./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:59:31,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:59:31,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:59:31,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:59:31,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:59:31,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:59:31,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:59:31,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:59:31,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:59:31,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:59:31,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:59:31,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:59:31,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:59:31,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:59:31,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:59:31,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:59:31,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:59:31,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:59:31,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:59:31,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:59:31,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:59:31,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:59:31,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:59:31,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:59:31,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:59:31,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:59:31,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:59:31,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:59:31,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:59:31,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:59:31,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:59:31,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:59:31,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:59:31,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:59:31,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:59:31,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:59:31,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:59:31,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:59:31,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:59:31,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:59:31,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:59:31,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:59:31,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:59:31,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:59:31,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:59:31,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:59:31,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:59:31,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:59:31,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:59:31,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:59:31,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:59:31,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:59:31,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:59:31,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:59:31,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:59:31,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:59:31,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:59:31,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:59:31,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:59:31,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:59:31,551 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:59:31,552 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:59:31,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:59:31,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:59:31,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:59:31,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:59:31,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:59:31,553 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:59:31,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:59:31,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:59:31,553 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_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 [2021-11-25 06:59:31,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:59:31,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:59:31,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:59:31,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:59:31,924 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:59:31,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-25 06:59:31,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/data/7e773af10/0de0ee3be8874775a97c1fcfa377bc58/FLAG7e058ce95 [2021-11-25 06:59:32,536 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:59:32,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-25 06:59:32,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/data/7e773af10/0de0ee3be8874775a97c1fcfa377bc58/FLAG7e058ce95 [2021-11-25 06:59:32,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/data/7e773af10/0de0ee3be8874775a97c1fcfa377bc58 [2021-11-25 06:59:32,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:59:32,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:59:32,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:59:32,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:59:32,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:59:32,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:59:32" (1/1) ... [2021-11-25 06:59:32,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783f8402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:32, skipping insertion in model container [2021-11-25 06:59:32,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:59:32" (1/1) ... [2021-11-25 06:59:32,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:59:32,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:59:33,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-25 06:59:33,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-25 06:59:33,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-25 06:59:33,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-25 06:59:33,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-25 06:59:33,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-25 06:59:33,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-25 06:59:33,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-25 06:59:33,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-25 06:59:33,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-25 06:59:33,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-25 06:59:33,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-25 06:59:33,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-25 06:59:33,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-25 06:59:33,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-25 06:59:33,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-25 06:59:33,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:59:33,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:59:33,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-25 06:59:33,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-25 06:59:33,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-25 06:59:33,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-25 06:59:33,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-25 06:59:33,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-25 06:59:33,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-25 06:59:33,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-25 06:59:33,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-25 06:59:33,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-25 06:59:33,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-25 06:59:33,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-25 06:59:33,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-25 06:59:33,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-25 06:59:33,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-25 06:59:33,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-25 06:59:33,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:59:33,346 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:59:33,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33 WrapperNode [2021-11-25 06:59:33,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:59:33,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:59:33,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:59:33,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:59:33,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,417 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 192 [2021-11-25 06:59:33,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:59:33,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:59:33,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:59:33,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:59:33,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:59:33,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:59:33,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:59:33,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:59:33,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:33,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:59:33,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:59:33,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:59:33,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:59:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:59:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:59:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:59:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:59:33,669 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:59:33,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:59:33,940 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:59:33,952 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:59:33,953 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 06:59:33,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:59:33 BoogieIcfgContainer [2021-11-25 06:59:33,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:59:33,956 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:59:33,957 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:59:34,018 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:59:34,018 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:59:33" (1/1) ... [2021-11-25 06:59:34,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:59:34,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2021-11-25 06:59:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2021-11-25 06:59:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:59:34,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:34,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2021-11-25 06:59:34,400 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2021-11-25 06:59:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:59:34,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:34,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:34,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2021-11-25 06:59:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2021-11-25 06:59:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:59:34,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:34,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2021-11-25 06:59:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-25 06:59:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:59:34,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:34,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2021-11-25 06:59:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-25 06:59:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:59:35,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:35,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-25 06:59:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-25 06:59:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:59:35,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:35,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2021-11-25 06:59:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2021-11-25 06:59:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:59:36,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:36,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2021-11-25 06:59:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-25 06:59:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:59:37,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:37,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2021-11-25 06:59:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2021-11-25 06:59:38,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:59:38,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:38,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:39,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2021-11-25 06:59:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2021-11-25 06:59:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:59:39,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:39,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2021-11-25 06:59:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2021-11-25 06:59:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:59:40,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:40,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 96 states and 125 transitions. [2021-11-25 06:59:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-25 06:59:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:59:42,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:42,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:46,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2021-11-25 06:59:46,364 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-11-25 06:59:46,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:59:46,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:46,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2021-11-25 06:59:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2021-11-25 06:59:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:59:47,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:47,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 119 states and 163 transitions. [2021-11-25 06:59:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2021-11-25 06:59:49,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:59:49,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:49,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 133 states and 186 transitions. [2021-11-25 06:59:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 186 transitions. [2021-11-25 06:59:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:59:54,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:54,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:54,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:59:55,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 189 transitions. [2021-11-25 06:59:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2021-11-25 06:59:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:59:55,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:55,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:59:58,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 142 states and 200 transitions. [2021-11-25 06:59:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2021-11-25 06:59:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:59:58,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:58,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 145 states and 203 transitions. [2021-11-25 07:00:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2021-11-25 07:00:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 07:00:00,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:00,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 150 states and 210 transitions. [2021-11-25 07:00:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 210 transitions. [2021-11-25 07:00:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:00:02,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:02,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:00:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 151 states and 210 transitions. [2021-11-25 07:00:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 210 transitions. [2021-11-25 07:00:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:00:02,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:02,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:00:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 154 states and 213 transitions. [2021-11-25 07:00:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 213 transitions. [2021-11-25 07:00:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:00:04,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:04,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 159 states and 218 transitions. [2021-11-25 07:00:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2021-11-25 07:00:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:00:06,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:06,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 164 states and 228 transitions. [2021-11-25 07:00:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 228 transitions. [2021-11-25 07:00:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:00:09,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:09,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:00:10,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 165 states and 228 transitions. [2021-11-25 07:00:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2021-11-25 07:00:10,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:00:10,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:10,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 167 states and 230 transitions. [2021-11-25 07:00:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 230 transitions. [2021-11-25 07:00:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:00:11,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:11,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:15,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2021-11-25 07:00:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2021-11-25 07:00:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:00:15,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:15,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:00:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 177 states and 255 transitions. [2021-11-25 07:00:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 255 transitions. [2021-11-25 07:00:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:00:16,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:16,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 179 states and 262 transitions. [2021-11-25 07:00:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2021-11-25 07:00:18,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:00:18,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:18,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:19,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 180 states and 265 transitions. [2021-11-25 07:00:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 265 transitions. [2021-11-25 07:00:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:00:19,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:19,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 182 states and 274 transitions. [2021-11-25 07:00:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 274 transitions. [2021-11-25 07:00:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:00:20,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:20,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:21,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 186 states and 283 transitions. [2021-11-25 07:00:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 283 transitions. [2021-11-25 07:00:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:00:21,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:21,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 196 states and 302 transitions. [2021-11-25 07:00:27,237 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 302 transitions. [2021-11-25 07:00:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:00:27,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:27,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 201 states and 311 transitions. [2021-11-25 07:00:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 311 transitions. [2021-11-25 07:00:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:00:29,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:29,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:00:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 206 states and 318 transitions. [2021-11-25 07:00:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 318 transitions. [2021-11-25 07:00:32,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:00:32,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:32,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:00:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 321 transitions. [2021-11-25 07:00:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2021-11-25 07:00:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:00:34,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:34,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 212 states and 329 transitions. [2021-11-25 07:00:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 329 transitions. [2021-11-25 07:00:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:00:37,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:37,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:00:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 214 states and 337 transitions. [2021-11-25 07:00:38,477 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 337 transitions. [2021-11-25 07:00:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:00:38,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:38,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:00:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 218 states and 342 transitions. [2021-11-25 07:00:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 342 transitions. [2021-11-25 07:00:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:00:40,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:40,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:00:43,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:43,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 218 states and 341 transitions. [2021-11-25 07:00:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 341 transitions. [2021-11-25 07:00:43,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:00:43,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:43,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:00:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 218 states and 340 transitions. [2021-11-25 07:00:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 340 transitions. [2021-11-25 07:00:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:00:44,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:44,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:00:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 226 states and 352 transitions. [2021-11-25 07:00:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 352 transitions. [2021-11-25 07:00:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:00:49,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:49,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:00:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 359 transitions. [2021-11-25 07:00:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 359 transitions. [2021-11-25 07:00:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:00:51,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:51,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 236 states and 378 transitions. [2021-11-25 07:01:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2021-11-25 07:01:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:01:04,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:04,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:01:07,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 241 states and 382 transitions. [2021-11-25 07:01:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 382 transitions. [2021-11-25 07:01:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:01:07,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:07,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:01:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 251 states and 395 transitions. [2021-11-25 07:01:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 395 transitions. [2021-11-25 07:01:16,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 07:01:16,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:16,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 256 states and 401 transitions. [2021-11-25 07:01:19,185 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 401 transitions. [2021-11-25 07:01:19,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:01:19,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:19,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:01:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 262 states and 417 transitions. [2021-11-25 07:01:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 417 transitions. [2021-11-25 07:01:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:01:22,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:22,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:01:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 262 states and 413 transitions. [2021-11-25 07:01:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 413 transitions. [2021-11-25 07:01:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:01:23,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:23,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 07:01:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 262 states and 412 transitions. [2021-11-25 07:01:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 412 transitions. [2021-11-25 07:01:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 07:01:28,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:28,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 270 states and 426 transitions. [2021-11-25 07:01:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 426 transitions. [2021-11-25 07:01:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 07:01:35,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:35,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 07:01:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2021-11-25 07:01:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2021-11-25 07:01:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 07:01:42,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:42,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 07:01:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 288 states and 446 transitions. [2021-11-25 07:01:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 446 transitions. [2021-11-25 07:01:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 07:01:49,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:49,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 07:01:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 292 states and 449 transitions. [2021-11-25 07:01:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 449 transitions. [2021-11-25 07:01:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 07:01:53,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:53,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 07:01:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-25 07:01:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-25 07:01:56,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:01:56,866 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2021-11-25 07:01:56,873 INFO L754 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2021-11-25 07:01:57,917 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:01:57,921 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2021-11-25 07:01:57,932 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-25 07:01:57,940 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-25 07:01:57,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:01:57 ImpRootNode [2021-11-25 07:01:57,942 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:01:57,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:01:57,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:01:57,942 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:01:57,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:59:33" (3/4) ... [2021-11-25 07:01:57,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:01:57,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-25 07:01:57,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 07:01:57,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 07:01:57,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:01:58,035 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:01:58,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:01:58,036 INFO L158 Benchmark]: Toolchain (without parser) took 145150.89ms. Allocated memory was 77.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 38.3MB in the beginning and 522.0MB in the end (delta: -483.7MB). Peak memory consumption was 527.8MB. Max. memory is 16.1GB. [2021-11-25 07:01:58,037 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:58,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.13ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 38.1MB in the beginning and 69.8MB in the end (delta: -31.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-25 07:01:58,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.50ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:58,041 INFO L158 Benchmark]: Boogie Preprocessor took 49.04ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 66.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:58,042 INFO L158 Benchmark]: RCFGBuilder took 487.76ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 53.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 07:01:58,042 INFO L158 Benchmark]: CodeCheck took 143985.15ms. Allocated memory was 104.9MB in the beginning and 1.1GB in the end (delta: 983.6MB). Free memory was 53.4MB in the beginning and 527.3MB in the end (delta: -473.9MB). Peak memory consumption was 509.0MB. Max. memory is 16.1GB. [2021-11-25 07:01:58,043 INFO L158 Benchmark]: Witness Printer took 93.59ms. Allocated memory is still 1.1GB. Free memory was 527.3MB in the beginning and 522.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:01:58,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 58 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 142.8s, OverallIterations: 55, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18433 SdHoareTripleChecker+Valid, 50.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14370 mSDsluCounter, 4803 SdHoareTripleChecker+Invalid, 42.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3309 mSDsCounter, 5735 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42198 IncrementalHoareTripleChecker+Invalid, 47933 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5735 mSolverCounterUnsat, 1494 mSDtfsCounter, 42198 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12313 GetRequests, 10792 SyntacticMatches, 529 SemanticMatches, 992 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419510 ImplicationChecksByTransitivity, 137.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 1373 NumberOfCodeBlocks, 1373 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1319 ConstructedInterpolants, 0 QuantifiedInterpolants, 4412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 26 PerfectInterpolantSequences, 262/512 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 59]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 100]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 112]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 141]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 153]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 165]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 177]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 205]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 217]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 229]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 245]: 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((main__i < main__len && main__limit + 4 <= main__bufsize) && main__i == 0) && main__j == 0) && 5 + main__j <= main__bufsize) || (((((main__i < main__len && main__len < 2 + main__i) && 0 <= main__j) && 5 + main__j <= main__bufsize) && !(main__i == 0)) && 0 <= main__i)) || (((((2 + main__i <= main__len && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 5 + main__j <= main__bufsize) && !(main__i == 0)) && 0 <= main__i) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((1 <= main__j && 5 <= main__bufsize) && main__limit + 4 <= main__bufsize) && !(main__i == 0)) && 0 <= main__i) || (main__len <= main__i && 0 <= main__i)) || (((0 <= main__j && main__limit + 4 <= main__bufsize) && main__j < 1) && 0 <= main__i) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (main__limit + 4 <= main__bufsize && 0 <= main__i) || (main__len <= main__i && 0 <= main__i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.13ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 38.1MB in the beginning and 69.8MB in the end (delta: -31.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.50ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.04ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 66.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.76ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 53.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 143985.15ms. Allocated memory was 104.9MB in the beginning and 1.1GB in the end (delta: 983.6MB). Free memory was 53.4MB in the beginning and 527.3MB in the end (delta: -473.9MB). Peak memory consumption was 509.0MB. Max. memory is 16.1GB. * Witness Printer took 93.59ms. Allocated memory is still 1.1GB. Free memory was 527.3MB in the beginning and 522.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:01:58,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3795b49e-ee5e-40ef-8195-2f27ef625df0/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE