./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_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_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/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_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/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_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/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 7bf21a3e1e114bffc19370352e28c32d3665056e9fe88e223bf8fe7ed0e63863 --- 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 02:33:16,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:33:16,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:33:16,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:33:16,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:33:16,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:33:16,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:33:16,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:33:16,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:33:16,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:33:16,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:33:16,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:33:16,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:33:16,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:33:16,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:33:16,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:33:16,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:33:16,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:33:16,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:33:16,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:33:16,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:33:16,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:33:16,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:33:16,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:33:16,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:33:16,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:33:16,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:33:16,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:33:16,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:33:16,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:33:16,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:33:16,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:33:16,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:33:16,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:33:16,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:33:16,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:33:16,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:33:16,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:33:16,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:33:16,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:33:16,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:33:16,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:33:16,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:33:16,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:33:16,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:33:16,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:33:16,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:33:16,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:33:16,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:33:16,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:33:16,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:33:16,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:33:16,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:33:16,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:33:16,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:33:16,216 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:33:16,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:33:16,216 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:33:16,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:33:16,216 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:33:16,216 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:33:16,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:33:16,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:33:16,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:33:16,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:33:16,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:33:16,217 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:33:16,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:33:16,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:33:16,217 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_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf21a3e1e114bffc19370352e28c32d3665056e9fe88e223bf8fe7ed0e63863 [2022-12-15 02:33:16,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:33:16,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:33:16,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:33:16,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:33:16,401 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:33:16,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i [2022-12-15 02:33:18,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:33:19,227 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:33:19,227 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i [2022-12-15 02:33:19,244 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/data/62ee31d5b/ff857d4aa0ca425198252ab6703c0ada/FLAGb7241f465 [2022-12-15 02:33:19,524 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/data/62ee31d5b/ff857d4aa0ca425198252ab6703c0ada [2022-12-15 02:33:19,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:33:19,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:33:19,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:33:19,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:33:19,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:33:19,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:33:19" (1/1) ... [2022-12-15 02:33:19,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1532a308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:19, skipping insertion in model container [2022-12-15 02:33:19,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:33:19" (1/1) ... [2022-12-15 02:33:19,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:33:19,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:33:19,811 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:33:20,110 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:33:20,115 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:20,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:20,120 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:20,121 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:20,147 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:33:20,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:33:20,161 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:33:20,179 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:33:20,221 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:33:20,222 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:20,223 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:33:20,226 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:20,226 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:33:20,231 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:33:20,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:33:20,322 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:33:20,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20 WrapperNode [2022-12-15 02:33:20,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:33:20,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:33:20,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:33:20,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:33:20,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,358 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2022-12-15 02:33:20,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:33:20,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:33:20,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:33:20,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:33:20,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,374 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:33:20,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:33:20,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:33:20,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:33:20,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:33:20,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:33:20,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:33:20,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:33:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 02:33:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 02:33:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 02:33:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-15 02:33:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:33:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:33:20,537 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:33:20,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:33:20,655 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:33:20,674 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:33:20,674 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 02:33:20,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:33:20 BoogieIcfgContainer [2022-12-15 02:33:20,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:33:20,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:33:20,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:33:20,684 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:33:20,684 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:33:20" (1/1) ... [2022-12-15 02:33:20,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:33:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-12-15 02:33:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-12-15 02:33:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:33:20,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:20,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:20,940 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 02:33:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-12-15 02:33:21,014 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-15 02:33:21,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:33:21,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:21,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:21,061 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 02:33:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 41 transitions. [2022-12-15 02:33:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 02:33:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:33:21,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:21,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:21,202 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 02:33:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 47 transitions. [2022-12-15 02:33:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-12-15 02:33:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:33:21,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:21,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:21,516 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 02:33:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 50 transitions. [2022-12-15 02:33:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-12-15 02:33:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:33:21,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:21,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:33:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 46 transitions. [2022-12-15 02:33:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-12-15 02:33:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:33:22,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:22,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:33:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 45 transitions. [2022-12-15 02:33:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-12-15 02:33:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:33:23,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:33:23,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:33:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:33:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:33:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:33:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 44 transitions. [2022-12-15 02:33:23,259 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 02:33:23,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:33:23,260 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-15 02:33:23,268 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 02:33:23,346 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:33:23,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:33:23 ImpRootNode [2022-12-15 02:33:23,350 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:33:23,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:33:23,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:33:23,351 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:33:23,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:33:20" (3/4) ... [2022-12-15 02:33:23,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:33:23,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 02:33:23,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 02:33:23,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-15 02:33:23,362 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-15 02:33:23,362 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-15 02:33:23,362 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 02:33:23,362 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:33:23,397 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:33:23,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:33:23,397 INFO L158 Benchmark]: Toolchain (without parser) took 3869.89ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 70.3MB in the end (delta: 35.3MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-12-15 02:33:23,397 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:33:23,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.00ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 108.2MB in the end (delta: -2.6MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2022-12-15 02:33:23,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.52ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 105.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:23,398 INFO L158 Benchmark]: Boogie Preprocessor took 17.51ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:23,399 INFO L158 Benchmark]: RCFGBuilder took 299.43ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 88.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 02:33:23,399 INFO L158 Benchmark]: CodeCheck took 2673.30ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 73.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-12-15 02:33:23,399 INFO L158 Benchmark]: Witness Printer took 46.11ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 70.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:33:23,401 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 174 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 174 mSolverCounterUnsat, 152 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 848 GetRequests, 770 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1590 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 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: 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.00ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 108.2MB in the end (delta: -2.6MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.52ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 105.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.51ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.43ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 88.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2673.30ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 73.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Witness Printer took 46.11ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 70.3MB 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! [2022-12-15 02:33:23,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e437ad3-0404-49a2-a8c9-7bc22aae8d63/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