./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN --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 ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:19:36,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:19:36,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:19:36,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:19:36,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:19:36,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:19:36,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:19:36,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:19:36,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:19:36,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:19:36,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:19:36,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:19:36,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:19:36,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:19:36,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:19:36,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:19:36,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:19:36,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:19:36,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:19:36,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:19:36,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:19:36,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:19:36,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:19:36,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:19:36,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:19:36,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:19:36,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:19:36,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:19:36,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:19:36,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:19:36,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:19:36,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:19:36,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:19:36,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:19:36,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:19:36,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:19:36,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:19:36,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:19:36,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:19:36,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:19:36,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:19:36,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:19:36,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:19:36,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:19:36,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:19:36,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:19:36,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:19:36,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:19:36,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:19:36,392 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:19:36,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:19:36,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:19:36,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:19:36,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:19:36,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:19:36,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:19:36,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:19:36,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:19:36,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:19:36,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:19:36,395 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:19:36,395 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:19:36,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:19:36,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:19:36,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:19:36,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:19:36,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:19:36,397 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:19:36,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:19:36,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:19:36,398 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c [2021-11-21 05:19:36,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:19:36,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:19:36,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:19:36,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:19:36,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:19:36,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-11-21 05:19:36,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/data/c14621077/35c2b02dc2e347abb2af1d91666a3402/FLAGa00b447da [2021-11-21 05:19:37,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:19:37,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-11-21 05:19:37,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/data/c14621077/35c2b02dc2e347abb2af1d91666a3402/FLAGa00b447da [2021-11-21 05:19:37,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/data/c14621077/35c2b02dc2e347abb2af1d91666a3402 [2021-11-21 05:19:37,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:19:37,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:19:37,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:19:37,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:19:37,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:19:37,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:37" (1/1) ... [2021-11-21 05:19:37,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e038529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:37, skipping insertion in model container [2021-11-21 05:19:37,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:37" (1/1) ... [2021-11-21 05:19:37,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:19:37,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:19:37,897 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-11-21 05:19:37,901 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-11-21 05:19:37,904 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-11-21 05:19:37,906 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-11-21 05:19:37,909 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-11-21 05:19:37,911 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-11-21 05:19:37,914 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-11-21 05:19:37,917 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-11-21 05:19:37,921 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-11-21 05:19:37,923 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-11-21 05:19:37,927 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-11-21 05:19:37,929 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-11-21 05:19:37,932 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-11-21 05:19:37,935 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-11-21 05:19:37,937 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-11-21 05:19:37,939 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-11-21 05:19:37,943 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-11-21 05:19:37,945 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-11-21 05:19:37,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:19:37,957 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:19:37,975 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-11-21 05:19:37,977 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-11-21 05:19:37,979 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-11-21 05:19:37,981 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-11-21 05:19:37,983 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-11-21 05:19:37,985 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-11-21 05:19:37,987 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-11-21 05:19:37,990 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-11-21 05:19:37,993 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-11-21 05:19:37,995 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-11-21 05:19:37,997 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-11-21 05:19:37,999 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-11-21 05:19:38,002 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-11-21 05:19:38,004 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-11-21 05:19:38,006 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-11-21 05:19:38,008 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-11-21 05:19:38,010 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-11-21 05:19:38,012 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_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-11-21 05:19:38,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:19:38,029 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:19:38,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38 WrapperNode [2021-11-21 05:19:38,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:19:38,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:19:38,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:19:38,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:19:38,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,080 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 254 [2021-11-21 05:19:38,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:19:38,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:19:38,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:19:38,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:19:38,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:19:38,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:19:38,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:19:38,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:19:38,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:19:38,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:19:38,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:19:38,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:19:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:19:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:19:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:19:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:19:38,277 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:19:38,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:19:38,532 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:19:38,548 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:19:38,548 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 05:19:38,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:38 BoogieIcfgContainer [2021-11-21 05:19:38,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:19:38,552 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:19:38,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:19:38,583 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:19:38,584 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:38" (1/1) ... [2021-11-21 05:19:38,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:19:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2021-11-21 05:19:38,657 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2021-11-21 05:19:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:19:38,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:38,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2021-11-21 05:19:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2021-11-21 05:19:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:19:38,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:38,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:39,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2021-11-21 05:19:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2021-11-21 05:19:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:19:39,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:39,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:39,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:39,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2021-11-21 05:19:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-21 05:19:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:19:39,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:39,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2021-11-21 05:19:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-11-21 05:19:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:19:40,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:40,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2021-11-21 05:19:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2021-11-21 05:19:40,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:19:40,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:40,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2021-11-21 05:19:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2021-11-21 05:19:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:19:40,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:40,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2021-11-21 05:19:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2021-11-21 05:19:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:19:41,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:41,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2021-11-21 05:19:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2021-11-21 05:19:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:19:41,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:41,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2021-11-21 05:19:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-11-21 05:19:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:19:42,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:42,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:19:43,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2021-11-21 05:19:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2021-11-21 05:19:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:19:43,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:43,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:43,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2021-11-21 05:19:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-11-21 05:19:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:19:43,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:43,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-11-21 05:19:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-21 05:19:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:19:44,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:44,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2021-11-21 05:19:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-11-21 05:19:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:19:44,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:44,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2021-11-21 05:19:45,162 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2021-11-21 05:19:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:19:45,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:45,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2021-11-21 05:19:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-11-21 05:19:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:19:45,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:45,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2021-11-21 05:19:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-11-21 05:19:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:19:46,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:46,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2021-11-21 05:19:47,901 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2021-11-21 05:19:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:19:47,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:47,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2021-11-21 05:19:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-11-21 05:19:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:19:48,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:48,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2021-11-21 05:19:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-11-21 05:19:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:19:51,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:51,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-21 05:19:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-21 05:19:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:19:53,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:53,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 106 transitions. [2021-11-21 05:19:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-11-21 05:19:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:19:55,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:55,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:19:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2021-11-21 05:19:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-11-21 05:19:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:19:57,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:57,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-11-21 05:20:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-11-21 05:20:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:20:00,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:00,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 91 states and 128 transitions. [2021-11-21 05:20:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2021-11-21 05:20:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:20:02,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:02,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:20:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 92 states and 129 transitions. [2021-11-21 05:20:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-11-21 05:20:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:20:02,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:02,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 96 states and 134 transitions. [2021-11-21 05:20:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2021-11-21 05:20:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:20:04,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:04,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:07,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 105 states and 148 transitions. [2021-11-21 05:20:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2021-11-21 05:20:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:20:07,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:07,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:20:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2021-11-21 05:20:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2021-11-21 05:20:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:20:09,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:09,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:20:11,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:11,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2021-11-21 05:20:11,045 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2021-11-21 05:20:11,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:20:11,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:11,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:11,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:20:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 102 states and 141 transitions. [2021-11-21 05:20:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2021-11-21 05:20:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:20:13,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:13,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:20:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2021-11-21 05:20:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2021-11-21 05:20:16,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:20:16,067 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2021-11-21 05:20:16,076 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2021-11-21 05:20:16,307 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-21 05:20:16,318 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-21 05:20:16,322 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-21 05:20:16,323 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-21 05:20:16,325 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:20:16,326 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:20:16,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:20:16 ImpRootNode [2021-11-21 05:20:16,326 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:20:16,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:20:16,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:20:16,327 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:20:16,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:38" (3/4) ... [2021-11-21 05:20:16,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:20:16,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-21 05:20:16,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 05:20:16,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:20:16,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:20:16,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:20:16,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:20:16,445 INFO L158 Benchmark]: Toolchain (without parser) took 38747.81ms. Allocated memory was 102.8MB in the beginning and 272.6MB in the end (delta: 169.9MB). Free memory was 75.2MB in the beginning and 153.0MB in the end (delta: -77.9MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2021-11-21 05:20:16,445 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:20:16,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.27ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 55.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-21 05:20:16,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:20:16,446 INFO L158 Benchmark]: Boogie Preprocessor took 31.46ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 52.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:20:16,447 INFO L158 Benchmark]: RCFGBuilder took 437.92ms. Allocated memory is still 102.8MB. Free memory was 52.1MB in the beginning and 35.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 05:20:16,447 INFO L158 Benchmark]: CodeCheck took 37774.35ms. Allocated memory was 102.8MB in the beginning and 272.6MB in the end (delta: 169.9MB). Free memory was 35.9MB in the beginning and 159.3MB in the end (delta: -123.4MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-11-21 05:20:16,448 INFO L158 Benchmark]: Witness Printer took 117.30ms. Allocated memory is still 272.6MB. Free memory was 159.3MB in the beginning and 153.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:20:16,450 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, 80 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 37.5s, OverallIterations: 32, 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, 5299 SdHoareTripleChecker+Valid, 12.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2579 mSDsluCounter, 2085 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 558 mSDsCounter, 2445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9267 IncrementalHoareTripleChecker+Invalid, 11712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2445 mSolverCounterUnsat, 1527 mSDtfsCounter, 9267 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7516 GetRequests, 6801 SyntacticMatches, 271 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76761 ImplicationChecksByTransitivity, 34.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1004 NumberOfCodeBlocks, 1004 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 2289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 51/76 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: 85]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 97]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 177]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 189]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 214]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 226]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 243]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 272]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 284]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 296]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 308]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 374]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 386]: 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 18 specifications checked. All of them hold - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((main__urilen <= main__cp + 1 && 0 <= main__cp) && main__cp + 1 <= main__urilen) && main__c == 0) || ((1 <= main__c && 2 <= main__cp) && main__cp + 1 <= main__urilen)) || ((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((1 <= main__c && 1 <= main__cp) && main__cp + 1 < main__urilen) || ((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.27ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 55.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.46ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 52.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.92ms. Allocated memory is still 102.8MB. Free memory was 52.1MB in the beginning and 35.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 37774.35ms. Allocated memory was 102.8MB in the beginning and 272.6MB in the end (delta: 169.9MB). Free memory was 35.9MB in the beginning and 159.3MB in the end (delta: -123.4MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Witness Printer took 117.30ms. Allocated memory is still 272.6MB. Free memory was 159.3MB in the beginning and 153.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 05:20:16,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea324c5d-795f-4d27-8d3a-ec4e2f12ef7f/bin/ukojak-vF6T2TMglN/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