./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-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_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/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_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/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_fa76d931-b0c7-4360-814b-c5367bacd955/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 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:22:28,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:22:28,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:22:28,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:22:28,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:22:28,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:22:28,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:22:28,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:22:28,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:22:28,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:22:28,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:22:28,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:22:28,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:22:28,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:22:28,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:22:28,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:22:28,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:22:28,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:22:28,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:22:28,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:22:28,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:22:28,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:22:28,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:22:28,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:22:28,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:22:28,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:22:28,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:22:28,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:22:28,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:22:28,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:22:28,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:22:28,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:22:28,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:22:28,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:22:28,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:22:28,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:22:28,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:22:28,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:22:28,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:22:28,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:22:28,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:22:28,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:22:28,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:22:28,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:22:28,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:22:28,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:22:28,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:22:28,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:22:28,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:22:28,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:22:28,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:22:28,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:22:28,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:22:28,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:22:28,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:22:28,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:22:28,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:22:28,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:22:28,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:22:28,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:22:28,498 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:22:28,499 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:22:28,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:22:28,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:22:28,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:22:28,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:22:28,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:22:28,500 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:22:28,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:22:28,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:22:28,501 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_fa76d931-b0c7-4360-814b-c5367bacd955/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 [2021-11-21 05:22:28,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:22:28,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:22:28,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:22:28,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:22:28,758 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:22:28,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2021-11-21 05:22:28,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/data/ebf259135/5570a5be3e0a42208b1bb6e4ef532ba8/FLAGde450ae19 [2021-11-21 05:22:29,289 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:22:29,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2021-11-21 05:22:29,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/data/ebf259135/5570a5be3e0a42208b1bb6e4ef532ba8/FLAGde450ae19 [2021-11-21 05:22:29,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/data/ebf259135/5570a5be3e0a42208b1bb6e4ef532ba8 [2021-11-21 05:22:29,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:22:29,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:22:29,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:22:29,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:22:29,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:22:29,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:22:29" (1/1) ... [2021-11-21 05:22:29,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36acf547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:29, skipping insertion in model container [2021-11-21 05:22:29,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:22:29" (1/1) ... [2021-11-21 05:22:29,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:22:29,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:22:29,916 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2021-11-21 05:22:29,930 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2021-11-21 05:22:29,934 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2021-11-21 05:22:29,937 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2021-11-21 05:22:29,941 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2021-11-21 05:22:29,943 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2021-11-21 05:22:29,945 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2021-11-21 05:22:29,947 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2021-11-21 05:22:29,950 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2021-11-21 05:22:29,957 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2021-11-21 05:22:29,959 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2021-11-21 05:22:29,964 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2021-11-21 05:22:29,967 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2021-11-21 05:22:29,968 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2021-11-21 05:22:29,970 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2021-11-21 05:22:29,971 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2021-11-21 05:22:29,973 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2021-11-21 05:22:29,974 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2021-11-21 05:22:29,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:22:29,985 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:22:29,998 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2021-11-21 05:22:30,000 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2021-11-21 05:22:30,001 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2021-11-21 05:22:30,004 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2021-11-21 05:22:30,005 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2021-11-21 05:22:30,007 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2021-11-21 05:22:30,008 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2021-11-21 05:22:30,010 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2021-11-21 05:22:30,012 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2021-11-21 05:22:30,015 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2021-11-21 05:22:30,016 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2021-11-21 05:22:30,018 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2021-11-21 05:22:30,020 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2021-11-21 05:22:30,021 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2021-11-21 05:22:30,023 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2021-11-21 05:22:30,024 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2021-11-21 05:22:30,026 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2021-11-21 05:22:30,027 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_fa76d931-b0c7-4360-814b-c5367bacd955/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2021-11-21 05:22:30,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:22:30,042 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:22:30,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30 WrapperNode [2021-11-21 05:22:30,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:22:30,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:22:30,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:22:30,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:22:30,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,090 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 244 [2021-11-21 05:22:30,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:22:30,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:22:30,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:22:30,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:22:30,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:22:30,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:22:30,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:22:30,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:22:30,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:22:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:22:30,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:22:30,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:22:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:22:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:22:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:22:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:22:30,312 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:22:30,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:22:30,541 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:22:30,555 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:22:30,556 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 05:22:30,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:22:30 BoogieIcfgContainer [2021-11-21 05:22:30,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:22:30,559 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:22:30,560 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:22:30,570 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:22:30,574 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:22:30" (1/1) ... [2021-11-21 05:22:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:22:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 102 transitions. [2021-11-21 05:22:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-11-21 05:22:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:22:30,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:30,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:30,847 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 05:22:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2021-11-21 05:22:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-11-21 05:22:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:22:30,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:30,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2021-11-21 05:22:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2021-11-21 05:22:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:22:31,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:31,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:31,109 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 05:22:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2021-11-21 05:22:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-11-21 05:22:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:22:31,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:31,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:31,310 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 05:22:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2021-11-21 05:22:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2021-11-21 05:22:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:22:31,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:31,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:31,538 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 05:22:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2021-11-21 05:22:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-11-21 05:22:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:22:31,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:31,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:31,700 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 05:22:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2021-11-21 05:22:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-11-21 05:22:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:22:31,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:31,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:31,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2021-11-21 05:22:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2021-11-21 05:22:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:22:31,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:31,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:32,047 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 05:22:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2021-11-21 05:22:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2021-11-21 05:22:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:22:32,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:32,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:32,459 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 05:22:33,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:33,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 79 states and 111 transitions. [2021-11-21 05:22:33,189 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2021-11-21 05:22:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:22:33,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:33,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:33,295 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 05:22:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2021-11-21 05:22:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2021-11-21 05:22:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:22:33,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:33,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:33,586 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 05:22:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 84 states and 117 transitions. [2021-11-21 05:22:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 117 transitions. [2021-11-21 05:22:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:22:33,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:33,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:33,692 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 05:22:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2021-11-21 05:22:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2021-11-21 05:22:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:22:33,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:33,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:33,903 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 05:22:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 92 states and 130 transitions. [2021-11-21 05:22:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2021-11-21 05:22:34,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:22:34,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:34,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:34,429 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 05:22:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 94 states and 132 transitions. [2021-11-21 05:22:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-11-21 05:22:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:22:34,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:34,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:34,604 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 05:22:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 97 states and 136 transitions. [2021-11-21 05:22:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2021-11-21 05:22:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:22:34,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:34,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:34,959 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 05:22:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 100 states and 140 transitions. [2021-11-21 05:22:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 140 transitions. [2021-11-21 05:22:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:22:35,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:35,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:35,302 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 05:22:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 147 transitions. [2021-11-21 05:22:35,919 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-11-21 05:22:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:22:35,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:35,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:22:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 106 states and 153 transitions. [2021-11-21 05:22:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2021-11-21 05:22:36,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:22:36,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:36,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:36,236 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 05:22:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 109 states and 157 transitions. [2021-11-21 05:22:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2021-11-21 05:22:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:22:36,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:36,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 160 transitions. [2021-11-21 05:22:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2021-11-21 05:22:37,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:22:37,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:37,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:37,335 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 05:22:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 115 states and 165 transitions. [2021-11-21 05:22:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2021-11-21 05:22:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:22:37,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:37,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:38,076 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 05:22:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 113 states and 162 transitions. [2021-11-21 05:22:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 162 transitions. [2021-11-21 05:22:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:22:38,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:38,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 114 states and 164 transitions. [2021-11-21 05:22:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2021-11-21 05:22:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:22:38,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:38,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:38,677 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 05:22:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 117 states and 167 transitions. [2021-11-21 05:22:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 167 transitions. [2021-11-21 05:22:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:22:39,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:39,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:39,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:41,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 122 states and 174 transitions. [2021-11-21 05:22:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2021-11-21 05:22:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:22:41,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:41,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 123 states and 175 transitions. [2021-11-21 05:22:41,412 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2021-11-21 05:22:41,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:22:41,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:41,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:41,559 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 05:22:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 127 states and 182 transitions. [2021-11-21 05:22:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 182 transitions. [2021-11-21 05:22:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:42,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:42,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:42,838 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 05:22:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 133 states and 191 transitions. [2021-11-21 05:22:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 191 transitions. [2021-11-21 05:22:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:43,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:43,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:43,862 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 05:22:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:44,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 135 states and 193 transitions. [2021-11-21 05:22:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 193 transitions. [2021-11-21 05:22:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:22:44,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:44,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2021-11-21 05:22:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2021-11-21 05:22:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:22:44,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:44,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 136 states and 193 transitions. [2021-11-21 05:22:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 193 transitions. [2021-11-21 05:22:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:22:45,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:45,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 139 states and 197 transitions. [2021-11-21 05:22:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 197 transitions. [2021-11-21 05:22:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:22:46,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:46,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2021-11-21 05:22:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-21 05:22:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:22:46,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:46,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:46,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:22:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 131 states and 185 transitions. [2021-11-21 05:22:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 185 transitions. [2021-11-21 05:22:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:22:46,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:46,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:46,725 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 05:22:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 126 states and 178 transitions. [2021-11-21 05:22:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2021-11-21 05:22:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:22:47,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:47,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:22:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 120 states and 169 transitions. [2021-11-21 05:22:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2021-11-21 05:22:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:22:47,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:47,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:47,491 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 05:22:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 121 states and 169 transitions. [2021-11-21 05:22:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2021-11-21 05:22:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:22:47,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:47,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 108 states and 147 transitions. [2021-11-21 05:22:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2021-11-21 05:22:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:22:48,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:48,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:48,242 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 05:22:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 109 states and 147 transitions. [2021-11-21 05:22:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2021-11-21 05:22:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:48,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:48,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:48,610 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 05:22:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 107 states and 144 transitions. [2021-11-21 05:22:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2021-11-21 05:22:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:49,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:49,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2021-11-21 05:22:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2021-11-21 05:22:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:49,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:49,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:22:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 71 states and 90 transitions. [2021-11-21 05:22:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-11-21 05:22:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:22:50,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:50,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:50,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 92 transitions. [2021-11-21 05:22:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2021-11-21 05:22:50,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:22:50,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:50,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:22:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2021-11-21 05:22:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2021-11-21 05:22:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:22:50,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:50,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2021-11-21 05:22:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2021-11-21 05:22:51,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:22:51,009 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2021-11-21 05:22:51,018 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2021-11-21 05:22:51,238 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-21 05:22:51,246 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2021-11-21 05:22:51,247 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2021-11-21 05:22:51,248 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:22:51,248 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:22:51,249 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-21 05:22:51,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:22:51 ImpRootNode [2021-11-21 05:22:51,250 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:22:51,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:22:51,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:22:51,250 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:22:51,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:22:30" (3/4) ... [2021-11-21 05:22:51,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:22:51,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-21 05:22:51,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 05:22:51,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:22:51,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:22:51,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:22:51,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:22:51,357 INFO L158 Benchmark]: Toolchain (without parser) took 21698.05ms. Allocated memory was 102.8MB in the beginning and 207.6MB in the end (delta: 104.9MB). Free memory was 74.1MB in the beginning and 116.4MB in the end (delta: -42.3MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-11-21 05:22:51,357 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:22:51,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.42ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:22:51,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.06ms. Allocated memory is still 102.8MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:22:51,360 INFO L158 Benchmark]: Boogie Preprocessor took 26.40ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 69.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:22:51,360 INFO L158 Benchmark]: RCFGBuilder took 440.48ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 54.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 05:22:51,361 INFO L158 Benchmark]: CodeCheck took 20690.17ms. Allocated memory was 102.8MB in the beginning and 207.6MB in the end (delta: 104.9MB). Free memory was 54.1MB in the beginning and 121.6MB in the end (delta: -67.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-11-21 05:22:51,361 INFO L158 Benchmark]: Witness Printer took 105.95ms. Allocated memory is still 207.6MB. Free memory was 121.6MB in the beginning and 116.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:22:51,363 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, 73 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 46, 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, 8510 SdHoareTripleChecker+Valid, 21.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4734 mSDsluCounter, 2999 SdHoareTripleChecker+Invalid, 16.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1596 mSDsCounter, 3944 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16345 IncrementalHoareTripleChecker+Invalid, 20289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3944 mSolverCounterUnsat, 1403 mSDtfsCounter, 16345 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5919 GetRequests, 5349 SyntacticMatches, 266 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35514 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 2265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 34 PerfectInterpolantSequences, 56/76 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: 52]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 72]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 114]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 126]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 142]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 154]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 176]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 188]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 224]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 236]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 278]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 309]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 345]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 366]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 378]: 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: 32]: Loop Invariant Derived loop invariant: ((!(main__tagbuf_len == 0) && main__t == 0) && 0 < main__tagbuf_len + 1) || (1 <= main__t && main__t < main__tagbuf_len) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((1 <= main__t && !(main__tagbuf_len == 0)) && 0 < main__tagbuf_len + 1) && main__t <= 1) && !(main__t == main__tagbuf_len)) || (1 < main__t && main__t < main__tagbuf_len) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((1 <= main__t && !(main__tagbuf_len == 0)) && 0 < main__tagbuf_len + 1) && main__t <= 1) || (1 < main__t && main__t <= main__tagbuf_len) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((!(main__tagbuf_len == 0) && main__t == 0) && 0 < main__tagbuf_len + 1) || (1 <= main__t && main__t < main__tagbuf_len) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.42ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.06ms. Allocated memory is still 102.8MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.40ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 69.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.48ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 54.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 20690.17ms. Allocated memory was 102.8MB in the beginning and 207.6MB in the end (delta: 104.9MB). Free memory was 54.1MB in the beginning and 121.6MB in the end (delta: -67.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 105.95ms. Allocated memory is still 207.6MB. Free memory was 121.6MB in the beginning and 116.4MB 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! [2021-11-21 05:22:51,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa76d931-b0c7-4360-814b-c5367bacd955/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE