./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_14_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8cb9b831686b46e5b79223b03ef7d7bcd4e0f85b16b27ca03c629a36fbfde9de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:21:28,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:21:28,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:21:28,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:21:28,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:21:28,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:21:28,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:21:28,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:21:28,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:21:28,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:21:28,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:21:28,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:21:28,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:21:28,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:21:28,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:21:28,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:21:28,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:21:28,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:21:28,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:21:28,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:21:28,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:21:28,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:21:28,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:21:28,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:21:28,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:21:28,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:21:28,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:21:28,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:21:28,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:21:28,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:21:28,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:21:28,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:21:28,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:21:28,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:21:28,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:21:28,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:21:28,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:21:28,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:21:28,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:21:28,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:21:28,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:21:28,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:21:28,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:21:28,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:21:28,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:21:28,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:21:28,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:21:28,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:21:28,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:21:28,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:21:28,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:21:28,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:21:28,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:21:28,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:21:28,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:21:28,190 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:21:28,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:21:28,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:21:28,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:21:28,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:21:28,191 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:21:28,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:21:28,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:21:28,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:21:28,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:21:28,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:21:28,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:21:28,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:21:28,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:21:28,192 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_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cb9b831686b46e5b79223b03ef7d7bcd4e0f85b16b27ca03c629a36fbfde9de [2022-12-15 01:21:28,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:21:28,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:21:28,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:21:28,373 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:21:28,374 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:21:28,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_14_good.i [2022-12-15 01:21:31,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:21:31,293 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:21:31,294 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_14_good.i [2022-12-15 01:21:31,306 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/data/04aacc93f/445d479d1feb489e9f4dd6f3f1ced49e/FLAG77409d7ae [2022-12-15 01:21:31,317 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/data/04aacc93f/445d479d1feb489e9f4dd6f3f1ced49e [2022-12-15 01:21:31,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:21:31,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:21:31,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:21:31,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:21:31,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:21:31,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:21:31" (1/1) ... [2022-12-15 01:21:31,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469581ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:31, skipping insertion in model container [2022-12-15 01:21:31,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:21:31" (1/1) ... [2022-12-15 01:21:31,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:21:31,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:21:31,596 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:21:31,886 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:21:31,890 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:21:31,891 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:21:31,893 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:21:31,893 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:21:31,909 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:21:31,914 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:21:31,921 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:21:31,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:21:31,929 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:21:31,943 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:21:31,974 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:21:31,975 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:21:31,976 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:21:31,978 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:21:31,978 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:21:31,981 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:21:31,984 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:21:31,986 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:21:31,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:21:32,083 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:21:32,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32 WrapperNode [2022-12-15 01:21:32,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:21:32,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:21:32,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:21:32,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:21:32,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,120 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2022-12-15 01:21:32,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:21:32,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:21:32,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:21:32,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:21:32,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:21:32,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:21:32,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:21:32,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:21:32,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:21:32,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:21:32,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:21:32,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:21:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:21:32,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:21:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 01:21:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:21:32,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:21:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:21:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 01:21:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:21:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:21:32,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:21:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:21:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:21:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:21:32,307 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:21:32,309 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:21:32,455 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:21:32,476 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:21:32,477 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:21:32,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:21:32 BoogieIcfgContainer [2022-12-15 01:21:32,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:21:32,479 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:21:32,479 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:21:32,486 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:21:32,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:21:32" (1/1) ... [2022-12-15 01:21:32,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:21:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:32,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 01:21:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 01:21:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:21:32,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:32,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:21:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:32,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-12-15 01:21:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:21:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:21:32,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:21:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 71 transitions. [2022-12-15 01:21:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 01:21:32,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:21:32,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:32,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:21:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-12-15 01:21:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 01:21:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:21:32,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:21:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 70 transitions. [2022-12-15 01:21:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 01:21:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:21:33,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:21:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 72 transitions. [2022-12-15 01:21:33,137 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:21:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:21:33,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:21:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 75 transitions. [2022-12-15 01:21:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-12-15 01:21:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:21:33,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 69 transitions. [2022-12-15 01:21:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-12-15 01:21:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:21:33,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:21:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-12-15 01:21:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:21:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:21:33,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:21:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 65 transitions. [2022-12-15 01:21:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-12-15 01:21:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:21:33,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:21:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-12-15 01:21:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-12-15 01:21:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:21:33,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:21:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 74 transitions. [2022-12-15 01:21:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-12-15 01:21:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:21:33,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 66 transitions. [2022-12-15 01:21:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:21:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:21:33,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 63 transitions. [2022-12-15 01:21:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 01:21:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:21:33,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:33,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 67 transitions. [2022-12-15 01:21:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 01:21:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:21:33,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:33,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 72 transitions. [2022-12-15 01:21:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:21:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:21:34,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:34,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:21:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 74 transitions. [2022-12-15 01:21:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-12-15 01:21:34,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:21:34,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:34,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 56 states and 75 transitions. [2022-12-15 01:21:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-12-15 01:21:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:21:34,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:34,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:34,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 57 transitions. [2022-12-15 01:21:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-15 01:21:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:21:34,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:34,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 44 states and 56 transitions. [2022-12-15 01:21:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 01:21:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:21:34,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:21:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:21:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:21:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:21:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 43 states and 55 transitions. [2022-12-15 01:21:34,694 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 01:21:34,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:21:34,695 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-15 01:21:34,702 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:21:34,818 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:21:34,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:21:34 ImpRootNode [2022-12-15 01:21:34,823 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:21:34,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:21:34,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:21:34,824 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:21:34,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:21:32" (3/4) ... [2022-12-15 01:21:34,827 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:21:34,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:21:34,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:21:34,836 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 01:21:34,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:21:34,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:21:34,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:21:34,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:21:34,876 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:21:34,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:21:34,876 INFO L158 Benchmark]: Toolchain (without parser) took 3556.13ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 166.7MB in the beginning and 108.4MB in the end (delta: 58.3MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2022-12-15 01:21:34,877 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 71.9MB in the beginning and 71.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:21:34,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.23ms. Allocated memory is still 199.2MB. Free memory was 166.7MB in the beginning and 158.7MB in the end (delta: 7.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-12-15 01:21:34,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.55ms. Allocated memory is still 199.2MB. Free memory was 158.7MB in the beginning and 155.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:21:34,877 INFO L158 Benchmark]: Boogie Preprocessor took 19.13ms. Allocated memory is still 199.2MB. Free memory was 155.6MB in the beginning and 153.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:21:34,877 INFO L158 Benchmark]: RCFGBuilder took 338.23ms. Allocated memory is still 199.2MB. Free memory was 153.5MB in the beginning and 134.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 01:21:34,878 INFO L158 Benchmark]: CodeCheck took 2344.00ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 134.6MB in the beginning and 112.4MB in the end (delta: 22.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-15 01:21:34,878 INFO L158 Benchmark]: Witness Printer took 52.49ms. Allocated memory is still 239.1MB. Free memory was 112.4MB in the beginning and 108.4MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:21:34,880 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 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2739 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 814 mSDsluCounter, 2168 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 674 mSDsCounter, 512 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1899 IncrementalHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 512 mSolverCounterUnsat, 1494 mSDtfsCounter, 1899 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4043 GetRequests, 3967 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1764 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 71.9MB in the beginning and 71.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.23ms. Allocated memory is still 199.2MB. Free memory was 166.7MB in the beginning and 158.7MB in the end (delta: 7.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.55ms. Allocated memory is still 199.2MB. Free memory was 158.7MB in the beginning and 155.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.13ms. Allocated memory is still 199.2MB. Free memory was 155.6MB in the beginning and 153.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.23ms. Allocated memory is still 199.2MB. Free memory was 153.5MB in the beginning and 134.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2344.00ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 134.6MB in the beginning and 112.4MB in the end (delta: 22.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 52.49ms. Allocated memory is still 239.1MB. Free memory was 112.4MB in the beginning and 108.4MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:21:34,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f499b9-8b00-44d5-83c8-2d8236003702/bin/ukojak-rkRKPMF4O4/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