./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:15:48,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:15:48,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:15:48,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:15:48,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:15:48,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:15:48,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:15:48,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:15:48,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:15:48,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:15:48,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:15:48,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:15:48,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:15:48,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:15:48,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:15:48,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:15:48,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:15:48,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:15:48,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:15:48,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:15:48,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:15:48,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:15:48,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:15:48,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:15:48,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:15:48,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:15:48,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:15:48,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:15:48,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:15:48,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:15:48,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:15:48,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:15:48,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:15:48,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:15:48,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:15:48,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:15:48,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:15:48,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:15:48,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:15:48,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:15:48,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:15:48,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:15:48,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:15:48,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:15:48,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:15:48,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:15:48,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:15:48,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:15:48,453 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:15:48,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:15:48,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:15:48,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:15:48,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:15:48,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:15:48,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:15:48,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:15:48,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:15:48,456 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:15:48,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:15:48,456 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:15:48,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:15:48,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:15:48,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:15:48,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:15:48,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:15:48,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:15:48,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:15:48,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:15:48,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:15:48,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:15:48,459 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:15:48,459 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:15:48,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:15:48,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:15:48,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b [2021-10-28 23:15:48,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:15:48,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:15:48,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:15:48,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:15:48,853 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:15:48,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-28 23:15:48,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/data/3ca164a29/4426afa17bce40e6a705fc52f86ce38a/FLAG57f3db351 [2021-10-28 23:15:49,525 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:15:49,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-28 23:15:49,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/data/3ca164a29/4426afa17bce40e6a705fc52f86ce38a/FLAG57f3db351 [2021-10-28 23:15:49,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/data/3ca164a29/4426afa17bce40e6a705fc52f86ce38a [2021-10-28 23:15:49,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:15:49,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:15:49,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:15:49,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:15:49,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:15:49,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:49" (1/1) ... [2021-10-28 23:15:49,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179a62d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:49, skipping insertion in model container [2021-10-28 23:15:49,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:49" (1/1) ... [2021-10-28 23:15:49,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:15:49,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:15:50,165 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-28 23:15:50,170 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-28 23:15:50,173 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-28 23:15:50,175 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-28 23:15:50,177 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-28 23:15:50,179 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-28 23:15:50,182 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-28 23:15:50,183 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-28 23:15:50,185 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-28 23:15:50,187 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-28 23:15:50,188 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-28 23:15:50,190 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-28 23:15:50,192 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-28 23:15:50,194 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-28 23:15:50,566 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-28 23:15:50,572 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-28 23:15:50,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:15:50,598 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:15:50,611 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-28 23:15:50,612 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-28 23:15:50,613 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-28 23:15:50,614 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-28 23:15:50,615 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-28 23:15:50,615 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-28 23:15:50,617 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-28 23:15:50,618 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-28 23:15:50,619 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-28 23:15:50,620 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-28 23:15:50,621 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-28 23:15:50,622 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-28 23:15:50,623 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-28 23:15:50,624 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-28 23:15:50,809 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-28 23:15:50,813 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_e23a9ea0-c484-49d4-8f34-f5c438b1c954/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-28 23:15:50,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:15:50,837 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:15:50,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50 WrapperNode [2021-10-28 23:15:50,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:15:50,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:15:50,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:15:50,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:15:50,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:50,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:50,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:15:50,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:15:50,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:15:50,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:15:50,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:50,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:50,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:50,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:51,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:51,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:51,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:51,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:15:51,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:15:51,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:15:51,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:15:51,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (1/1) ... [2021-10-28 23:15:51,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:15:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:51,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:51,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:15:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:15:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:15:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:15:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:15:52,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:15:52,623 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 23:15:52,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:52 BoogieIcfgContainer [2021-10-28 23:15:52,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:15:52,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:15:52,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:15:52,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:15:52,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:15:49" (1/3) ... [2021-10-28 23:15:52,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7c7aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:52, skipping insertion in model container [2021-10-28 23:15:52,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:50" (2/3) ... [2021-10-28 23:15:52,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7c7aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:52, skipping insertion in model container [2021-10-28 23:15:52,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:52" (3/3) ... [2021-10-28 23:15:52,637 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2021-10-28 23:15:52,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:15:52,644 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-28 23:15:52,716 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:15:52,725 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-10-28 23:15:52,725 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-28 23:15:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 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) [2021-10-28 23:15:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-28 23:15:52,764 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:52,764 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:52,765 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)] === [2021-10-28 23:15:52,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:52,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2021-10-28 23:15:52,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:52,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268823145] [2021-10-28 23:15:52,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:52,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:53,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:53,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268823145] [2021-10-28 23:15:53,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268823145] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:53,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:53,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:15:53,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099332840] [2021-10-28 23:15:53,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:53,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:53,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:53,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:53,098 INFO L87 Difference]: Start difference. First operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 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 1.75) 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) [2021-10-28 23:15:53,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:53,792 INFO L93 Difference]: Finished difference Result 315 states and 573 transitions. [2021-10-28 23:15:53,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:53,794 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 [2021-10-28 23:15:53,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:53,807 INFO L225 Difference]: With dead ends: 315 [2021-10-28 23:15:53,807 INFO L226 Difference]: Without dead ends: 298 [2021-10-28 23:15:53,810 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:53,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-28 23:15:53,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-10-28 23:15:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 297 states have internal predecessors, (421), 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) [2021-10-28 23:15:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2021-10-28 23:15:53,888 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2021-10-28 23:15:53,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:53,889 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2021-10-28 23:15:53,889 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) [2021-10-28 23:15:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2021-10-28 23:15:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-28 23:15:53,890 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:53,890 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:53,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:15:53,891 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)] === [2021-10-28 23:15:53,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:53,892 INFO L85 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2021-10-28 23:15:53,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:53,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987244617] [2021-10-28 23:15:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:53,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:53,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:53,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987244617] [2021-10-28 23:15:53,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987244617] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:53,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:53,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:15:53,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107115573] [2021-10-28 23:15:53,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:15:53,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:53,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:15:53,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:53,970 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-28 23:15:54,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:54,373 INFO L93 Difference]: Finished difference Result 305 states and 428 transitions. [2021-10-28 23:15:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:54,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 [2021-10-28 23:15:54,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:54,378 INFO L225 Difference]: With dead ends: 305 [2021-10-28 23:15:54,378 INFO L226 Difference]: Without dead ends: 300 [2021-10-28 23:15:54,379 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:54,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-10-28 23:15:54,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 293. [2021-10-28 23:15:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 279 states have (on average 1.2759856630824373) 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) [2021-10-28 23:15:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2021-10-28 23:15:54,394 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2021-10-28 23:15:54,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:54,394 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2021-10-28 23:15:54,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-28 23:15:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2021-10-28 23:15:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-28 23:15:54,396 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:54,396 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:54,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:15:54,396 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)] === [2021-10-28 23:15:54,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:54,397 INFO L85 PathProgramCache]: Analyzing trace with hash 137513629, now seen corresponding path program 1 times [2021-10-28 23:15:54,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:54,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094804288] [2021-10-28 23:15:54,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:54,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:54,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:54,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094804288] [2021-10-28 23:15:54,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094804288] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:54,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:54,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:15:54,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195263538] [2021-10-28 23:15:54,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:54,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:54,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:54,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:54,463 INFO L87 Difference]: Start difference. First operand 293 states and 356 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) [2021-10-28 23:15:54,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:54,867 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2021-10-28 23:15:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:54,867 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 [2021-10-28 23:15:54,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:54,869 INFO L225 Difference]: With dead ends: 293 [2021-10-28 23:15:54,869 INFO L226 Difference]: Without dead ends: 291 [2021-10-28 23:15:54,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:54,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-28 23:15:54,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-10-28 23:15:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 278 states have (on average 1.2733812949640289) 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) [2021-10-28 23:15:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2021-10-28 23:15:54,879 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2021-10-28 23:15:54,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:54,879 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2021-10-28 23:15:54,879 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) [2021-10-28 23:15:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2021-10-28 23:15:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 23:15:54,880 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:54,880 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:54,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:15:54,880 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)] === [2021-10-28 23:15:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash -32040723, now seen corresponding path program 1 times [2021-10-28 23:15:54,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:54,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689805113] [2021-10-28 23:15:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:54,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:54,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:54,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689805113] [2021-10-28 23:15:54,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689805113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:54,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:54,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:15:54,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658618514] [2021-10-28 23:15:54,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:54,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:54,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:54,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:54,998 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 23:15:55,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:55,311 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2021-10-28 23:15:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:15:55,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2021-10-28 23:15:55,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:55,315 INFO L225 Difference]: With dead ends: 296 [2021-10-28 23:15:55,315 INFO L226 Difference]: Without dead ends: 294 [2021-10-28 23:15:55,315 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:55,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-28 23:15:55,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-10-28 23:15:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 281 states have (on average 1.2704626334519573) internal successors, (357), 293 states have internal predecessors, (357), 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) [2021-10-28 23:15:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2021-10-28 23:15:55,326 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2021-10-28 23:15:55,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:55,326 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2021-10-28 23:15:55,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 23:15:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2021-10-28 23:15:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:15:55,327 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:55,327 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:55,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:15:55,328 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)] === [2021-10-28 23:15:55,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:55,330 INFO L85 PathProgramCache]: Analyzing trace with hash -726236111, now seen corresponding path program 1 times [2021-10-28 23:15:55,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:55,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261201840] [2021-10-28 23:15:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:55,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:55,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:55,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261201840] [2021-10-28 23:15:55,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261201840] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:55,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:55,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:15:55,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625887664] [2021-10-28 23:15:55,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:15:55,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:55,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:15:55,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:55,425 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2021-10-28 23:15:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:55,989 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2021-10-28 23:15:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:15:55,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 [2021-10-28 23:15:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:55,991 INFO L225 Difference]: With dead ends: 294 [2021-10-28 23:15:55,991 INFO L226 Difference]: Without dead ends: 292 [2021-10-28 23:15:55,992 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-28 23:15:55,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-28 23:15:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 280 states have (on average 1.2678571428571428) 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) [2021-10-28 23:15:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2021-10-28 23:15:56,001 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2021-10-28 23:15:56,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:56,001 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2021-10-28 23:15:56,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2021-10-28 23:15:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2021-10-28 23:15:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 23:15:56,002 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:56,003 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:56,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:15:56,003 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)] === [2021-10-28 23:15:56,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1038478869, now seen corresponding path program 1 times [2021-10-28 23:15:56,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:56,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713616448] [2021-10-28 23:15:56,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:56,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:56,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:56,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713616448] [2021-10-28 23:15:56,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713616448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:56,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:56,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:15:56,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201188245] [2021-10-28 23:15:56,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:56,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:56,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:56,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:56,047 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-10-28 23:15:56,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:56,315 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2021-10-28 23:15:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:56,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 [2021-10-28 23:15:56,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:56,317 INFO L225 Difference]: With dead ends: 292 [2021-10-28 23:15:56,317 INFO L226 Difference]: Without dead ends: 288 [2021-10-28 23:15:56,318 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:56,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-10-28 23:15:56,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2021-10-28 23:15:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 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) [2021-10-28 23:15:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-10-28 23:15:56,324 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2021-10-28 23:15:56,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:56,324 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-10-28 23:15:56,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-10-28 23:15:56,324 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-10-28 23:15:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:15:56,325 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:56,325 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:56,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:15:56,325 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)] === [2021-10-28 23:15:56,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:56,326 INFO L85 PathProgramCache]: Analyzing trace with hash -242777879, now seen corresponding path program 1 times [2021-10-28 23:15:56,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:56,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308771860] [2021-10-28 23:15:56,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:56,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:56,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:56,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308771860] [2021-10-28 23:15:56,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308771860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:56,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:56,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:15:56,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225335544] [2021-10-28 23:15:56,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:15:56,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:56,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:15:56,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:56,507 INFO L87 Difference]: Start difference. First operand 288 states and 351 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) [2021-10-28 23:15:56,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:56,954 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2021-10-28 23:15:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:15:56,955 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 [2021-10-28 23:15:56,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:56,957 INFO L225 Difference]: With dead ends: 316 [2021-10-28 23:15:56,957 INFO L226 Difference]: Without dead ends: 314 [2021-10-28 23:15:56,958 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:15:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-10-28 23:15:56,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2021-10-28 23:15:56,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 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) [2021-10-28 23:15:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-10-28 23:15:56,966 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 13 [2021-10-28 23:15:56,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:56,966 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-10-28 23:15:56,967 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) [2021-10-28 23:15:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-10-28 23:15:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:15:56,967 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:56,968 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:56,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:15:56,968 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)] === [2021-10-28 23:15:56,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2112927996, now seen corresponding path program 1 times [2021-10-28 23:15:56,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:56,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360423553] [2021-10-28 23:15:56,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:56,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:57,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:57,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360423553] [2021-10-28 23:15:57,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360423553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:57,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:57,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:15:57,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042741306] [2021-10-28 23:15:57,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:15:57,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:15:57,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:57,012 INFO L87 Difference]: Start difference. First operand 288 states and 351 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) [2021-10-28 23:15:57,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:57,553 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2021-10-28 23:15:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:15:57,554 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 [2021-10-28 23:15:57,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:57,556 INFO L225 Difference]: With dead ends: 308 [2021-10-28 23:15:57,556 INFO L226 Difference]: Without dead ends: 306 [2021-10-28 23:15:57,556 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:57,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-28 23:15:57,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2021-10-28 23:15:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 276 states have (on average 1.2644927536231885) internal successors, (349), 285 states have internal predecessors, (349), 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) [2021-10-28 23:15:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2021-10-28 23:15:57,567 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2021-10-28 23:15:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:57,570 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2021-10-28 23:15:57,570 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) [2021-10-28 23:15:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2021-10-28 23:15:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:15:57,572 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:57,572 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:57,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:15:57,575 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)] === [2021-10-28 23:15:57,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:57,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2111204092, now seen corresponding path program 1 times [2021-10-28 23:15:57,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:57,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734450214] [2021-10-28 23:15:57,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:57,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:57,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:57,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734450214] [2021-10-28 23:15:57,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734450214] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:57,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:57,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:15:57,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134572892] [2021-10-28 23:15:57,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:15:57,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:57,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:15:57,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:57,648 INFO L87 Difference]: Start difference. First operand 286 states and 349 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) [2021-10-28 23:15:58,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:58,165 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2021-10-28 23:15:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:15:58,165 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 [2021-10-28 23:15:58,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:58,167 INFO L225 Difference]: With dead ends: 289 [2021-10-28 23:15:58,167 INFO L226 Difference]: Without dead ends: 287 [2021-10-28 23:15:58,168 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:58,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-10-28 23:15:58,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2021-10-28 23:15:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 275 states have (on average 1.2618181818181817) internal successors, (347), 283 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) [2021-10-28 23:15:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2021-10-28 23:15:58,175 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2021-10-28 23:15:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:58,176 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2021-10-28 23:15:58,176 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) [2021-10-28 23:15:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2021-10-28 23:15:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:15:58,181 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:58,181 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:58,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:15:58,182 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)] === [2021-10-28 23:15:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:58,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1076254322, now seen corresponding path program 1 times [2021-10-28 23:15:58,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:58,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060057067] [2021-10-28 23:15:58,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:58,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:58,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:58,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060057067] [2021-10-28 23:15:58,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060057067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:58,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:58,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:15:58,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295190575] [2021-10-28 23:15:58,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:15:58,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:58,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:15:58,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:58,328 INFO L87 Difference]: Start difference. First operand 284 states and 347 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) [2021-10-28 23:15:58,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:58,772 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2021-10-28 23:15:58,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:15:58,773 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 [2021-10-28 23:15:58,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:58,775 INFO L225 Difference]: With dead ends: 322 [2021-10-28 23:15:58,775 INFO L226 Difference]: Without dead ends: 320 [2021-10-28 23:15:58,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:15:58,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-10-28 23:15:58,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 292. [2021-10-28 23:15:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 283 states have (on average 1.2614840989399294) internal successors, (357), 291 states have internal predecessors, (357), 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) [2021-10-28 23:15:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-10-28 23:15:58,783 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 14 [2021-10-28 23:15:58,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:58,783 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-10-28 23:15:58,784 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) [2021-10-28 23:15:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-10-28 23:15:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:15:58,784 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:58,785 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:58,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:15:58,785 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)] === [2021-10-28 23:15:58,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:58,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1074707177, now seen corresponding path program 1 times [2021-10-28 23:15:58,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:58,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816558755] [2021-10-28 23:15:58,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:58,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:58,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:58,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816558755] [2021-10-28 23:15:58,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816558755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:58,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:58,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:15:58,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7544992] [2021-10-28 23:15:58,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:15:58,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:58,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:15:58,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:58,823 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2021-10-28 23:15:59,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:59,353 INFO L93 Difference]: Finished difference Result 312 states and 379 transitions. [2021-10-28 23:15:59,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:15:59,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 [2021-10-28 23:15:59,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:59,356 INFO L225 Difference]: With dead ends: 312 [2021-10-28 23:15:59,356 INFO L226 Difference]: Without dead ends: 310 [2021-10-28 23:15:59,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-28 23:15:59,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2021-10-28 23:15:59,366 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) [2021-10-28 23:15:59,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2021-10-28 23:15:59,368 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2021-10-28 23:15:59,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:59,369 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2021-10-28 23:15:59,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2021-10-28 23:15:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2021-10-28 23:15:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:15:59,372 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:59,372 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:59,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:15:59,373 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)] === [2021-10-28 23:15:59,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:59,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1022813242, now seen corresponding path program 1 times [2021-10-28 23:15:59,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:59,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25302647] [2021-10-28 23:15:59,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:59,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:59,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:59,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25302647] [2021-10-28 23:15:59,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25302647] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:59,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:59,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:15:59,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274087492] [2021-10-28 23:15:59,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:15:59,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:59,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:15:59,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:59,492 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) [2021-10-28 23:15:59,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:59,927 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2021-10-28 23:15:59,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:15:59,928 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 [2021-10-28 23:15:59,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:59,929 INFO L225 Difference]: With dead ends: 300 [2021-10-28 23:15:59,930 INFO L226 Difference]: Without dead ends: 296 [2021-10-28 23:15:59,930 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:15:59,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-28 23:15:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2021-10-28 23:15:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 283 states have (on average 1.2579505300353357) 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) [2021-10-28 23:15:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2021-10-28 23:15:59,942 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2021-10-28 23:15:59,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:59,944 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2021-10-28 23:15:59,944 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) [2021-10-28 23:15:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2021-10-28 23:15:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:15:59,945 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:59,946 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:59,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:15:59,946 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)] === [2021-10-28 23:15:59,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:59,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1043820030, now seen corresponding path program 1 times [2021-10-28 23:15:59,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:59,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434723130] [2021-10-28 23:15:59,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:59,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:00,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:00,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434723130] [2021-10-28 23:16:00,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434723130] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:00,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:00,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:16:00,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361768241] [2021-10-28 23:16:00,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:16:00,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:00,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:16:00,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:00,048 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 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) [2021-10-28 23:16:00,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:00,605 INFO L93 Difference]: Finished difference Result 317 states and 384 transitions. [2021-10-28 23:16:00,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:16:00,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 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 [2021-10-28 23:16:00,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:00,607 INFO L225 Difference]: With dead ends: 317 [2021-10-28 23:16:00,607 INFO L226 Difference]: Without dead ends: 315 [2021-10-28 23:16:00,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:16:00,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-10-28 23:16:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2021-10-28 23:16:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 286 states have (on average 1.2552447552447552) internal successors, (359), 293 states have internal predecessors, (359), 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) [2021-10-28 23:16:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2021-10-28 23:16:00,617 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2021-10-28 23:16:00,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:00,617 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2021-10-28 23:16:00,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 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) [2021-10-28 23:16:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2021-10-28 23:16:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:16:00,618 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:00,618 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:00,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:16:00,619 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)] === [2021-10-28 23:16:00,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:00,619 INFO L85 PathProgramCache]: Analyzing trace with hash 806842801, now seen corresponding path program 1 times [2021-10-28 23:16:00,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:00,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226785994] [2021-10-28 23:16:00,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:00,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:00,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:00,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226785994] [2021-10-28 23:16:00,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226785994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:00,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:00,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:16:00,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673697315] [2021-10-28 23:16:00,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:16:00,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:00,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:16:00,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:16:00,657 INFO L87 Difference]: Start difference. First operand 294 states and 359 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) [2021-10-28 23:16:00,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:00,858 INFO L93 Difference]: Finished difference Result 294 states and 359 transitions. [2021-10-28 23:16:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:16:00,859 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 [2021-10-28 23:16:00,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:00,861 INFO L225 Difference]: With dead ends: 294 [2021-10-28 23:16:00,861 INFO L226 Difference]: Without dead ends: 292 [2021-10-28 23:16:00,861 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-28 23:16:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-28 23:16:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 285 states have (on average 1.2526315789473683) internal successors, (357), 291 states have internal predecessors, (357), 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) [2021-10-28 23:16:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-10-28 23:16:00,870 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2021-10-28 23:16:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:00,871 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-10-28 23:16:00,871 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) [2021-10-28 23:16:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-10-28 23:16:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:16:00,871 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:00,871 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:00,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:16:00,872 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)] === [2021-10-28 23:16:00,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1029635725, now seen corresponding path program 1 times [2021-10-28 23:16:00,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:00,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978330541] [2021-10-28 23:16:00,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:00,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:00,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:00,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978330541] [2021-10-28 23:16:00,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978330541] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:00,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:00,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:16:00,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711504616] [2021-10-28 23:16:00,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:16:00,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:00,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:16:00,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:00,932 INFO L87 Difference]: Start difference. First operand 292 states and 357 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) [2021-10-28 23:16:01,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:01,450 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2021-10-28 23:16:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:16:01,450 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 [2021-10-28 23:16:01,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:01,452 INFO L225 Difference]: With dead ends: 292 [2021-10-28 23:16:01,452 INFO L226 Difference]: Without dead ends: 290 [2021-10-28 23:16:01,453 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:16:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-28 23:16:01,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2021-10-28 23:16:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 286 states have internal predecessors, (352), 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) [2021-10-28 23:16:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2021-10-28 23:16:01,462 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 17 [2021-10-28 23:16:01,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:01,462 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2021-10-28 23:16:01,463 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) [2021-10-28 23:16:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2021-10-28 23:16:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:16:01,463 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:01,464 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:01,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:16:01,464 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)] === [2021-10-28 23:16:01,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:01,465 INFO L85 PathProgramCache]: Analyzing trace with hash -757672814, now seen corresponding path program 1 times [2021-10-28 23:16:01,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:01,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920300388] [2021-10-28 23:16:01,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:01,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:01,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:01,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920300388] [2021-10-28 23:16:01,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920300388] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:01,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:01,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:16:01,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065209021] [2021-10-28 23:16:01,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:16:01,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:01,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:16:01,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:16:01,494 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2021-10-28 23:16:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:01,766 INFO L93 Difference]: Finished difference Result 287 states and 352 transitions. [2021-10-28 23:16:01,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:16:01,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 [2021-10-28 23:16:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:01,769 INFO L225 Difference]: With dead ends: 287 [2021-10-28 23:16:01,769 INFO L226 Difference]: Without dead ends: 283 [2021-10-28 23:16:01,769 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-28 23:16:01,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2021-10-28 23:16:01,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 278 states have (on average 1.2517985611510791) internal successors, (348), 282 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) [2021-10-28 23:16:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2021-10-28 23:16:01,778 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2021-10-28 23:16:01,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:01,778 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2021-10-28 23:16:01,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) [2021-10-28 23:16:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2021-10-28 23:16:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:16:01,779 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:01,779 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:01,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:16:01,780 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)] === [2021-10-28 23:16:01,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:01,780 INFO L85 PathProgramCache]: Analyzing trace with hash -476651758, now seen corresponding path program 1 times [2021-10-28 23:16:01,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:01,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077843126] [2021-10-28 23:16:01,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:01,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:01,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:01,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077843126] [2021-10-28 23:16:01,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077843126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:01,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:01,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:16:01,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545128092] [2021-10-28 23:16:01,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:16:01,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:16:01,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:01,848 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-28 23:16:02,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:02,377 INFO L93 Difference]: Finished difference Result 297 states and 364 transitions. [2021-10-28 23:16:02,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:16:02,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2021-10-28 23:16:02,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:02,380 INFO L225 Difference]: With dead ends: 297 [2021-10-28 23:16:02,380 INFO L226 Difference]: Without dead ends: 295 [2021-10-28 23:16:02,380 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:16:02,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-28 23:16:02,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 279. [2021-10-28 23:16:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 275 states have (on average 1.250909090909091) internal successors, (344), 278 states have internal predecessors, (344), 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) [2021-10-28 23:16:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 344 transitions. [2021-10-28 23:16:02,388 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 344 transitions. Word has length 18 [2021-10-28 23:16:02,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:02,392 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 344 transitions. [2021-10-28 23:16:02,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-28 23:16:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 344 transitions. [2021-10-28 23:16:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:16:02,393 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:02,393 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:02,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:16:02,394 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)] === [2021-10-28 23:16:02,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:02,394 INFO L85 PathProgramCache]: Analyzing trace with hash -423210678, now seen corresponding path program 1 times [2021-10-28 23:16:02,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:02,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107777837] [2021-10-28 23:16:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:02,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:02,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:02,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107777837] [2021-10-28 23:16:02,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107777837] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:02,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:02,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:16:02,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639430742] [2021-10-28 23:16:02,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:16:02,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:02,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:16:02,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:02,467 INFO L87 Difference]: Start difference. First operand 279 states and 344 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-28 23:16:02,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:02,945 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2021-10-28 23:16:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:16:02,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2021-10-28 23:16:02,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:02,948 INFO L225 Difference]: With dead ends: 279 [2021-10-28 23:16:02,948 INFO L226 Difference]: Without dead ends: 275 [2021-10-28 23:16:02,949 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:16:02,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-28 23:16:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-10-28 23:16:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.25) internal successors, (340), 274 states have internal predecessors, (340), 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) [2021-10-28 23:16:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 340 transitions. [2021-10-28 23:16:02,958 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 340 transitions. Word has length 18 [2021-10-28 23:16:02,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:02,958 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 340 transitions. [2021-10-28 23:16:02,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-28 23:16:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 340 transitions. [2021-10-28 23:16:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:16:02,959 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:02,959 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:02,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:16:02,960 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)] === [2021-10-28 23:16:02,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:02,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1997901656, now seen corresponding path program 1 times [2021-10-28 23:16:02,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:02,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538785952] [2021-10-28 23:16:02,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:02,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:03,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:03,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538785952] [2021-10-28 23:16:03,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538785952] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:03,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:03,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:16:03,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727372400] [2021-10-28 23:16:03,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:16:03,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:03,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:16:03,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:03,015 INFO L87 Difference]: Start difference. First operand 275 states and 340 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-28 23:16:03,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:03,496 INFO L93 Difference]: Finished difference Result 284 states and 351 transitions. [2021-10-28 23:16:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:16:03,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2021-10-28 23:16:03,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:03,498 INFO L225 Difference]: With dead ends: 284 [2021-10-28 23:16:03,498 INFO L226 Difference]: Without dead ends: 250 [2021-10-28 23:16:03,499 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:16:03,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-10-28 23:16:03,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-10-28 23:16:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 248 states have (on average 1.0080645161290323) internal successors, (250), 249 states have internal predecessors, (250), 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) [2021-10-28 23:16:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2021-10-28 23:16:03,505 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2021-10-28 23:16:03,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:03,505 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2021-10-28 23:16:03,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-28 23:16:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2021-10-28 23:16:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-28 23:16:03,511 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:03,511 INFO L513 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] [2021-10-28 23:16:03,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:16:03,512 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)] === [2021-10-28 23:16:03,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:03,512 INFO L85 PathProgramCache]: Analyzing trace with hash -707619029, now seen corresponding path program 1 times [2021-10-28 23:16:03,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:03,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070709852] [2021-10-28 23:16:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:03,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:05,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:05,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070709852] [2021-10-28 23:16:05,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070709852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:05,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:05,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-10-28 23:16:05,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910908462] [2021-10-28 23:16:05,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-10-28 23:16:05,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:05,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-10-28 23:16:05,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2021-10-28 23:16:05,467 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 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) [2021-10-28 23:16:06,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:06,458 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2021-10-28 23:16:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-28 23:16:06,459 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 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 [2021-10-28 23:16:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:06,461 INFO L225 Difference]: With dead ends: 251 [2021-10-28 23:16:06,461 INFO L226 Difference]: Without dead ends: 249 [2021-10-28 23:16:06,463 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2021-10-28 23:16:06,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-28 23:16:06,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 248. [2021-10-28 23:16:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.0040485829959513) internal successors, (248), 247 states have internal predecessors, (248), 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) [2021-10-28 23:16:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2021-10-28 23:16:06,470 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2021-10-28 23:16:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:06,471 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2021-10-28 23:16:06,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 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) [2021-10-28 23:16:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2021-10-28 23:16:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-28 23:16:06,475 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:06,475 INFO L513 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, 1] [2021-10-28 23:16:06,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 23:16:06,475 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)] === [2021-10-28 23:16:06,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:06,476 INFO L85 PathProgramCache]: Analyzing trace with hash -461348049, now seen corresponding path program 1 times [2021-10-28 23:16:06,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:06,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936383454] [2021-10-28 23:16:06,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:06,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:07,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:07,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936383454] [2021-10-28 23:16:07,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936383454] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:07,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:07,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:16:07,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604223077] [2021-10-28 23:16:07,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:16:07,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:07,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:16:07,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:16:07,458 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 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) [2021-10-28 23:16:07,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:07,816 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2021-10-28 23:16:07,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:16:07,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 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 245 [2021-10-28 23:16:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:07,818 INFO L225 Difference]: With dead ends: 250 [2021-10-28 23:16:07,818 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:16:07,819 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:16:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:16:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:16:07,820 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) [2021-10-28 23:16:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:16:07,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2021-10-28 23:16:07,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:07,821 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:16:07,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 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) [2021-10-28 23:16:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:16:07,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:16:07,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,826 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,829 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,829 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:07,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 23:16:07,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:16:07,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:07,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:07,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:07,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:07,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:07,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:07,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2021-10-28 23:16:08,073 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2021-10-28 23:16:08,074 INFO L857 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2021-10-28 23:16:08,075 INFO L860 garLoopResultBuilder]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2021-10-28 23:16:08,076 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2021-10-28 23:16:08,077 INFO L857 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2021-10-28 23:16:08,078 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2021-10-28 23:16:08,079 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)) [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2021-10-28 23:16:08,079 INFO L857 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2021-10-28 23:16:08,080 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2021-10-28 23:16:08,082 INFO L857 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2021-10-28 23:16:08,082 INFO L857 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2021-10-28 23:16:08,082 INFO L857 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2021-10-28 23:16:08,082 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2021-10-28 23:16:08,082 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2021-10-28 23:16:08,083 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 23:16:08,083 INFO L857 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2021-10-28 23:16:08,083 INFO L857 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2021-10-28 23:16:08,083 INFO L857 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2021-10-28 23:16:08,083 INFO L857 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2021-10-28 23:16:08,083 INFO L857 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2021-10-28 23:16:08,083 INFO L857 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2021-10-28 23:16:08,084 INFO L857 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2021-10-28 23:16:08,084 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2021-10-28 23:16:08,084 INFO L857 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2021-10-28 23:16:08,084 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2021-10-28 23:16:08,084 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2021-10-28 23:16:08,084 INFO L857 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2021-10-28 23:16:08,085 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2021-10-28 23:16:08,085 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2021-10-28 23:16:08,085 INFO L857 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2021-10-28 23:16:08,085 INFO L857 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2021-10-28 23:16:08,085 INFO L857 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-10-28 23:16:08,085 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2021-10-28 23:16:08,085 INFO L857 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2021-10-28 23:16:08,086 INFO L857 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2021-10-28 23:16:08,086 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)) [2021-10-28 23:16:08,086 INFO L857 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2021-10-28 23:16:08,086 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:16:08,086 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-28 23:16:08,086 INFO L857 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2021-10-28 23:16:08,087 INFO L857 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2021-10-28 23:16:08,087 INFO L857 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2021-10-28 23:16:08,087 INFO L857 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2021-10-28 23:16:08,087 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2021-10-28 23:16:08,087 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2021-10-28 23:16:08,087 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2021-10-28 23:16:08,087 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-28 23:16:08,088 INFO L857 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2021-10-28 23:16:08,088 INFO L857 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2021-10-28 23:16:08,088 INFO L857 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2021-10-28 23:16:08,088 INFO L857 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2021-10-28 23:16:08,088 INFO L857 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2021-10-28 23:16:08,088 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2021-10-28 23:16:08,089 INFO L857 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2021-10-28 23:16:08,090 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)) [2021-10-28 23:16:08,090 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2021-10-28 23:16:08,090 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2021-10-28 23:16:08,090 INFO L857 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2021-10-28 23:16:08,090 INFO L857 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2021-10-28 23:16:08,090 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2021-10-28 23:16:08,091 INFO L857 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2021-10-28 23:16:08,091 INFO L857 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2021-10-28 23:16:08,091 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:16:08,091 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2021-10-28 23:16:08,091 INFO L857 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2021-10-28 23:16:08,091 INFO L857 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2021-10-28 23:16:08,091 INFO L857 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2021-10-28 23:16:08,092 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2021-10-28 23:16:08,092 INFO L857 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2021-10-28 23:16:08,092 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2021-10-28 23:16:08,092 INFO L857 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2021-10-28 23:16:08,092 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2021-10-28 23:16:08,092 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-10-28 23:16:08,093 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2021-10-28 23:16:08,093 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2021-10-28 23:16:08,093 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2021-10-28 23:16:08,093 INFO L857 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2021-10-28 23:16:08,093 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2021-10-28 23:16:08,093 INFO L857 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-10-28 23:16:08,093 INFO L857 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2021-10-28 23:16:08,094 INFO L857 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2021-10-28 23:16:08,094 INFO L857 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2021-10-28 23:16:08,094 INFO L857 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2021-10-28 23:16:08,094 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2021-10-28 23:16:08,094 INFO L857 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2021-10-28 23:16:08,094 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2021-10-28 23:16:08,094 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2021-10-28 23:16:08,095 INFO L857 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2021-10-28 23:16:08,095 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2021-10-28 23:16:08,095 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2021-10-28 23:16:08,095 INFO L857 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2021-10-28 23:16:08,095 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2021-10-28 23:16:08,095 INFO L857 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2021-10-28 23:16:08,095 INFO L857 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2021-10-28 23:16:08,096 INFO L857 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2021-10-28 23:16:08,096 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2021-10-28 23:16:08,096 INFO L857 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2021-10-28 23:16:08,096 INFO L857 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2021-10-28 23:16:08,096 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2021-10-28 23:16:08,096 INFO L857 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2021-10-28 23:16:08,096 INFO L857 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2021-10-28 23:16:08,097 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2021-10-28 23:16:08,097 INFO L857 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2021-10-28 23:16:08,097 INFO L857 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2021-10-28 23:16:08,097 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2021-10-28 23:16:08,097 INFO L857 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2021-10-28 23:16:08,097 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-28 23:16:08,097 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2021-10-28 23:16:08,098 INFO L857 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2021-10-28 23:16:08,098 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2021-10-28 23:16:08,098 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2021-10-28 23:16:08,098 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-28 23:16:08,098 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-10-28 23:16:08,098 INFO L857 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2021-10-28 23:16:08,099 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2021-10-28 23:16:08,099 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2021-10-28 23:16:08,099 INFO L857 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2021-10-28 23:16:08,099 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2021-10-28 23:16:08,099 INFO L857 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2021-10-28 23:16:08,099 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2021-10-28 23:16:08,099 INFO L857 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2021-10-28 23:16:08,100 INFO L857 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2021-10-28 23:16:08,100 INFO L857 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2021-10-28 23:16:08,100 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2021-10-28 23:16:08,100 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2021-10-28 23:16:08,100 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2021-10-28 23:16:08,100 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2021-10-28 23:16:08,100 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-28 23:16:08,101 INFO L857 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2021-10-28 23:16:08,101 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2021-10-28 23:16:08,101 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2021-10-28 23:16:08,101 INFO L857 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2021-10-28 23:16:08,101 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2021-10-28 23:16:08,101 INFO L857 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2021-10-28 23:16:08,101 INFO L857 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2021-10-28 23:16:08,102 INFO L857 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2021-10-28 23:16:08,102 INFO L857 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2021-10-28 23:16:08,102 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2021-10-28 23:16:08,102 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2021-10-28 23:16:08,102 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))) [2021-10-28 23:16:08,102 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2021-10-28 23:16:08,102 INFO L857 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2021-10-28 23:16:08,103 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2021-10-28 23:16:08,103 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2021-10-28 23:16:08,103 INFO L857 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2021-10-28 23:16:08,103 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2021-10-28 23:16:08,103 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2021-10-28 23:16:08,103 INFO L857 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2021-10-28 23:16:08,103 INFO L857 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2021-10-28 23:16:08,104 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2021-10-28 23:16:08,104 INFO L857 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2021-10-28 23:16:08,104 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2021-10-28 23:16:08,104 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2021-10-28 23:16:08,104 INFO L857 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2021-10-28 23:16:08,104 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2021-10-28 23:16:08,104 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:16:08,105 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2021-10-28 23:16:08,105 INFO L857 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2021-10-28 23:16:08,105 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2021-10-28 23:16:08,105 INFO L857 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2021-10-28 23:16:08,105 INFO L857 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2021-10-28 23:16:08,105 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2021-10-28 23:16:08,105 INFO L857 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2021-10-28 23:16:08,106 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2021-10-28 23:16:08,106 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-10-28 23:16:08,106 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-28 23:16:08,106 INFO L857 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2021-10-28 23:16:08,106 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2021-10-28 23:16:08,106 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2021-10-28 23:16:08,107 INFO L857 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2021-10-28 23:16:08,107 INFO L857 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2021-10-28 23:16:08,107 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2021-10-28 23:16:08,107 INFO L857 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2021-10-28 23:16:08,107 INFO L857 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2021-10-28 23:16:08,107 INFO L857 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2021-10-28 23:16:08,107 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2021-10-28 23:16:08,108 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-10-28 23:16:08,108 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2021-10-28 23:16:08,110 INFO L857 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2021-10-28 23:16:08,110 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2021-10-28 23:16:08,110 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2021-10-28 23:16:08,111 INFO L857 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2021-10-28 23:16:08,112 INFO L857 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2021-10-28 23:16:08,112 INFO L857 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2021-10-28 23:16:08,112 INFO L857 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2021-10-28 23:16:08,112 INFO L857 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2021-10-28 23:16:08,112 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2021-10-28 23:16:08,112 INFO L857 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2021-10-28 23:16:08,112 INFO L857 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2021-10-28 23:16:08,113 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))) [2021-10-28 23:16:08,113 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:16:08,113 INFO L857 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2021-10-28 23:16:08,113 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2021-10-28 23:16:08,113 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2021-10-28 23:16:08,113 INFO L857 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2021-10-28 23:16:08,114 INFO L857 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2021-10-28 23:16:08,114 INFO L857 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2021-10-28 23:16:08,114 INFO L857 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2021-10-28 23:16:08,114 INFO L857 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2021-10-28 23:16:08,114 INFO L857 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2021-10-28 23:16:08,114 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2021-10-28 23:16:08,114 INFO L857 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L857 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L857 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2021-10-28 23:16:08,115 INFO L860 garLoopResultBuilder]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2021-10-28 23:16:08,116 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2021-10-28 23:16:08,116 INFO L857 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2021-10-28 23:16:08,116 INFO L857 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2021-10-28 23:16:08,116 INFO L857 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2021-10-28 23:16:08,116 INFO L857 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2021-10-28 23:16:08,116 INFO L857 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2021-10-28 23:16:08,118 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-28 23:16:08,118 INFO L857 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2021-10-28 23:16:08,118 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2021-10-28 23:16:08,119 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 23:16:08,122 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:08,123 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:16:08,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:16:08 BoogieIcfgContainer [2021-10-28 23:16:08,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:16:08,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:16:08,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:16:08,146 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:16:08,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:52" (3/4) ... [2021-10-28 23:16:08,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:16:08,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 23:16:08,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:16:08,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:16:08,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:16:08,419 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:16:08,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:16:08,421 INFO L168 Benchmark]: Toolchain (without parser) took 18598.07 ms. Allocated memory was 90.2 MB in the beginning and 222.3 MB in the end (delta: 132.1 MB). Free memory was 49.7 MB in the beginning and 92.8 MB in the end (delta: -43.1 MB). Peak memory consumption was 92.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:08,422 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 90.2 MB. Free memory is still 67.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:16:08,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.01 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 49.5 MB in the beginning and 60.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:08,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.12 ms. Allocated memory is still 119.5 MB. Free memory was 60.4 MB in the beginning and 53.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:08,424 INFO L168 Benchmark]: Boogie Preprocessor took 93.74 ms. Allocated memory is still 119.5 MB. Free memory was 53.6 MB in the beginning and 49.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:08,425 INFO L168 Benchmark]: RCFGBuilder took 1573.33 ms. Allocated memory is still 119.5 MB. Free memory was 49.4 MB in the beginning and 49.0 MB in the end (delta: 453.8 kB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:08,425 INFO L168 Benchmark]: TraceAbstraction took 15516.12 ms. Allocated memory was 119.5 MB in the beginning and 222.3 MB in the end (delta: 102.8 MB). Free memory was 48.3 MB in the beginning and 122.5 MB in the end (delta: -74.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:08,425 INFO L168 Benchmark]: Witness Printer took 274.32 ms. Allocated memory is still 222.3 MB. Free memory was 122.5 MB in the beginning and 92.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:08,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 90.2 MB. Free memory is still 67.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1010.01 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 49.5 MB in the beginning and 60.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.12 ms. Allocated memory is still 119.5 MB. Free memory was 60.4 MB in the beginning and 53.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.74 ms. Allocated memory is still 119.5 MB. Free memory was 53.6 MB in the beginning and 49.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1573.33 ms. Allocated memory is still 119.5 MB. Free memory was 49.4 MB in the beginning and 49.0 MB in the end (delta: 453.8 kB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15516.12 ms. Allocated memory was 119.5 MB in the beginning and 222.3 MB in the end (delta: 102.8 MB). Free memory was 48.3 MB in the beginning and 122.5 MB in the end (delta: -74.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * Witness Printer took 274.32 ms. Allocated memory is still 222.3 MB. Free memory was 122.5 MB in the beginning and 92.8 MB in the end (delta: 29.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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, 304 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4014 SDtfs, 5700 SDslu, 5366 SDs, 0 SdLazy, 12964 SolverSat, 1415 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 18 NumberOfFragments, 53 HoareAnnotationTreeSize, 7 FomulaSimplifications, 14555 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2017 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 2529 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! [2021-10-28 23:16:08,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e23a9ea0-c484-49d4-8f34-f5c438b1c954/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...