./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8 --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 7f777bc0851fa1e32aaa7ec1f7505f1f2e0a2d51 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:47:34,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:47:34,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:47:34,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:47:34,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:47:34,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:47:34,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:47:34,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:47:34,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:47:34,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:47:34,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:47:34,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:47:34,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:47:34,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:47:34,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:47:34,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:47:34,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:47:34,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:47:34,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:47:34,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:47:34,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:47:34,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:47:34,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:47:34,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:47:34,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:47:34,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:47:34,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:47:34,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:47:34,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:47:34,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:47:34,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:47:34,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:47:34,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:47:34,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:47:34,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:47:34,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:47:34,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:47:34,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:47:34,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:47:34,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:47:34,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:47:34,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:47:34,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:47:34,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:47:34,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:47:34,509 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:47:34,510 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:47:34,510 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:47:34,510 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:47:34,510 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:47:34,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:47:34,517 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:47:34,518 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:47:34,518 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:47:34,519 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:47:34,519 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:47:34,519 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:47:34,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:47:34,520 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:47:34,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:47:34,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:47:34,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:47:34,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:47:34,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:47:34,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:47:34,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:47:34,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:47:34,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:47:34,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:47:34,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:47:34,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:47:34,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:47:34,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:47:34,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:47:34,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:47:34,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:47:34,525 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:47:34,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:47:34,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:47:34,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:47:34,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:47:34,527 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f777bc0851fa1e32aaa7ec1f7505f1f2e0a2d51 [2021-10-13 06:47:34,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:47:34,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:47:34,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:47:34,812 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:47:34,813 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:47:34,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-13 06:47:34,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/data/e9a17f78f/6d3accbd5be443d0a86b7c2414a2c24a/FLAG016615324 [2021-10-13 06:47:35,509 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:47:35,510 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-13 06:47:35,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/data/e9a17f78f/6d3accbd5be443d0a86b7c2414a2c24a/FLAG016615324 [2021-10-13 06:47:35,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/data/e9a17f78f/6d3accbd5be443d0a86b7c2414a2c24a [2021-10-13 06:47:35,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:47:35,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:47:35,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:35,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:47:35,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:47:35,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:35" (1/1) ... [2021-10-13 06:47:35,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb258aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:35, skipping insertion in model container [2021-10-13 06:47:35,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:35" (1/1) ... [2021-10-13 06:47:35,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:47:35,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:47:36,070 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-13 06:47:36,079 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-13 06:47:36,083 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-13 06:47:36,097 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-13 06:47:36,099 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-13 06:47:36,101 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-13 06:47:36,103 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-13 06:47:36,105 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-13 06:47:36,107 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-13 06:47:36,109 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-13 06:47:36,110 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-13 06:47:36,112 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-13 06:47:36,114 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-13 06:47:36,116 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-13 06:47:36,488 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-13 06:47:36,493 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-13 06:47:36,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:47:36,517 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:47:36,533 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-13 06:47:36,534 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-13 06:47:36,535 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-13 06:47:36,535 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-13 06:47:36,536 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-13 06:47:36,537 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-13 06:47:36,538 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-13 06:47:36,539 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-13 06:47:36,539 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-13 06:47:36,541 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-13 06:47:36,542 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-13 06:47:36,543 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-13 06:47:36,544 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-13 06:47:36,544 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-13 06:47:36,717 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-13 06:47:36,722 WARN L228 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_95406120-e323-4d12-8092-3b38d284d452/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-13 06:47:36,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:47:36,747 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:47:36,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36 WrapperNode [2021-10-13 06:47:36,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:36,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:47:36,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:47:36,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:47:36,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:47:36,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:47:36,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:47:36,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:47:36,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:36,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:47:36,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:47:36,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:47:36,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:47:36,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (1/1) ... [2021-10-13 06:47:37,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:47:37,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:47:37,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:47:37,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:47:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:47:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:47:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:47:37,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:47:38,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:47:38,441 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 06:47:38,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:47:38 BoogieIcfgContainer [2021-10-13 06:47:38,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:47:38,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:47:38,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:47:38,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:47:38,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:47:35" (1/3) ... [2021-10-13 06:47:38,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476be410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:47:38, skipping insertion in model container [2021-10-13 06:47:38,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:36" (2/3) ... [2021-10-13 06:47:38,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476be410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:47:38, skipping insertion in model container [2021-10-13 06:47:38,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:47:38" (3/3) ... [2021-10-13 06:47:38,455 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2021-10-13 06:47:38,462 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:47:38,462 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-13 06:47:38,544 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:47:38,558 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:47:38,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-13 06:47:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 285 states have (on average 1.975438596491228) internal successors, (563), 301 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 06:47:38,599 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:38,599 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 06:47:38,600 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:38,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:38,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1144680186, now seen corresponding path program 1 times [2021-10-13 06:47:38,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:38,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121996425] [2021-10-13 06:47:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:38,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:38,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:38,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121996425] [2021-10-13 06:47:38,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121996425] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:38,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:38,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:47:38,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838353081] [2021-10-13 06:47:38,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:38,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:38,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:38,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:38,830 INFO L87 Difference]: Start difference. First operand has 302 states, 285 states have (on average 1.975438596491228) internal successors, (563), 301 states have internal predecessors, (563), 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:39,401 INFO L93 Difference]: Finished difference Result 310 states and 568 transitions. [2021-10-13 06:47:39,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:47:39,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2021-10-13 06:47:39,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:39,416 INFO L225 Difference]: With dead ends: 310 [2021-10-13 06:47:39,416 INFO L226 Difference]: Without dead ends: 297 [2021-10-13 06:47:39,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:39,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-10-13 06:47:39,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2021-10-13 06:47:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 282 states have (on average 1.4893617021276595) internal successors, (420), 296 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 420 transitions. [2021-10-13 06:47:39,472 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 420 transitions. Word has length 6 [2021-10-13 06:47:39,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:39,472 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 420 transitions. [2021-10-13 06:47:39,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 420 transitions. [2021-10-13 06:47:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 06:47:39,473 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:39,473 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:39,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 06:47:39,474 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:39,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:39,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1125351449, now seen corresponding path program 1 times [2021-10-13 06:47:39,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:39,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674219322] [2021-10-13 06:47:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:39,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:39,554 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:39,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674219322] [2021-10-13 06:47:39,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674219322] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:39,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:39,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:47:39,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719197217] [2021-10-13 06:47:39,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:47:39,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:47:39,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:39,557 INFO L87 Difference]: Start difference. First operand 297 states and 420 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2021-10-13 06:47:40,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:40,183 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2021-10-13 06:47:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:47:40,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 [2021-10-13 06:47:40,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:40,186 INFO L225 Difference]: With dead ends: 304 [2021-10-13 06:47:40,187 INFO L226 Difference]: Without dead ends: 299 [2021-10-13 06:47:40,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:40,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-13 06:47:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 292. [2021-10-13 06:47:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 278 states have (on average 1.276978417266187) internal successors, (355), 291 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2021-10-13 06:47:40,205 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 7 [2021-10-13 06:47:40,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:40,205 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2021-10-13 06:47:40,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2021-10-13 06:47:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2021-10-13 06:47:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 06:47:40,206 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:40,206 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:40,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 06:47:40,206 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:40,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:40,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1144463368, now seen corresponding path program 1 times [2021-10-13 06:47:40,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:40,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996535711] [2021-10-13 06:47:40,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:40,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:40,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:40,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996535711] [2021-10-13 06:47:40,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996535711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:40,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:40,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:47:40,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15342191] [2021-10-13 06:47:40,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:40,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:40,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:40,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:40,274 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-10-13 06:47:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:40,664 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2021-10-13 06:47:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:47:40,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 [2021-10-13 06:47:40,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:40,666 INFO L225 Difference]: With dead ends: 292 [2021-10-13 06:47:40,667 INFO L226 Difference]: Without dead ends: 290 [2021-10-13 06:47:40,667 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:40,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-13 06:47:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-10-13 06:47:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 277 states have (on average 1.2743682310469313) internal successors, (353), 289 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2021-10-13 06:47:40,678 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 7 [2021-10-13 06:47:40,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:40,678 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2021-10-13 06:47:40,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-10-13 06:47:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2021-10-13 06:47:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 06:47:40,679 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:40,679 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:40,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 06:47:40,680 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:40,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:40,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1118630114, now seen corresponding path program 1 times [2021-10-13 06:47:40,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:40,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689700942] [2021-10-13 06:47:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:40,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:40,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:40,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689700942] [2021-10-13 06:47:40,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689700942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:40,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:40,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:47:40,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966405469] [2021-10-13 06:47:40,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:40,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:40,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:40,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:40,763 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:41,075 INFO L93 Difference]: Finished difference Result 295 states and 358 transitions. [2021-10-13 06:47:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:41,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 06:47:41,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:41,077 INFO L225 Difference]: With dead ends: 295 [2021-10-13 06:47:41,077 INFO L226 Difference]: Without dead ends: 293 [2021-10-13 06:47:41,078 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:41,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-13 06:47:41,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2021-10-13 06:47:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 280 states have (on average 1.2714285714285714) internal successors, (356), 292 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2021-10-13 06:47:41,086 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2021-10-13 06:47:41,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:41,086 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2021-10-13 06:47:41,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2021-10-13 06:47:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 06:47:41,087 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:41,088 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:41,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 06:47:41,088 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:41,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:41,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1261843174, now seen corresponding path program 1 times [2021-10-13 06:47:41,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:41,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396630856] [2021-10-13 06:47:41,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:41,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:41,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:41,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396630856] [2021-10-13 06:47:41,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396630856] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:41,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:41,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:47:41,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358305312] [2021-10-13 06:47:41,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:47:41,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:41,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:47:41,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:41,187 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:41,749 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2021-10-13 06:47:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:41,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 [2021-10-13 06:47:41,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:41,751 INFO L225 Difference]: With dead ends: 293 [2021-10-13 06:47:41,751 INFO L226 Difference]: Without dead ends: 291 [2021-10-13 06:47:41,751 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:41,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-13 06:47:41,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-10-13 06:47:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 279 states have (on average 1.2688172043010753) internal successors, (354), 290 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2021-10-13 06:47:41,761 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 10 [2021-10-13 06:47:41,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:41,762 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2021-10-13 06:47:41,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2021-10-13 06:47:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 06:47:41,763 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:41,763 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:41,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 06:47:41,764 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:41,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:41,764 INFO L82 PathProgramCache]: Analyzing trace with hash 462436822, now seen corresponding path program 1 times [2021-10-13 06:47:41,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:41,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087889687] [2021-10-13 06:47:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:41,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:41,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:41,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087889687] [2021-10-13 06:47:41,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087889687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:41,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:41,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:47:41,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964896112] [2021-10-13 06:47:41,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:41,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:41,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:41,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:41,818 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:42,130 INFO L93 Difference]: Finished difference Result 291 states and 354 transitions. [2021-10-13 06:47:42,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:47:42,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2021-10-13 06:47:42,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:42,136 INFO L225 Difference]: With dead ends: 291 [2021-10-13 06:47:42,137 INFO L226 Difference]: Without dead ends: 287 [2021-10-13 06:47:42,137 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:42,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-10-13 06:47:42,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2021-10-13 06:47:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 276 states have (on average 1.2681159420289856) internal successors, (350), 286 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2021-10-13 06:47:42,147 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 11 [2021-10-13 06:47:42,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:42,147 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2021-10-13 06:47:42,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2021-10-13 06:47:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 06:47:42,149 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:42,149 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:42,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 06:47:42,149 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:42,150 INFO L82 PathProgramCache]: Analyzing trace with hash -959031714, now seen corresponding path program 1 times [2021-10-13 06:47:42,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:42,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500053798] [2021-10-13 06:47:42,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:42,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:42,278 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:42,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500053798] [2021-10-13 06:47:42,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500053798] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:42,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:42,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:42,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669878005] [2021-10-13 06:47:42,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:42,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:42,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:42,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:42,280 INFO L87 Difference]: Start difference. First operand 287 states and 350 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:42,835 INFO L93 Difference]: Finished difference Result 315 states and 380 transitions. [2021-10-13 06:47:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:47:42,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2021-10-13 06:47:42,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:42,837 INFO L225 Difference]: With dead ends: 315 [2021-10-13 06:47:42,837 INFO L226 Difference]: Without dead ends: 313 [2021-10-13 06:47:42,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:47:42,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-10-13 06:47:42,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2021-10-13 06:47:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 276 states have (on average 1.2681159420289856) internal successors, (350), 286 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2021-10-13 06:47:42,845 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 12 [2021-10-13 06:47:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:42,845 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2021-10-13 06:47:42,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2021-10-13 06:47:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 06:47:42,846 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:42,846 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:42,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 06:47:42,847 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:42,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:42,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1465785465, now seen corresponding path program 1 times [2021-10-13 06:47:42,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:42,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569214044] [2021-10-13 06:47:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:42,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:42,891 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:42,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569214044] [2021-10-13 06:47:42,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569214044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:42,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:42,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:47:42,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180260038] [2021-10-13 06:47:42,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:47:42,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:42,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:47:42,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:42,893 INFO L87 Difference]: Start difference. First operand 287 states and 350 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:43,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:43,394 INFO L93 Difference]: Finished difference Result 307 states and 372 transitions. [2021-10-13 06:47:43,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:43,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-10-13 06:47:43,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:43,397 INFO L225 Difference]: With dead ends: 307 [2021-10-13 06:47:43,397 INFO L226 Difference]: Without dead ends: 305 [2021-10-13 06:47:43,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:43,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-13 06:47:43,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2021-10-13 06:47:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 275 states have (on average 1.2654545454545454) internal successors, (348), 284 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2021-10-13 06:47:43,407 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 12 [2021-10-13 06:47:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:43,407 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2021-10-13 06:47:43,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2021-10-13 06:47:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 06:47:43,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:43,408 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:43,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 06:47:43,409 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:43,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:43,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1467509369, now seen corresponding path program 1 times [2021-10-13 06:47:43,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:43,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625697709] [2021-10-13 06:47:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:43,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:43,453 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:43,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625697709] [2021-10-13 06:47:43,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625697709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:43,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:43,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:47:43,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584972431] [2021-10-13 06:47:43,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:47:43,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:43,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:47:43,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:43,456 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:43,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:43,972 INFO L93 Difference]: Finished difference Result 288 states and 351 transitions. [2021-10-13 06:47:43,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:43,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-10-13 06:47:43,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:43,975 INFO L225 Difference]: With dead ends: 288 [2021-10-13 06:47:43,975 INFO L226 Difference]: Without dead ends: 286 [2021-10-13 06:47:43,976 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:43,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-10-13 06:47:43,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2021-10-13 06:47:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 274 states have (on average 1.2627737226277371) internal successors, (346), 282 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2021-10-13 06:47:43,986 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 12 [2021-10-13 06:47:43,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:43,986 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2021-10-13 06:47:43,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2021-10-13 06:47:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:47:43,989 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:43,989 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:43,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 06:47:43,990 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:43,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1805286727, now seen corresponding path program 1 times [2021-10-13 06:47:43,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:43,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522018613] [2021-10-13 06:47:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:43,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:44,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:44,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522018613] [2021-10-13 06:47:44,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522018613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:44,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:44,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:44,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405356780] [2021-10-13 06:47:44,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:44,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:44,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:44,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:44,128 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:44,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:44,633 INFO L93 Difference]: Finished difference Result 321 states and 388 transitions. [2021-10-13 06:47:44,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:47:44,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2021-10-13 06:47:44,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:44,636 INFO L225 Difference]: With dead ends: 321 [2021-10-13 06:47:44,636 INFO L226 Difference]: Without dead ends: 319 [2021-10-13 06:47:44,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:47:44,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-13 06:47:44,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 291. [2021-10-13 06:47:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 282 states have (on average 1.2624113475177305) internal successors, (356), 290 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2021-10-13 06:47:44,648 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 13 [2021-10-13 06:47:44,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:44,648 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2021-10-13 06:47:44,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2021-10-13 06:47:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:47:44,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:44,650 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:44,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 06:47:44,650 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:44,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:44,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1803739582, now seen corresponding path program 1 times [2021-10-13 06:47:44,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:44,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927470765] [2021-10-13 06:47:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:44,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:44,695 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:44,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927470765] [2021-10-13 06:47:44,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927470765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:44,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:44,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:47:44,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714041613] [2021-10-13 06:47:44,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:47:44,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:44,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:47:44,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:44,698 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:45,231 INFO L93 Difference]: Finished difference Result 311 states and 378 transitions. [2021-10-13 06:47:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:45,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2021-10-13 06:47:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:45,234 INFO L225 Difference]: With dead ends: 311 [2021-10-13 06:47:45,234 INFO L226 Difference]: Without dead ends: 309 [2021-10-13 06:47:45,234 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.0ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:45,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-13 06:47:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 289. [2021-10-13 06:47:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 281 states have (on average 1.2597864768683273) internal successors, (354), 288 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 354 transitions. [2021-10-13 06:47:45,244 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 354 transitions. Word has length 13 [2021-10-13 06:47:45,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:45,244 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 354 transitions. [2021-10-13 06:47:45,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 354 transitions. [2021-10-13 06:47:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:47:45,245 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:45,245 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:45,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 06:47:45,246 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:45,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:45,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1751845647, now seen corresponding path program 1 times [2021-10-13 06:47:45,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:45,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362473091] [2021-10-13 06:47:45,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:45,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:45,343 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:45,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362473091] [2021-10-13 06:47:45,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362473091] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:45,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:45,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:45,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649915913] [2021-10-13 06:47:45,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:45,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:45,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:45,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:45,348 INFO L87 Difference]: Start difference. First operand 289 states and 354 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:45,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:45,738 INFO L93 Difference]: Finished difference Result 299 states and 364 transitions. [2021-10-13 06:47:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:47:45,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2021-10-13 06:47:45,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:45,741 INFO L225 Difference]: With dead ends: 299 [2021-10-13 06:47:45,741 INFO L226 Difference]: Without dead ends: 295 [2021-10-13 06:47:45,741 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 27.0ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:47:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-13 06:47:45,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 290. [2021-10-13 06:47:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.2588652482269505) internal successors, (355), 289 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2021-10-13 06:47:45,750 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 13 [2021-10-13 06:47:45,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:45,751 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2021-10-13 06:47:45,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2021-10-13 06:47:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 06:47:45,752 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:45,752 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:45,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 06:47:45,753 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:45,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:45,753 INFO L82 PathProgramCache]: Analyzing trace with hash -81348045, now seen corresponding path program 1 times [2021-10-13 06:47:45,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:45,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013615036] [2021-10-13 06:47:45,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:45,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:45,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:45,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013615036] [2021-10-13 06:47:45,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013615036] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:45,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:45,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:45,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173390519] [2021-10-13 06:47:45,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:45,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:45,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:45,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:45,842 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:46,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:46,239 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2021-10-13 06:47:46,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:47:46,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2021-10-13 06:47:46,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:46,241 INFO L225 Difference]: With dead ends: 316 [2021-10-13 06:47:46,241 INFO L226 Difference]: Without dead ends: 314 [2021-10-13 06:47:46,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:47:46,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-10-13 06:47:46,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 293. [2021-10-13 06:47:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 285 states have (on average 1.256140350877193) internal successors, (358), 292 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 358 transitions. [2021-10-13 06:47:46,251 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 358 transitions. Word has length 14 [2021-10-13 06:47:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:46,251 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 358 transitions. [2021-10-13 06:47:46,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 358 transitions. [2021-10-13 06:47:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 06:47:46,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:46,253 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:46,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 06:47:46,253 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:46,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:46,254 INFO L82 PathProgramCache]: Analyzing trace with hash 286370844, now seen corresponding path program 1 times [2021-10-13 06:47:46,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:46,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399601822] [2021-10-13 06:47:46,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:46,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:46,300 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:46,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399601822] [2021-10-13 06:47:46,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399601822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:46,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:46,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:47:46,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066265585] [2021-10-13 06:47:46,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:46,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:46,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:46,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:46,302 INFO L87 Difference]: Start difference. First operand 293 states and 358 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:46,471 INFO L93 Difference]: Finished difference Result 293 states and 358 transitions. [2021-10-13 06:47:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:47:46,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2021-10-13 06:47:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:46,473 INFO L225 Difference]: With dead ends: 293 [2021-10-13 06:47:46,473 INFO L226 Difference]: Without dead ends: 291 [2021-10-13 06:47:46,474 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-13 06:47:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-10-13 06:47:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 284 states have (on average 1.2535211267605635) internal successors, (356), 290 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2021-10-13 06:47:46,482 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 15 [2021-10-13 06:47:46,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:46,483 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2021-10-13 06:47:46,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2021-10-13 06:47:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:47:46,484 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:46,484 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:46,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 06:47:46,484 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:46,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:46,485 INFO L82 PathProgramCache]: Analyzing trace with hash 15602792, now seen corresponding path program 1 times [2021-10-13 06:47:46,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:46,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153142297] [2021-10-13 06:47:46,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:46,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:46,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:46,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153142297] [2021-10-13 06:47:46,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153142297] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:46,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:46,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:46,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252130948] [2021-10-13 06:47:46,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:46,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:46,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:46,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:46,536 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:47,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:47,017 INFO L93 Difference]: Finished difference Result 291 states and 356 transitions. [2021-10-13 06:47:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:47:47,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2021-10-13 06:47:47,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:47,023 INFO L225 Difference]: With dead ends: 291 [2021-10-13 06:47:47,023 INFO L226 Difference]: Without dead ends: 289 [2021-10-13 06:47:47,024 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:47:47,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-10-13 06:47:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2021-10-13 06:47:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 280 states have (on average 1.2535714285714286) internal successors, (351), 285 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 351 transitions. [2021-10-13 06:47:47,035 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 351 transitions. Word has length 16 [2021-10-13 06:47:47,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:47,035 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 351 transitions. [2021-10-13 06:47:47,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 351 transitions. [2021-10-13 06:47:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:47:47,036 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:47,036 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:47,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 06:47:47,037 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:47,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:47,038 INFO L82 PathProgramCache]: Analyzing trace with hash 287565703, now seen corresponding path program 1 times [2021-10-13 06:47:47,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:47,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591494658] [2021-10-13 06:47:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:47,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:47,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:47,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:47,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591494658] [2021-10-13 06:47:47,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591494658] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:47,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:47,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:47:47,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741442944] [2021-10-13 06:47:47,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:47,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:47,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:47,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:47,103 INFO L87 Difference]: Start difference. First operand 286 states and 351 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:47,339 INFO L93 Difference]: Finished difference Result 286 states and 351 transitions. [2021-10-13 06:47:47,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:47:47,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2021-10-13 06:47:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:47,341 INFO L225 Difference]: With dead ends: 286 [2021-10-13 06:47:47,341 INFO L226 Difference]: Without dead ends: 282 [2021-10-13 06:47:47,342 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:47:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-13 06:47:47,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-13 06:47:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.2527075812274369) internal successors, (347), 281 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 347 transitions. [2021-10-13 06:47:47,350 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 347 transitions. Word has length 16 [2021-10-13 06:47:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:47,351 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 347 transitions. [2021-10-13 06:47:47,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 347 transitions. [2021-10-13 06:47:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:47:47,352 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:47,352 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:47,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 06:47:47,353 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:47,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1860971197, now seen corresponding path program 1 times [2021-10-13 06:47:47,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:47,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342930182] [2021-10-13 06:47:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:47,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:47,408 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:47,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342930182] [2021-10-13 06:47:47,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342930182] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:47,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:47,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:47,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258845938] [2021-10-13 06:47:47,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:47,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:47,410 INFO L87 Difference]: Start difference. First operand 282 states and 347 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-13 06:47:47,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:47,900 INFO L93 Difference]: Finished difference Result 296 states and 363 transitions. [2021-10-13 06:47:47,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:47:47,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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 17 [2021-10-13 06:47:47,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:47,902 INFO L225 Difference]: With dead ends: 296 [2021-10-13 06:47:47,902 INFO L226 Difference]: Without dead ends: 294 [2021-10-13 06:47:47,902 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:47:47,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-13 06:47:47,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 278. [2021-10-13 06:47:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 274 states have (on average 1.2518248175182483) internal successors, (343), 277 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 343 transitions. [2021-10-13 06:47:47,910 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 343 transitions. Word has length 17 [2021-10-13 06:47:47,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:47,911 INFO L470 AbstractCegarLoop]: Abstraction has 278 states and 343 transitions. [2021-10-13 06:47:47,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-13 06:47:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 343 transitions. [2021-10-13 06:47:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:47:47,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:47,912 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:47,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 06:47:47,912 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:47,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:47,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1914412277, now seen corresponding path program 1 times [2021-10-13 06:47:47,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:47,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729284449] [2021-10-13 06:47:47,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:47,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:47,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:47,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729284449] [2021-10-13 06:47:47,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729284449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:47,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:47,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:47,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307057548] [2021-10-13 06:47:47,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:47,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:47,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:47,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:47,966 INFO L87 Difference]: Start difference. First operand 278 states and 343 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-13 06:47:48,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:48,400 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2021-10-13 06:47:48,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:48,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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 17 [2021-10-13 06:47:48,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:48,402 INFO L225 Difference]: With dead ends: 278 [2021-10-13 06:47:48,403 INFO L226 Difference]: Without dead ends: 274 [2021-10-13 06:47:48,403 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:47:48,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-10-13 06:47:48,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2021-10-13 06:47:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 271 states have (on average 1.2509225092250922) internal successors, (339), 273 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 339 transitions. [2021-10-13 06:47:48,412 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 339 transitions. Word has length 17 [2021-10-13 06:47:48,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:48,412 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 339 transitions. [2021-10-13 06:47:48,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-13 06:47:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 339 transitions. [2021-10-13 06:47:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:47:48,413 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:48,413 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:48,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-13 06:47:48,414 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:48,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:48,414 INFO L82 PathProgramCache]: Analyzing trace with hash 339721299, now seen corresponding path program 1 times [2021-10-13 06:47:48,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:48,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334419562] [2021-10-13 06:47:48,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:48,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:48,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:48,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334419562] [2021-10-13 06:47:48,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334419562] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:48,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:48,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:48,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863468808] [2021-10-13 06:47:48,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:48,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:48,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:48,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:48,484 INFO L87 Difference]: Start difference. First operand 274 states and 339 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-13 06:47:48,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:48,985 INFO L93 Difference]: Finished difference Result 283 states and 350 transitions. [2021-10-13 06:47:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:47:48,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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 17 [2021-10-13 06:47:48,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:48,987 INFO L225 Difference]: With dead ends: 283 [2021-10-13 06:47:48,987 INFO L226 Difference]: Without dead ends: 249 [2021-10-13 06:47:48,988 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 43.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:47:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-13 06:47:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-10-13 06:47:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 247 states have (on average 1.008097165991903) internal successors, (249), 248 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2021-10-13 06:47:48,994 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 17 [2021-10-13 06:47:48,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:48,994 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2021-10-13 06:47:48,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-13 06:47:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2021-10-13 06:47:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-10-13 06:47:49,002 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:49,002 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:49,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-13 06:47:49,003 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:49,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:49,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1536774122, now seen corresponding path program 1 times [2021-10-13 06:47:49,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:49,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242383001] [2021-10-13 06:47:49,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:49,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:50,992 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:50,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242383001] [2021-10-13 06:47:50,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242383001] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:50,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:50,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-10-13 06:47:50,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882498451] [2021-10-13 06:47:50,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-10-13 06:47:50,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-10-13 06:47:50,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2021-10-13 06:47:50,998 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand has 63 states, 63 states have (on average 3.857142857142857) internal successors, (243), 63 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:51,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:51,915 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2021-10-13 06:47:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-13 06:47:51,916 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.857142857142857) internal successors, (243), 63 states have internal predecessors, (243), 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 243 [2021-10-13 06:47:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:51,918 INFO L225 Difference]: With dead ends: 250 [2021-10-13 06:47:51,918 INFO L226 Difference]: Without dead ends: 248 [2021-10-13 06:47:51,920 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1547.6ms TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2021-10-13 06:47:51,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-10-13 06:47:51,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 247. [2021-10-13 06:47:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.0040650406504066) internal successors, (247), 246 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2021-10-13 06:47:51,926 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 243 [2021-10-13 06:47:51,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:51,928 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2021-10-13 06:47:51,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.857142857142857) internal successors, (243), 63 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2021-10-13 06:47:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-13 06:47:51,932 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:51,933 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:51,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-13 06:47:51,933 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-13 06:47:51,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:51,934 INFO L82 PathProgramCache]: Analyzing trace with hash -395352156, now seen corresponding path program 1 times [2021-10-13 06:47:51,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:47:51,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146036571] [2021-10-13 06:47:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:51,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:47:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:52,305 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:47:52,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146036571] [2021-10-13 06:47:52,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146036571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:52,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:52,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:47:52,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48859132] [2021-10-13 06:47:52,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:47:52,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:47:52,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:47:52,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:47:52,311 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:52,778 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2021-10-13 06:47:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:47:52,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 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 244 [2021-10-13 06:47:52,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:52,780 INFO L225 Difference]: With dead ends: 249 [2021-10-13 06:47:52,780 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:47:52,781 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:47:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:47:52,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:47:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:47:52,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2021-10-13 06:47:52,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:52,782 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:47:52,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:47:52,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:47:52,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,787 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,787 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,787 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,788 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,790 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,790 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,790 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:52,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-13 06:47:52,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:47:52,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:52,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:52,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:52,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:52,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:52,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:52,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:53,114 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2021-10-13 06:47:53,114 INFO L857 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2021-10-13 06:47:53,114 INFO L857 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2021-10-13 06:47:53,114 INFO L857 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2021-10-13 06:47:53,114 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2021-10-13 06:47:53,114 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2021-10-13 06:47:53,115 INFO L857 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-10-13 06:47:53,116 INFO L857 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2021-10-13 06:47:53,117 INFO L857 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2021-10-13 06:47:53,117 INFO L857 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2021-10-13 06:47:53,117 INFO L857 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2021-10-13 06:47:53,117 INFO L857 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2021-10-13 06:47:53,117 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2021-10-13 06:47:53,117 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2021-10-13 06:47:53,117 INFO L860 garLoopResultBuilder]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2021-10-13 06:47:53,118 INFO L857 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2021-10-13 06:47:53,119 INFO L857 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2021-10-13 06:47:53,120 INFO L857 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2021-10-13 06:47:53,120 INFO L857 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2021-10-13 06:47:53,120 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-10-13 06:47:53,120 INFO L857 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2021-10-13 06:47:53,120 INFO L857 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2021-10-13 06:47:53,120 INFO L857 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2021-10-13 06:47:53,120 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2021-10-13 06:47:53,122 INFO L857 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2021-10-13 06:47:53,122 INFO L857 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2021-10-13 06:47:53,122 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2021-10-13 06:47:53,122 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-13 06:47:53,122 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2021-10-13 06:47:53,122 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2021-10-13 06:47:53,123 INFO L857 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2021-10-13 06:47:53,123 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2021-10-13 06:47:53,123 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2021-10-13 06:47:53,123 INFO L857 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2021-10-13 06:47:53,123 INFO L857 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2021-10-13 06:47:53,123 INFO L857 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2021-10-13 06:47:53,124 INFO L853 garLoopResultBuilder]: At program point L2625(lines 25 3002) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 0 ULTIMATE.start_main_~main__t~0)) [2021-10-13 06:47:53,124 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2021-10-13 06:47:53,124 INFO L857 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2021-10-13 06:47:53,124 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2021-10-13 06:47:53,124 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2021-10-13 06:47:53,124 INFO L857 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2021-10-13 06:47:53,125 INFO L857 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2021-10-13 06:47:53,125 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2021-10-13 06:47:53,125 INFO L857 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2021-10-13 06:47:53,125 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2021-10-13 06:47:53,125 INFO L857 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2021-10-13 06:47:53,125 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2021-10-13 06:47:53,125 INFO L857 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2021-10-13 06:47:53,126 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2021-10-13 06:47:53,126 INFO L857 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2021-10-13 06:47:53,126 INFO L857 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2021-10-13 06:47:53,126 INFO L857 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2021-10-13 06:47:53,126 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2021-10-13 06:47:53,126 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2021-10-13 06:47:53,127 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-13 06:47:53,127 INFO L857 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2021-10-13 06:47:53,127 INFO L857 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2021-10-13 06:47:53,127 INFO L857 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2021-10-13 06:47:53,127 INFO L857 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2021-10-13 06:47:53,128 INFO L857 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2021-10-13 06:47:53,128 INFO L857 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2021-10-13 06:47:53,128 INFO L857 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2021-10-13 06:47:53,128 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2021-10-13 06:47:53,128 INFO L857 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2021-10-13 06:47:53,128 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2021-10-13 06:47:53,129 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2021-10-13 06:47:53,129 INFO L857 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2021-10-13 06:47:53,129 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2021-10-13 06:47:53,129 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2021-10-13 06:47:53,129 INFO L857 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2021-10-13 06:47:53,129 INFO L857 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2021-10-13 06:47:53,130 INFO L857 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-10-13 06:47:53,130 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2021-10-13 06:47:53,130 INFO L857 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2021-10-13 06:47:53,130 INFO L857 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2021-10-13 06:47:53,130 INFO L853 garLoopResultBuilder]: At program point L2634(lines 64 3001) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 0 ULTIMATE.start_main_~main__t~0)) [2021-10-13 06:47:53,130 INFO L857 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2021-10-13 06:47:53,131 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:47:53,131 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-13 06:47:53,131 INFO L857 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2021-10-13 06:47:53,131 INFO L857 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2021-10-13 06:47:53,131 INFO L857 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2021-10-13 06:47:53,132 INFO L857 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2021-10-13 06:47:53,132 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2021-10-13 06:47:53,132 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2021-10-13 06:47:53,132 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2021-10-13 06:47:53,132 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-13 06:47:53,132 INFO L857 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2021-10-13 06:47:53,133 INFO L857 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2021-10-13 06:47:53,133 INFO L857 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2021-10-13 06:47:53,133 INFO L857 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2021-10-13 06:47:53,133 INFO L857 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2021-10-13 06:47:53,133 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2021-10-13 06:47:53,134 INFO L857 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2021-10-13 06:47:53,134 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2021-10-13 06:47:53,134 INFO L857 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2021-10-13 06:47:53,134 INFO L857 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2021-10-13 06:47:53,134 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2021-10-13 06:47:53,134 INFO L857 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2021-10-13 06:47:53,135 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2021-10-13 06:47:53,135 INFO L857 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2021-10-13 06:47:53,135 INFO L853 garLoopResultBuilder]: At program point L2640(lines 2591 2647) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 59 ULTIMATE.start_main_~main__t~0)) [2021-10-13 06:47:53,135 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2021-10-13 06:47:53,135 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2021-10-13 06:47:53,136 INFO L857 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2021-10-13 06:47:53,136 INFO L857 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2021-10-13 06:47:53,136 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2021-10-13 06:47:53,136 INFO L857 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2021-10-13 06:47:53,136 INFO L857 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2021-10-13 06:47:53,136 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2021-10-13 06:47:53,137 INFO L857 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2021-10-13 06:47:53,137 INFO L857 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2021-10-13 06:47:53,137 INFO L857 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2021-10-13 06:47:53,137 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2021-10-13 06:47:53,137 INFO L857 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2021-10-13 06:47:53,138 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2021-10-13 06:47:53,138 INFO L857 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2021-10-13 06:47:53,138 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2021-10-13 06:47:53,138 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-10-13 06:47:53,138 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2021-10-13 06:47:53,138 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2021-10-13 06:47:53,139 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2021-10-13 06:47:53,139 INFO L857 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2021-10-13 06:47:53,139 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2021-10-13 06:47:53,139 INFO L857 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-10-13 06:47:53,139 INFO L857 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2021-10-13 06:47:53,139 INFO L857 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2021-10-13 06:47:53,140 INFO L857 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2021-10-13 06:47:53,140 INFO L857 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2021-10-13 06:47:53,140 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2021-10-13 06:47:53,140 INFO L857 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2021-10-13 06:47:53,140 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2021-10-13 06:47:53,141 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2021-10-13 06:47:53,141 INFO L857 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2021-10-13 06:47:53,141 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2021-10-13 06:47:53,141 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2021-10-13 06:47:53,141 INFO L857 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2021-10-13 06:47:53,141 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2021-10-13 06:47:53,142 INFO L857 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2021-10-13 06:47:53,142 INFO L857 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2021-10-13 06:47:53,142 INFO L857 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2021-10-13 06:47:53,142 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2021-10-13 06:47:53,142 INFO L857 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2021-10-13 06:47:53,143 INFO L857 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2021-10-13 06:47:53,143 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2021-10-13 06:47:53,143 INFO L857 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2021-10-13 06:47:53,143 INFO L857 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2021-10-13 06:47:53,143 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2021-10-13 06:47:53,143 INFO L857 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2021-10-13 06:47:53,144 INFO L857 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2021-10-13 06:47:53,144 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2021-10-13 06:47:53,144 INFO L857 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2021-10-13 06:47:53,144 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-13 06:47:53,144 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2021-10-13 06:47:53,144 INFO L857 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2021-10-13 06:47:53,145 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2021-10-13 06:47:53,145 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2021-10-13 06:47:53,145 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-13 06:47:53,145 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-10-13 06:47:53,145 INFO L857 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2021-10-13 06:47:53,146 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2021-10-13 06:47:53,146 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2021-10-13 06:47:53,146 INFO L857 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2021-10-13 06:47:53,146 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2021-10-13 06:47:53,146 INFO L857 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2021-10-13 06:47:53,146 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2021-10-13 06:47:53,147 INFO L857 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2021-10-13 06:47:53,147 INFO L857 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2021-10-13 06:47:53,147 INFO L857 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2021-10-13 06:47:53,147 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2021-10-13 06:47:53,147 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2021-10-13 06:47:53,148 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2021-10-13 06:47:53,148 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2021-10-13 06:47:53,148 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-13 06:47:53,148 INFO L857 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2021-10-13 06:47:53,148 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2021-10-13 06:47:53,148 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2021-10-13 06:47:53,149 INFO L857 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2021-10-13 06:47:53,149 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2021-10-13 06:47:53,149 INFO L857 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2021-10-13 06:47:53,149 INFO L857 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2021-10-13 06:47:53,149 INFO L857 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2021-10-13 06:47:53,149 INFO L857 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2021-10-13 06:47:53,150 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2021-10-13 06:47:53,150 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2021-10-13 06:47:53,150 INFO L853 garLoopResultBuilder]: At program point L280(lines 132 282) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2021-10-13 06:47:53,150 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2021-10-13 06:47:53,150 INFO L857 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2021-10-13 06:47:53,151 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2021-10-13 06:47:53,151 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2021-10-13 06:47:53,151 INFO L857 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2021-10-13 06:47:53,151 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2021-10-13 06:47:53,151 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2021-10-13 06:47:53,151 INFO L857 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2021-10-13 06:47:53,152 INFO L857 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2021-10-13 06:47:53,152 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2021-10-13 06:47:53,152 INFO L857 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2021-10-13 06:47:53,152 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2021-10-13 06:47:53,152 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2021-10-13 06:47:53,152 INFO L857 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2021-10-13 06:47:53,153 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2021-10-13 06:47:53,153 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:47:53,153 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2021-10-13 06:47:53,153 INFO L857 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2021-10-13 06:47:53,153 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2021-10-13 06:47:53,154 INFO L857 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2021-10-13 06:47:53,154 INFO L857 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2021-10-13 06:47:53,154 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2021-10-13 06:47:53,154 INFO L857 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2021-10-13 06:47:53,154 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2021-10-13 06:47:53,154 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-10-13 06:47:53,155 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-13 06:47:53,155 INFO L857 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2021-10-13 06:47:53,155 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2021-10-13 06:47:53,155 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2021-10-13 06:47:53,155 INFO L857 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2021-10-13 06:47:53,156 INFO L857 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2021-10-13 06:47:53,156 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2021-10-13 06:47:53,156 INFO L857 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2021-10-13 06:47:53,156 INFO L857 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2021-10-13 06:47:53,156 INFO L857 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2021-10-13 06:47:53,156 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2021-10-13 06:47:53,157 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-10-13 06:47:53,157 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2021-10-13 06:47:53,157 INFO L857 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2021-10-13 06:47:53,157 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2021-10-13 06:47:53,157 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-13 06:47:53,158 INFO L857 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2021-10-13 06:47:53,158 INFO L857 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2021-10-13 06:47:53,158 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2021-10-13 06:47:53,158 INFO L857 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2021-10-13 06:47:53,158 INFO L857 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2021-10-13 06:47:53,158 INFO L857 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2021-10-13 06:47:53,159 INFO L857 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2021-10-13 06:47:53,159 INFO L857 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2021-10-13 06:47:53,159 INFO L857 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2021-10-13 06:47:53,159 INFO L857 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2021-10-13 06:47:53,159 INFO L857 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2021-10-13 06:47:53,160 INFO L857 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2021-10-13 06:47:53,160 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2021-10-13 06:47:53,160 INFO L857 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2021-10-13 06:47:53,160 INFO L857 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2021-10-13 06:47:53,160 INFO L853 garLoopResultBuilder]: At program point L226(lines 92 284) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2021-10-13 06:47:53,161 INFO L857 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2021-10-13 06:47:53,161 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2021-10-13 06:47:53,161 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2021-10-13 06:47:53,161 INFO L857 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2021-10-13 06:47:53,161 INFO L857 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2021-10-13 06:47:53,161 INFO L857 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2021-10-13 06:47:53,162 INFO L857 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2021-10-13 06:47:53,162 INFO L857 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2021-10-13 06:47:53,162 INFO L857 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2021-10-13 06:47:53,162 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2021-10-13 06:47:53,162 INFO L857 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2021-10-13 06:47:53,162 INFO L857 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2021-10-13 06:47:53,163 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2021-10-13 06:47:53,163 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2021-10-13 06:47:53,163 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2021-10-13 06:47:53,163 INFO L857 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2021-10-13 06:47:53,163 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2021-10-13 06:47:53,163 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2021-10-13 06:47:53,164 INFO L860 garLoopResultBuilder]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2021-10-13 06:47:53,164 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2021-10-13 06:47:53,164 INFO L857 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2021-10-13 06:47:53,164 INFO L857 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2021-10-13 06:47:53,164 INFO L857 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2021-10-13 06:47:53,164 INFO L857 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2021-10-13 06:47:53,165 INFO L857 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2021-10-13 06:47:53,165 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-13 06:47:53,165 INFO L857 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2021-10-13 06:47:53,165 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2021-10-13 06:47:53,165 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-13 06:47:53,170 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:47:53,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:47:53 BoogieIcfgContainer [2021-10-13 06:47:53,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:47:53,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:47:53,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:47:53,188 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:47:53,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:47:38" (3/4) ... [2021-10-13 06:47:53,191 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:47:53,229 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 06:47:53,232 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 06:47:53,236 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:47:53,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:47:53,429 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:47:53,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:47:53,430 INFO L168 Benchmark]: Toolchain (without parser) took 17673.90 ms. Allocated memory was 119.5 MB in the beginning and 234.9 MB in the end (delta: 115.3 MB). Free memory was 83.1 MB in the beginning and 146.6 MB in the end (delta: -63.6 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:53,431 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 77.6 MB. Free memory was 48.5 MB in the beginning and 48.4 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:47:53,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.67 ms. Allocated memory is still 119.5 MB. Free memory was 82.9 MB in the beginning and 66.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:53,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.62 ms. Allocated memory is still 119.5 MB. Free memory was 66.3 MB in the beginning and 60.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:53,432 INFO L168 Benchmark]: Boogie Preprocessor took 96.78 ms. Allocated memory is still 119.5 MB. Free memory was 59.5 MB in the beginning and 55.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:53,433 INFO L168 Benchmark]: RCFGBuilder took 1456.77 ms. Allocated memory is still 119.5 MB. Free memory was 55.3 MB in the beginning and 43.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:53,433 INFO L168 Benchmark]: TraceAbstraction took 14738.98 ms. Allocated memory was 119.5 MB in the beginning and 234.9 MB in the end (delta: 115.3 MB). Free memory was 43.4 MB in the beginning and 176.3 MB in the end (delta: -133.0 MB). Peak memory consumption was 70.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:53,433 INFO L168 Benchmark]: Witness Printer took 241.43 ms. Allocated memory is still 234.9 MB. Free memory was 175.3 MB in the beginning and 146.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:53,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 77.6 MB. Free memory was 48.5 MB in the beginning and 48.4 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 987.67 ms. Allocated memory is still 119.5 MB. Free memory was 82.9 MB in the beginning and 66.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.62 ms. Allocated memory is still 119.5 MB. Free memory was 66.3 MB in the beginning and 60.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.78 ms. Allocated memory is still 119.5 MB. Free memory was 59.5 MB in the beginning and 55.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1456.77 ms. Allocated memory is still 119.5 MB. Free memory was 55.3 MB in the beginning and 43.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14738.98 ms. Allocated memory was 119.5 MB in the beginning and 234.9 MB in the end (delta: 115.3 MB). Free memory was 43.4 MB in the beginning and 176.3 MB in the end (delta: -133.0 MB). Peak memory consumption was 70.4 MB. Max. memory is 16.1 GB. * Witness Printer took 241.43 ms. Allocated memory is still 234.9 MB. Free memory was 175.3 MB in the beginning and 146.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 117]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 219]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 14627.6ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 37.7ms, AutomataDifference: 9991.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 322.8ms, InitialAbstractionConstructionTime: 27.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3990 SDtfs, 5872 SDslu, 5360 SDs, 0 SdLazy, 13084 SolverSat, 1467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7055.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1993.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 212.4ms AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 18 NumberOfFragments, 53 HoareAnnotationTreeSize, 7 FomulaSimplifications, 10172 FormulaSimplificationTreeSizeReduction, 114.9ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 4318 FormulaSimplificationTreeSizeReductionInter, 200.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 121.2ms SsaConstructionTime, 546.4ms SatisfiabilityAnalysisTime, 2999.7ms InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 1730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((main__t <= main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((main__t < main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 59 <= main__t RESULT: Ultimate proved your program to be correct! [2021-10-13 06:47:53,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95406120-e323-4d12-8092-3b38d284d452/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...