./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_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_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/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_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/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_d1f561e7-01e5-411d-a11d-3c249c43b47b/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 f04c94e9825c0ac99c5a0fda48444f0ae5a6924fd6905231643918113e76d83a --- 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 20:17:08,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:17:08,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:17:08,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:17:08,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:17:08,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:17:08,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:17:08,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:17:08,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:17:08,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:17:08,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:17:08,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:17:08,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:17:08,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:17:08,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:17:08,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:17:08,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:17:08,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:17:08,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:17:08,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:17:08,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:17:08,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:17:08,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:17:08,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:17:08,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:17:08,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:17:08,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:17:08,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:17:08,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:17:08,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:17:08,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:17:08,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:17:08,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:17:08,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:17:08,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:17:08,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:17:08,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:17:08,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:17:08,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:17:08,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:17:08,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:17:08,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:17:08,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:17:08,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:17:08,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:17:08,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:17:08,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:17:08,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:17:08,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:17:08,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:17:08,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:17:08,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:17:08,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:17:08,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:17:08,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:17:08,164 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:17:08,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:17:08,165 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:17:08,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:17:08,165 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:17:08,166 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:17:08,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:17:08,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:17:08,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:17:08,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:17:08,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:17:08,167 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:17:08,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:17:08,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:17:08,167 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_d1f561e7-01e5-411d-a11d-3c249c43b47b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f04c94e9825c0ac99c5a0fda48444f0ae5a6924fd6905231643918113e76d83a [2022-12-14 20:17:08,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:17:08,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:17:08,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:17:08,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:17:08,377 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:17:08,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_good.i [2022-12-14 20:17:11,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:17:11,288 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:17:11,288 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_good.i [2022-12-14 20:17:11,307 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/data/6589ecade/315a8d25e83a4cbfb972fb4dd6c4b174/FLAG7cc2bf096 [2022-12-14 20:17:11,570 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/data/6589ecade/315a8d25e83a4cbfb972fb4dd6c4b174 [2022-12-14 20:17:11,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:17:11,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:17:11,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:17:11,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:17:11,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:17:11,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:17:11" (1/1) ... [2022-12-14 20:17:11,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a60b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:11, skipping insertion in model container [2022-12-14 20:17:11,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:17:11" (1/1) ... [2022-12-14 20:17:11,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:17:11,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:17:11,917 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:17:12,220 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:17:12,224 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:12,225 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:12,227 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:12,227 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:12,253 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:17:12,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:17:12,261 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:17:12,280 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:17:12,323 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:17:12,324 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:12,325 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:12,328 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:12,328 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:12,336 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:17:12,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:17:12,452 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:17:12,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12 WrapperNode [2022-12-14 20:17:12,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:17:12,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:17:12,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:17:12,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:17:12,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,501 INFO L138 Inliner]: procedures = 503, calls = 83, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2022-12-14 20:17:12,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:17:12,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:17:12,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:17:12,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:17:12,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:17:12,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:17:12,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:17:12,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:17:12,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:17:12,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:17:12,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:17:12,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:17:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 20:17:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 20:17:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 20:17:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:17:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:17:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:17:12,708 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:17:12,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:17:12,878 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:17:12,924 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:17:12,924 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 20:17:12,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:12 BoogieIcfgContainer [2022-12-14 20:17:12,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:17:12,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:17:12,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:17:12,935 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:17:12,935 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:12" (1/1) ... [2022-12-14 20:17:12,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:17:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-12-14 20:17:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-12-14 20:17:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:17:13,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:13,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:13,332 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 20:17:13,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 59 transitions. [2022-12-14 20:17:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-12-14 20:17:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:17:13,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:13,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:13,498 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 20:17:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 58 transitions. [2022-12-14 20:17:13,628 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-12-14 20:17:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:17:13,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:13,780 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 20:17:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 56 transitions. [2022-12-14 20:17:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-12-14 20:17:13,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:17:13,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:13,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:13,945 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 20:17:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 55 transitions. [2022-12-14 20:17:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-12-14 20:17:14,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 20:17:14,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:14,188 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 20:17:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 51 transitions. [2022-12-14 20:17:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-14 20:17:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 20:17:14,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:14,276 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 20:17:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 49 transitions. [2022-12-14 20:17:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-12-14 20:17:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:17:14,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:14,413 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 20:17:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 48 transitions. [2022-12-14 20:17:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-12-14 20:17:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:17:14,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:14,510 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 20:17:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 46 transitions. [2022-12-14 20:17:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-12-14 20:17:14,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:17:14,583 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 20:17:14,589 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 20:17:14,627 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:17:14,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:17:14 ImpRootNode [2022-12-14 20:17:14,631 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:17:14,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:17:14,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:17:14,632 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:17:14,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:12" (3/4) ... [2022-12-14 20:17:14,635 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:17:14,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 20:17:14,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 20:17:14,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-14 20:17:14,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 20:17:14,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 20:17:14,645 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:17:14,693 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:17:14,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:17:14,694 INFO L158 Benchmark]: Toolchain (without parser) took 3120.30ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 102.6MB in the end (delta: -2.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-12-14 20:17:14,694 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:17:14,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.47ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 81.8MB in the end (delta: 18.0MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-12-14 20:17:14,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.71ms. Allocated memory is still 138.4MB. Free memory was 81.8MB in the beginning and 78.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:17:14,695 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 138.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:17:14,695 INFO L158 Benchmark]: RCFGBuilder took 397.88ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 57.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:17:14,696 INFO L158 Benchmark]: CodeCheck took 1704.17ms. Allocated memory is still 138.4MB. Free memory was 57.4MB in the beginning and 39.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-12-14 20:17:14,696 INFO L158 Benchmark]: Witness Printer took 61.70ms. Allocated memory is still 138.4MB. Free memory was 39.9MB in the beginning and 102.6MB in the end (delta: -62.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-12-14 20:17:14,698 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, 47 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 614 IncrementalHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 136 mSDtfsCounter, 614 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 992 GetRequests, 948 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1650]: 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 115.3MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.47ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 81.8MB in the end (delta: 18.0MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.71ms. Allocated memory is still 138.4MB. Free memory was 81.8MB in the beginning and 78.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 138.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.88ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 57.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1704.17ms. Allocated memory is still 138.4MB. Free memory was 57.4MB in the beginning and 39.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 61.70ms. Allocated memory is still 138.4MB. Free memory was 39.9MB in the beginning and 102.6MB in the end (delta: -62.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:17:14,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f561e7-01e5-411d-a11d-3c249c43b47b/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