./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC --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 4b3c25b2e1855c4c0a30872aa894c42326e9c019 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:40,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:40,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:40,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:40,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:40,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:40,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:40,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:40,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:40,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:40,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:40,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:40,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:40,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:40,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:40,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:40,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:40,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:40,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:40,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:40,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:40,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:40,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:40,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:40,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:40,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:40,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:40,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:40,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:40,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:40,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:40,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:40,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:41,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:41,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:41,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:41,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:41,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:41,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:41,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:41,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:41,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:41,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:41,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:41,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:41,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:41,052 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:41,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:41,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:41,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:41,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:41,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:41,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:41,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:41,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:41,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:41,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:41,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:41,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:41,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:41,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:41,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:41,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:41,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:41,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:41,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:41,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:41,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:41,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:41,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:41,058 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b3c25b2e1855c4c0a30872aa894c42326e9c019 [2021-10-11 00:31:41,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:41,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:41,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:41,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:41,410 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:41,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2021-10-11 00:31:41,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/data/575ef9835/a12fa936ddc146048f2ebc2f236a4624/FLAG5bc17e953 [2021-10-11 00:31:41,998 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:41,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2021-10-11 00:31:42,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/data/575ef9835/a12fa936ddc146048f2ebc2f236a4624/FLAG5bc17e953 [2021-10-11 00:31:42,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/data/575ef9835/a12fa936ddc146048f2ebc2f236a4624 [2021-10-11 00:31:42,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:42,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:42,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:42,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:42,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:42,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446eb385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42, skipping insertion in model container [2021-10-11 00:31:42,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:42,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:42,586 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932] [2021-10-11 00:31:42,591 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147] [2021-10-11 00:31:42,598 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221] [2021-10-11 00:31:42,600 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436] [2021-10-11 00:31:42,603 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931] [2021-10-11 00:31:42,604 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146] [2021-10-11 00:31:42,607 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448] [2021-10-11 00:31:42,609 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666] [2021-10-11 00:31:42,611 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942] [2021-10-11 00:31:42,613 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160] [2021-10-11 00:31:42,617 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730] [2021-10-11 00:31:42,618 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948] [2021-10-11 00:31:42,675 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841] [2021-10-11 00:31:42,677 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059] [2021-10-11 00:31:42,680 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454] [2021-10-11 00:31:42,682 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672] [2021-10-11 00:31:42,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:42,697 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:42,726 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932] [2021-10-11 00:31:42,727 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147] [2021-10-11 00:31:42,731 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221] [2021-10-11 00:31:42,732 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436] [2021-10-11 00:31:42,734 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931] [2021-10-11 00:31:42,735 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146] [2021-10-11 00:31:42,737 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448] [2021-10-11 00:31:42,739 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666] [2021-10-11 00:31:42,741 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942] [2021-10-11 00:31:42,742 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160] [2021-10-11 00:31:42,744 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730] [2021-10-11 00:31:42,745 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948] [2021-10-11 00:31:42,799 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841] [2021-10-11 00:31:42,801 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059] [2021-10-11 00:31:42,803 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454] [2021-10-11 00:31:42,816 WARN L226 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_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672] [2021-10-11 00:31:42,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:42,834 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:42,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42 WrapperNode [2021-10-11 00:31:42,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:42,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:42,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:42,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:42,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:42,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:42,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:42,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:42,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:42,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:42,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:42,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:42,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:44,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:44,056 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 00:31:44,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:44 BoogieIcfgContainer [2021-10-11 00:31:44,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:44,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:44,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:44,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:44,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:42" (1/3) ... [2021-10-11 00:31:44,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a86118e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:44, skipping insertion in model container [2021-10-11 00:31:44,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (2/3) ... [2021-10-11 00:31:44,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a86118e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:44, skipping insertion in model container [2021-10-11 00:31:44,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:44" (3/3) ... [2021-10-11 00:31:44,076 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c [2021-10-11 00:31:44,096 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:44,100 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2021-10-11 00:31:44,108 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-11 00:31:44,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:44,131 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:44,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:44,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:44,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:44,131 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:44,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:44,132 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2021-10-11 00:31:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 00:31:44,156 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:44,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:44,157 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:44,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:44,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2021-10-11 00:31:44,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:44,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471195848] [2021-10-11 00:31:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:44,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471195848] [2021-10-11 00:31:44,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:44,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:44,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193576631] [2021-10-11 00:31:44,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:44,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:44,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:44,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:44,414 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 4 states. [2021-10-11 00:31:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:44,716 INFO L93 Difference]: Finished difference Result 131 states and 205 transitions. [2021-10-11 00:31:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:44,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2021-10-11 00:31:44,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:44,728 INFO L225 Difference]: With dead ends: 131 [2021-10-11 00:31:44,732 INFO L226 Difference]: Without dead ends: 114 [2021-10-11 00:31:44,735 INFO L677 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 [2021-10-11 00:31:44,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-10-11 00:31:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2021-10-11 00:31:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-10-11 00:31:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 135 transitions. [2021-10-11 00:31:44,791 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 135 transitions. Word has length 7 [2021-10-11 00:31:44,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:44,791 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 135 transitions. [2021-10-11 00:31:44,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2021-10-11 00:31:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:31:44,792 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:44,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:44,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:44,793 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:44,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:44,794 INFO L82 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2021-10-11 00:31:44,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:44,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703551042] [2021-10-11 00:31:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:44,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703551042] [2021-10-11 00:31:44,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:44,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:44,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557270160] [2021-10-11 00:31:44,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:44,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:44,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:44,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:44,907 INFO L87 Difference]: Start difference. First operand 114 states and 135 transitions. Second operand 5 states. [2021-10-11 00:31:45,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,147 INFO L93 Difference]: Finished difference Result 114 states and 135 transitions. [2021-10-11 00:31:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:45,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2021-10-11 00:31:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,159 INFO L225 Difference]: With dead ends: 114 [2021-10-11 00:31:45,159 INFO L226 Difference]: Without dead ends: 109 [2021-10-11 00:31:45,162 INFO L677 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 [2021-10-11 00:31:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-11 00:31:45,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-10-11 00:31:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-10-11 00:31:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-10-11 00:31:45,189 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 8 [2021-10-11 00:31:45,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,189 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-10-11 00:31:45,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-10-11 00:31:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:31:45,190 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:45,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:45,190 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:45,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,191 INFO L82 PathProgramCache]: Analyzing trace with hash -639549266, now seen corresponding path program 1 times [2021-10-11 00:31:45,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222415135] [2021-10-11 00:31:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222415135] [2021-10-11 00:31:45,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:45,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:45,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255132488] [2021-10-11 00:31:45,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:45,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:45,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:45,307 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 5 states. [2021-10-11 00:31:45,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,561 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2021-10-11 00:31:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:45,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 00:31:45,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,566 INFO L225 Difference]: With dead ends: 109 [2021-10-11 00:31:45,566 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 00:31:45,567 INFO L677 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 [2021-10-11 00:31:45,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 00:31:45,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-11 00:31:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 00:31:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2021-10-11 00:31:45,588 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 11 [2021-10-11 00:31:45,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,588 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2021-10-11 00:31:45,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2021-10-11 00:31:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:31:45,589 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:45,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:45,590 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:45,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1648813321, now seen corresponding path program 1 times [2021-10-11 00:31:45,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847918443] [2021-10-11 00:31:45,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847918443] [2021-10-11 00:31:45,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:45,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:45,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616284469] [2021-10-11 00:31:45,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:45,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:45,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:45,686 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand 4 states. [2021-10-11 00:31:45,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,860 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2021-10-11 00:31:45,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:45,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-10-11 00:31:45,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,863 INFO L225 Difference]: With dead ends: 107 [2021-10-11 00:31:45,863 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 00:31:45,866 INFO L677 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 [2021-10-11 00:31:45,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 00:31:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-11 00:31:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 00:31:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2021-10-11 00:31:45,887 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 12 [2021-10-11 00:31:45,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,888 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2021-10-11 00:31:45,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2021-10-11 00:31:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:31:45,889 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:45,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:45,890 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:45,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,890 INFO L82 PathProgramCache]: Analyzing trace with hash -411248735, now seen corresponding path program 1 times [2021-10-11 00:31:45,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717077924] [2021-10-11 00:31:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717077924] [2021-10-11 00:31:45,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:45,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:45,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759696911] [2021-10-11 00:31:45,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:45,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:45,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:45,946 INFO L87 Difference]: Start difference. First operand 103 states and 115 transitions. Second operand 5 states. [2021-10-11 00:31:46,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:46,215 INFO L93 Difference]: Finished difference Result 121 states and 135 transitions. [2021-10-11 00:31:46,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:46,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-10-11 00:31:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:46,217 INFO L225 Difference]: With dead ends: 121 [2021-10-11 00:31:46,218 INFO L226 Difference]: Without dead ends: 119 [2021-10-11 00:31:46,218 INFO L677 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 [2021-10-11 00:31:46,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-11 00:31:46,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 101. [2021-10-11 00:31:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 00:31:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2021-10-11 00:31:46,243 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 13 [2021-10-11 00:31:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:46,244 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2021-10-11 00:31:46,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2021-10-11 00:31:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:31:46,245 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:46,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:46,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:31:46,251 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:46,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:46,252 INFO L82 PathProgramCache]: Analyzing trace with hash -409524831, now seen corresponding path program 1 times [2021-10-11 00:31:46,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:46,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094819223] [2021-10-11 00:31:46,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:46,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094819223] [2021-10-11 00:31:46,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:46,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:46,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665705281] [2021-10-11 00:31:46,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:46,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:46,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:46,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:46,328 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand 5 states. [2021-10-11 00:31:46,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:46,545 INFO L93 Difference]: Finished difference Result 101 states and 113 transitions. [2021-10-11 00:31:46,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:46,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-10-11 00:31:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:46,546 INFO L225 Difference]: With dead ends: 101 [2021-10-11 00:31:46,546 INFO L226 Difference]: Without dead ends: 99 [2021-10-11 00:31:46,547 INFO L677 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 [2021-10-11 00:31:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-11 00:31:46,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-11 00:31:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-10-11 00:31:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2021-10-11 00:31:46,551 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 13 [2021-10-11 00:31:46,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:46,551 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2021-10-11 00:31:46,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2021-10-11 00:31:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:31:46,552 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:46,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:46,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:31:46,553 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:46,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:46,553 INFO L82 PathProgramCache]: Analyzing trace with hash 136195212, now seen corresponding path program 1 times [2021-10-11 00:31:46,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:46,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463185239] [2021-10-11 00:31:46,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:46,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463185239] [2021-10-11 00:31:46,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:46,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:46,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779813302] [2021-10-11 00:31:46,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:46,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:46,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:46,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:46,677 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 6 states. [2021-10-11 00:31:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:46,914 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2021-10-11 00:31:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:31:46,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2021-10-11 00:31:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:46,916 INFO L225 Difference]: With dead ends: 136 [2021-10-11 00:31:46,916 INFO L226 Difference]: Without dead ends: 134 [2021-10-11 00:31:46,917 INFO L677 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 [2021-10-11 00:31:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-11 00:31:46,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 105. [2021-10-11 00:31:46,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-10-11 00:31:46,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2021-10-11 00:31:46,929 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 14 [2021-10-11 00:31:46,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:46,930 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2021-10-11 00:31:46,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:46,931 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2021-10-11 00:31:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:31:46,933 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:46,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:46,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:31:46,933 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:46,934 INFO L82 PathProgramCache]: Analyzing trace with hash 137742357, now seen corresponding path program 1 times [2021-10-11 00:31:46,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:46,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756894484] [2021-10-11 00:31:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:47,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756894484] [2021-10-11 00:31:47,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:47,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:47,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482603316] [2021-10-11 00:31:47,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:47,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:47,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:47,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:47,022 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 5 states. [2021-10-11 00:31:47,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:47,264 INFO L93 Difference]: Finished difference Result 126 states and 142 transitions. [2021-10-11 00:31:47,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:47,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2021-10-11 00:31:47,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:47,266 INFO L225 Difference]: With dead ends: 126 [2021-10-11 00:31:47,266 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 00:31:47,266 INFO L677 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 [2021-10-11 00:31:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 00:31:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2021-10-11 00:31:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 00:31:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2021-10-11 00:31:47,275 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 14 [2021-10-11 00:31:47,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:47,275 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2021-10-11 00:31:47,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2021-10-11 00:31:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:31:47,280 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:47,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:47,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:31:47,281 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:47,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:47,282 INFO L82 PathProgramCache]: Analyzing trace with hash 189636292, now seen corresponding path program 1 times [2021-10-11 00:31:47,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:47,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857346010] [2021-10-11 00:31:47,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:47,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857346010] [2021-10-11 00:31:47,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:47,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:47,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328141430] [2021-10-11 00:31:47,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:47,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:47,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:47,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:47,438 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 6 states. [2021-10-11 00:31:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:47,624 INFO L93 Difference]: Finished difference Result 113 states and 127 transitions. [2021-10-11 00:31:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:47,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2021-10-11 00:31:47,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:47,626 INFO L225 Difference]: With dead ends: 113 [2021-10-11 00:31:47,626 INFO L226 Difference]: Without dead ends: 109 [2021-10-11 00:31:47,626 INFO L677 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 [2021-10-11 00:31:47,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-11 00:31:47,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 104. [2021-10-11 00:31:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-10-11 00:31:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2021-10-11 00:31:47,630 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 14 [2021-10-11 00:31:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:47,631 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2021-10-11 00:31:47,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2021-10-11 00:31:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 00:31:47,631 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:47,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:47,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:31:47,632 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:47,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:47,632 INFO L82 PathProgramCache]: Analyzing trace with hash -24950085, now seen corresponding path program 1 times [2021-10-11 00:31:47,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:47,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066661022] [2021-10-11 00:31:47,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:47,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066661022] [2021-10-11 00:31:47,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:47,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:47,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173644107] [2021-10-11 00:31:47,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:47,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:47,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:47,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:47,735 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 6 states. [2021-10-11 00:31:47,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:47,940 INFO L93 Difference]: Finished difference Result 131 states and 147 transitions. [2021-10-11 00:31:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:31:47,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2021-10-11 00:31:47,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:47,942 INFO L225 Difference]: With dead ends: 131 [2021-10-11 00:31:47,942 INFO L226 Difference]: Without dead ends: 129 [2021-10-11 00:31:47,942 INFO L677 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 [2021-10-11 00:31:47,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-11 00:31:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 107. [2021-10-11 00:31:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 00:31:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2021-10-11 00:31:47,947 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 15 [2021-10-11 00:31:47,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:47,947 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2021-10-11 00:31:47,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2021-10-11 00:31:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:31:47,948 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:47,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:47,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:31:47,948 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:47,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:47,949 INFO L82 PathProgramCache]: Analyzing trace with hash 2034707599, now seen corresponding path program 1 times [2021-10-11 00:31:47,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:47,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462622530] [2021-10-11 00:31:47,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:47,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462622530] [2021-10-11 00:31:47,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:47,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:47,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264317475] [2021-10-11 00:31:47,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:47,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:47,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:47,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:47,985 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 4 states. [2021-10-11 00:31:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:48,065 INFO L93 Difference]: Finished difference Result 107 states and 121 transitions. [2021-10-11 00:31:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:48,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2021-10-11 00:31:48,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:48,067 INFO L225 Difference]: With dead ends: 107 [2021-10-11 00:31:48,067 INFO L226 Difference]: Without dead ends: 105 [2021-10-11 00:31:48,073 INFO L677 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 [2021-10-11 00:31:48,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-11 00:31:48,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-11 00:31:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-10-11 00:31:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2021-10-11 00:31:48,078 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 16 [2021-10-11 00:31:48,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:48,080 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2021-10-11 00:31:48,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2021-10-11 00:31:48,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:31:48,081 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:48,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:48,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:31:48,082 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:48,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1348569745, now seen corresponding path program 1 times [2021-10-11 00:31:48,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:48,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681858887] [2021-10-11 00:31:48,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:48,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681858887] [2021-10-11 00:31:48,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:48,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:48,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841053144] [2021-10-11 00:31:48,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:48,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:48,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:48,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:48,137 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 4 states. [2021-10-11 00:31:48,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:48,254 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2021-10-11 00:31:48,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:48,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2021-10-11 00:31:48,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:48,255 INFO L225 Difference]: With dead ends: 105 [2021-10-11 00:31:48,255 INFO L226 Difference]: Without dead ends: 101 [2021-10-11 00:31:48,256 INFO L677 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 [2021-10-11 00:31:48,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-11 00:31:48,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-11 00:31:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 00:31:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions. [2021-10-11 00:31:48,260 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 17 [2021-10-11 00:31:48,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:48,261 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 115 transitions. [2021-10-11 00:31:48,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2021-10-11 00:31:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:31:48,263 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:48,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:48,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:31:48,263 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:48,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1418456853, now seen corresponding path program 1 times [2021-10-11 00:31:48,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:48,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726006416] [2021-10-11 00:31:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:48,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726006416] [2021-10-11 00:31:48,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:48,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:48,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323402013] [2021-10-11 00:31:48,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:48,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:48,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:48,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:48,344 INFO L87 Difference]: Start difference. First operand 101 states and 115 transitions. Second operand 6 states. [2021-10-11 00:31:48,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:48,583 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2021-10-11 00:31:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:48,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2021-10-11 00:31:48,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:48,585 INFO L225 Difference]: With dead ends: 116 [2021-10-11 00:31:48,585 INFO L226 Difference]: Without dead ends: 114 [2021-10-11 00:31:48,586 INFO L677 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 [2021-10-11 00:31:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-10-11 00:31:48,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 97. [2021-10-11 00:31:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2021-10-11 00:31:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 111 transitions. [2021-10-11 00:31:48,590 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 111 transitions. Word has length 18 [2021-10-11 00:31:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:48,590 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 111 transitions. [2021-10-11 00:31:48,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2021-10-11 00:31:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:31:48,591 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:48,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:48,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:31:48,591 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:48,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1471897933, now seen corresponding path program 1 times [2021-10-11 00:31:48,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:48,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389506248] [2021-10-11 00:31:48,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:48,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389506248] [2021-10-11 00:31:48,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:48,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:48,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112081140] [2021-10-11 00:31:48,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:48,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:48,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:48,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:48,643 INFO L87 Difference]: Start difference. First operand 97 states and 111 transitions. Second operand 6 states. [2021-10-11 00:31:48,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:48,850 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2021-10-11 00:31:48,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:48,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2021-10-11 00:31:48,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:48,851 INFO L225 Difference]: With dead ends: 97 [2021-10-11 00:31:48,851 INFO L226 Difference]: Without dead ends: 93 [2021-10-11 00:31:48,852 INFO L677 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 [2021-10-11 00:31:48,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-11 00:31:48,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-10-11 00:31:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2021-10-11 00:31:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2021-10-11 00:31:48,856 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 18 [2021-10-11 00:31:48,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:48,856 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2021-10-11 00:31:48,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2021-10-11 00:31:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:31:48,857 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:48,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:48,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:31:48,857 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:48,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1159129958, now seen corresponding path program 1 times [2021-10-11 00:31:48,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:48,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836863767] [2021-10-11 00:31:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:48,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836863767] [2021-10-11 00:31:48,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:48,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:48,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261493478] [2021-10-11 00:31:48,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:48,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:48,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:48,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:48,908 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand 6 states. [2021-10-11 00:31:49,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:49,133 INFO L93 Difference]: Finished difference Result 103 states and 119 transitions. [2021-10-11 00:31:49,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:49,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2021-10-11 00:31:49,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:49,134 INFO L225 Difference]: With dead ends: 103 [2021-10-11 00:31:49,134 INFO L226 Difference]: Without dead ends: 54 [2021-10-11 00:31:49,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:31:49,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-10-11 00:31:49,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-10-11 00:31:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-10-11 00:31:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2021-10-11 00:31:49,137 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 18 [2021-10-11 00:31:49,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:49,137 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2021-10-11 00:31:49,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2021-10-11 00:31:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-11 00:31:49,138 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:49,138 INFO L422 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] [2021-10-11 00:31:49,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-11 00:31:49,138 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:49,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:49,139 INFO L82 PathProgramCache]: Analyzing trace with hash 892497877, now seen corresponding path program 1 times [2021-10-11 00:31:49,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:49,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151409452] [2021-10-11 00:31:49,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:49,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151409452] [2021-10-11 00:31:49,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:49,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-11 00:31:49,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925624956] [2021-10-11 00:31:49,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 00:31:49,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:49,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 00:31:49,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:31:49,302 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 13 states. [2021-10-11 00:31:49,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:49,441 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2021-10-11 00:31:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:31:49,442 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2021-10-11 00:31:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:49,444 INFO L225 Difference]: With dead ends: 54 [2021-10-11 00:31:49,444 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 00:31:49,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:31:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 00:31:49,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-11 00:31:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 00:31:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2021-10-11 00:31:49,447 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 44 [2021-10-11 00:31:49,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:49,447 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2021-10-11 00:31:49,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 00:31:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2021-10-11 00:31:49,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-11 00:31:49,449 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:49,449 INFO L422 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] [2021-10-11 00:31:49,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-11 00:31:49,450 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:49,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:49,450 INFO L82 PathProgramCache]: Analyzing trace with hash 892513765, now seen corresponding path program 1 times [2021-10-11 00:31:49,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:49,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233924001] [2021-10-11 00:31:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:49,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233924001] [2021-10-11 00:31:49,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:49,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-11 00:31:49,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075902083] [2021-10-11 00:31:49,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 00:31:49,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:49,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 00:31:49,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:31:49,615 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 13 states. [2021-10-11 00:31:49,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:49,759 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2021-10-11 00:31:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:31:49,759 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2021-10-11 00:31:49,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:49,761 INFO L225 Difference]: With dead ends: 59 [2021-10-11 00:31:49,761 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 00:31:49,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:31:49,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 00:31:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2021-10-11 00:31:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-10-11 00:31:49,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2021-10-11 00:31:49,764 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 44 [2021-10-11 00:31:49,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:49,765 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2021-10-11 00:31:49,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 00:31:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2021-10-11 00:31:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-11 00:31:49,766 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:49,766 INFO L422 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] [2021-10-11 00:31:49,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-11 00:31:49,766 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:49,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:49,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1897634854, now seen corresponding path program 1 times [2021-10-11 00:31:49,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:49,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81464140] [2021-10-11 00:31:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:49,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81464140] [2021-10-11 00:31:49,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:49,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:31:49,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378509661] [2021-10-11 00:31:49,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:31:49,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:49,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:31:49,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:31:49,940 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 7 states. [2021-10-11 00:31:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:50,041 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-10-11 00:31:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:50,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2021-10-11 00:31:50,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:50,042 INFO L225 Difference]: With dead ends: 50 [2021-10-11 00:31:50,043 INFO L226 Difference]: Without dead ends: 46 [2021-10-11 00:31:50,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:50,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-11 00:31:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-11 00:31:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-10-11 00:31:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2021-10-11 00:31:50,046 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 45 [2021-10-11 00:31:50,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:50,046 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2021-10-11 00:31:50,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:31:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2021-10-11 00:31:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-11 00:31:50,047 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:50,047 INFO L422 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] [2021-10-11 00:31:50,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-11 00:31:50,048 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:50,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:50,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1898127398, now seen corresponding path program 1 times [2021-10-11 00:31:50,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:50,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326395117] [2021-10-11 00:31:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:50,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326395117] [2021-10-11 00:31:50,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:50,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:31:50,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014015644] [2021-10-11 00:31:50,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:31:50,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:50,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:31:50,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:31:50,218 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 7 states. [2021-10-11 00:31:50,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:50,332 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-10-11 00:31:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:50,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2021-10-11 00:31:50,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:50,333 INFO L225 Difference]: With dead ends: 50 [2021-10-11 00:31:50,333 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:50,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:31:50,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:50,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:50,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-10-11 00:31:50,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:50,335 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:50,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:31:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:50,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:50,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-11 00:31:50,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:50,494 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2021-10-11 00:31:50,494 INFO L262 CegarLoopResult]: For program point L217(lines 217 229) no Hoare annotation was computed. [2021-10-11 00:31:50,494 INFO L262 CegarLoopResult]: For program point L597(lines 597 969) no Hoare annotation was computed. [2021-10-11 00:31:50,494 INFO L262 CegarLoopResult]: For program point L366(lines 366 991) no Hoare annotation was computed. [2021-10-11 00:31:50,494 INFO L262 CegarLoopResult]: For program point L267(lines 267 275) no Hoare annotation was computed. [2021-10-11 00:31:50,494 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 883) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L581(lines 581 971) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L317(lines 317 994) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L400(lines 400 424) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L136(lines 136 242) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L103(lines 103 125) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L615(lines 615 626) no Hoare annotation was computed. [2021-10-11 00:31:50,495 INFO L262 CegarLoopResult]: For program point L929(lines 929 941) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L665(lines 665 963) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L434(lines 434 985) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L649(lines 649 965) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L385(lines 385 988) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L22(lines 22 1005) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L468(lines 468 492) no Hoare annotation was computed. [2021-10-11 00:31:50,496 INFO L262 CegarLoopResult]: For program point L881(lines 881 907) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L171(lines 171 193) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L683(lines 683 694) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L72(lines 72 288) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L733(lines 733 957) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L155(lines 155 234) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L502(lines 502 979) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L205(lines 205 231) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L717(lines 717 959) no Hoare annotation was computed. [2021-10-11 00:31:50,497 INFO L262 CegarLoopResult]: For program point L453(lines 453 982) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L265 CegarLoopResult]: At program point L932(lines 17 1006) the Hoare annotation is: true [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point L866(lines 866 946) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point L255(lines 255 277) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point L536(lines 536 560) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point L751(lines 751 762) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point L801(lines 801 951) no Hoare annotation was computed. [2021-10-11 00:31:50,498 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L570(lines 570 973) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L917(lines 917 943) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L785(lines 785 953) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L521(lines 521 976) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L258 CegarLoopResult]: At program point L868(lines 26 1000) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~main__t~0) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L604(lines 604 628) no Hoare annotation was computed. [2021-10-11 00:31:50,499 INFO L262 CegarLoopResult]: For program point L26(lines 26 1000) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L819(lines 819 830) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L638(lines 638 967) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L853(lines 853 947) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L143(lines 143 236) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L589(lines 589 970) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L325(lines 325 993) no Hoare annotation was computed. [2021-10-11 00:31:50,500 INFO L262 CegarLoopResult]: For program point L672(lines 672 696) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point L309(lines 309 995) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 931) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L258 CegarLoopResult]: At program point L904(lines 65 999) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~main__t~0) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point L706(lines 706 961) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point L343(lines 343 354) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point L657(lines 657 964) no Hoare annotation was computed. [2021-10-11 00:31:50,501 INFO L262 CegarLoopResult]: For program point L46(lines 46 56) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L265 CegarLoopResult]: At program point L1004(lines 22 1005) the Hoare annotation is: true [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L393(lines 393 987) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L740(lines 740 764) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L96(lines 96 285) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L377(lines 377 989) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L774(lines 774 955) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L411(lines 411 422) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L725(lines 725 958) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2021-10-11 00:31:50,502 INFO L262 CegarLoopResult]: For program point L461(lines 461 981) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L258 CegarLoopResult]: At program point L940(lines 858 947) the Hoare annotation is: (and (<= 9 ULTIMATE.start_main_~main__t~0) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L874(lines 874 945) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L808(lines 808 832) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L164(lines 164 233) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L65(lines 65 999) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L445(lines 445 983) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L115(lines 115 123) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L842(lines 842 949) no Hoare annotation was computed. [2021-10-11 00:31:50,503 INFO L262 CegarLoopResult]: For program point L132(lines 132 284) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L479(lines 479 490) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L793(lines 793 952) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L248(lines 248 283) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L83(lines 83 286) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L529(lines 529 975) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L298(lines 298 997) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L34(lines 34 58) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L513(lines 513 977) no Hoare annotation was computed. [2021-10-11 00:31:50,504 INFO L262 CegarLoopResult]: For program point L893(lines 893 905) no Hoare annotation was computed. [2021-10-11 00:31:50,505 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2021-10-11 00:31:50,505 INFO L258 CegarLoopResult]: At program point L282(lines 132 284) 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)) [2021-10-11 00:31:50,505 INFO L262 CegarLoopResult]: For program point L183(lines 183 191) no Hoare annotation was computed. [2021-10-11 00:31:50,505 INFO L262 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2021-10-11 00:31:50,505 INFO L262 CegarLoopResult]: For program point L332(lines 332 356) no Hoare annotation was computed. [2021-10-11 00:31:50,505 INFO L262 CegarLoopResult]: For program point L547(lines 547 558) no Hoare annotation was computed. [2021-10-11 00:31:50,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:50 BoogieIcfgContainer [2021-10-11 00:31:50,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:50,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:50,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:50,523 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:50,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:44" (3/4) ... [2021-10-11 00:31:50,527 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:50,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 00:31:50,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:31:50,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:50,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:50,649 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a26103-941d-47dd-9b1d-2d07c7a6bb4b/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:50,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:50,651 INFO L168 Benchmark]: Toolchain (without parser) took 8320.44 ms. Allocated memory was 96.5 MB in the beginning and 159.4 MB in the end (delta: 62.9 MB). Free memory was 56.5 MB in the beginning and 71.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,652 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 96.5 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:50,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.11 ms. Allocated memory is still 96.5 MB. Free memory was 56.4 MB in the beginning and 62.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.04 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 59.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,653 INFO L168 Benchmark]: Boogie Preprocessor took 52.53 ms. Allocated memory is still 96.5 MB. Free memory was 59.0 MB in the beginning and 56.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,653 INFO L168 Benchmark]: RCFGBuilder took 1086.38 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 56.8 MB in the beginning and 66.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,654 INFO L168 Benchmark]: TraceAbstraction took 6454.95 ms. Allocated memory was 117.4 MB in the beginning and 159.4 MB in the end (delta: 41.9 MB). Free memory was 65.9 MB in the beginning and 82.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,654 INFO L168 Benchmark]: Witness Printer took 126.70 ms. Allocated memory is still 159.4 MB. Free memory was 82.9 MB in the beginning and 71.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 96.5 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 503.11 ms. Allocated memory is still 96.5 MB. Free memory was 56.4 MB in the beginning and 62.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.04 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 59.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.53 ms. Allocated memory is still 96.5 MB. Free memory was 59.0 MB in the beginning and 56.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1086.38 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 56.8 MB in the beginning and 66.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6454.95 ms. Allocated memory was 117.4 MB in the beginning and 159.4 MB in the end (delta: 41.9 MB). Free memory was 65.9 MB in the beginning and 82.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * Witness Printer took 126.70 ms. Allocated memory is still 159.4 MB. Free memory was 82.9 MB in the beginning and 71.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: 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: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 931]: 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: 36]: 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: 883]: 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: 257]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 919]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 895]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 269]: 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 9 <= main__t && main__t <= main__tagbuf_len - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.2s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1038 SDtfs, 1861 SDslu, 1369 SDs, 0 SdLazy, 3328 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 119 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 16 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 4032 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 325 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 31849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...