./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_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_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/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_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/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_6f1bb61c-f1d6-480e-83d9-afde66c35e38/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 04644acaf370bca62df88ff325ae014fc2f30d4bd602136cf797da96c10ed133 --- 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 [2022-12-14 22:13:20,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:13:20,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:13:20,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:13:20,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:13:20,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:13:20,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:13:20,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:13:20,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:13:20,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:13:20,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:13:20,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:13:20,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:13:20,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:13:20,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:13:20,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:13:20,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:13:20,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:13:20,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:13:20,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:13:20,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:13:20,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:13:20,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:13:20,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:13:20,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:13:20,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:13:20,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:13:20,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:13:20,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:13:20,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:13:20,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:13:20,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:13:20,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:13:20,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:13:20,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:13:20,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:13:20,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:13:20,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:13:20,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:13:20,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:13:20,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:13:20,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:13:20,238 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:13:20,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:13:20,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:13:20,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:13:20,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:13:20,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:13:20,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:13:20,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:13:20,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:13:20,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:13:20,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:13:20,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:13:20,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:13:20,241 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:13:20,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:13:20,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:13:20,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:13:20,242 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:13:20,242 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:13:20,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:13:20,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:13:20,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:13:20,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:13:20,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:13:20,243 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:13:20,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:13:20,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:13:20,244 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_6f1bb61c-f1d6-480e-83d9-afde66c35e38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04644acaf370bca62df88ff325ae014fc2f30d4bd602136cf797da96c10ed133 [2022-12-14 22:13:20,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:13:20,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:13:20,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:13:20,443 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:13:20,444 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:13:20,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_good.i [2022-12-14 22:13:23,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:13:23,302 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:13:23,303 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_good.i [2022-12-14 22:13:23,321 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/data/9fc0cb057/5f582a2085f244f38e88ce7fcd930f8a/FLAGe1d25d9be [2022-12-14 22:13:23,333 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/data/9fc0cb057/5f582a2085f244f38e88ce7fcd930f8a [2022-12-14 22:13:23,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:13:23,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:13:23,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:13:23,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:13:23,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:13:23,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:13:23" (1/1) ... [2022-12-14 22:13:23,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9660744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:23, skipping insertion in model container [2022-12-14 22:13:23,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:13:23" (1/1) ... [2022-12-14 22:13:23,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:13:23,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:13:23,640 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:13:23,957 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:13:23,962 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:13:23,965 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:13:23,967 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:13:23,968 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:13:23,993 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:13:24,000 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:13:24,009 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:13:24,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:13:24,021 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:13:24,039 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:13:24,084 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:13:24,086 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:13:24,087 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:13:24,089 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:13:24,090 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:13:24,094 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:13:24,096 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:13:24,100 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:13:24,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:13:24,192 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:13:24,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24 WrapperNode [2022-12-14 22:13:24,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:13:24,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:13:24,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:13:24,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:13:24,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,244 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-14 22:13:24,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:13:24,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:13:24,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:13:24,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:13:24,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,266 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:13:24,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:13:24,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:13:24,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:13:24,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:13:24,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:13:24,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:13:24,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:13:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 22:13:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 22:13:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:13:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 22:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:13:24,467 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:13:24,469 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:13:24,619 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:13:24,649 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:13:24,649 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 22:13:24,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:13:24 BoogieIcfgContainer [2022-12-14 22:13:24,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:13:24,653 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:13:24,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:13:24,661 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:13:24,661 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:13:24" (1/1) ... [2022-12-14 22:13:24,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:13:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2022-12-14 22:13:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2022-12-14 22:13:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:13:24,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:13:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 66 transitions. [2022-12-14 22:13:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-12-14 22:13:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:13:24,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:13:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 65 transitions. [2022-12-14 22:13:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-12-14 22:13:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:13:25,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:13:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 71 transitions. [2022-12-14 22:13:25,168 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-12-14 22:13:25,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:13:25,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:13:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 64 transitions. [2022-12-14 22:13:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-12-14 22:13:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:13:25,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:13:25,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 62 transitions. [2022-12-14 22:13:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-12-14 22:13:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:13:25,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:13:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 61 transitions. [2022-12-14 22:13:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-12-14 22:13:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:13:25,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:13:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 66 transitions. [2022-12-14 22:13:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 22:13:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:13:25,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:13:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 60 transitions. [2022-12-14 22:13:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-12-14 22:13:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:13:25,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:13:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 55 transitions. [2022-12-14 22:13:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 22:13:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:13:25,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:13:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 54 transitions. [2022-12-14 22:13:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-12-14 22:13:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:13:25,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:13:25,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 52 transitions. [2022-12-14 22:13:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-12-14 22:13:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:13:25,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:25,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:13:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:25,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 51 transitions. [2022-12-14 22:13:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-14 22:13:25,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:13:25,900 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-12-14 22:13:25,907 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 22:13:25,952 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:13:25,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:13:25 ImpRootNode [2022-12-14 22:13:25,957 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:13:25,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:13:25,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:13:25,957 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:13:25,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:13:24" (3/4) ... [2022-12-14 22:13:25,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:13:25,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 22:13:25,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 22:13:25,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 22:13:25,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 22:13:25,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 22:13:25,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:13:25,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:13:26,014 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:13:26,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:13:26,015 INFO L158 Benchmark]: Toolchain (without parser) took 2678.00ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 93.8MB in the beginning and 68.3MB in the end (delta: 25.4MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,015 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:13:26,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.77ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 86.4MB in the end (delta: 7.1MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.61ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 83.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,016 INFO L158 Benchmark]: Boogie Preprocessor took 24.96ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 82.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:13:26,016 INFO L158 Benchmark]: RCFGBuilder took 381.79ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 64.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,017 INFO L158 Benchmark]: CodeCheck took 1303.61ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 71.5MB in the end (delta: -8.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,017 INFO L158 Benchmark]: Witness Printer took 57.23ms. Allocated memory is still 163.6MB. Free memory was 71.5MB in the beginning and 68.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,018 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, 50 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1016 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 702 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 548 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1827 GetRequests, 1790 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 38/38 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: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.77ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 86.4MB in the end (delta: 7.1MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.61ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 83.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.96ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 82.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.79ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 64.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1303.61ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 71.5MB in the end (delta: -8.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 57.23ms. Allocated memory is still 163.6MB. Free memory was 71.5MB in the beginning and 68.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:13:26,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f1bb61c-f1d6-480e-83d9-afde66c35e38/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