:30:54,999 WARN L233 SmtUtils]: Spent 11.28m on a formula simplification. DAG size of input: 2511 DAG size of output: 2499 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-26 00:30:56,153 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:30:56,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 352 treesize of output 354 [2022-11-26 00:31:37,451 WARN L233 SmtUtils]: Spent 41.29s on a formula simplification that was a NOOP. DAG size: 2507 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-26 00:31:38,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-26 00:31:39,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:31:39,882 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:31:39,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 98 [2022-11-26 00:31:41,635 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:31:41,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 276 treesize of output 306 [2022-11-26 00:31:43,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 [2022-11-26 00:31:44,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 [2022-11-26 00:31:45,544 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:31:45,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 96 [2022-11-26 00:31:47,464 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:31:47,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 193 treesize of output 239