./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_bad.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_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45d4c25a463b78ca4e1cc353c01da098f6455cff803de4b6a03cb8f6c49fdeab --- 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 [2022-12-13 20:21:29,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:21:29,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:21:29,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:21:29,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:21:29,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:21:29,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:21:29,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:21:29,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:21:29,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:21:29,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:21:29,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:21:29,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:21:29,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:21:29,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:21:29,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:21:29,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:21:29,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:21:29,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:21:29,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:21:29,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:21:29,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:21:29,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:21:29,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:21:29,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:21:29,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:21:29,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:21:29,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:21:29,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:21:29,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:21:29,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:21:29,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:21:29,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:21:29,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:21:29,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:21:29,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:21:29,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:21:29,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:21:29,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:21:29,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:21:29,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:21:29,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:21:29,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:21:29,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:21:29,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:21:29,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:21:29,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:21:29,268 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:21:29,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:21:29,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:21:29,273 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:21:29,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:21:29,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:21:29,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:21:29,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:21:29,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:21:29,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:21:29,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:21:29,275 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:21:29,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:21:29,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:21:29,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:21:29,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:21:29,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:21:29,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:21:29,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:21:29,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:21:29,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:21:29,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:21:29,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:21:29,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:21:29,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:21:29,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:21:29,277 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:21:29,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:21:29,277 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:21:29,278 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45d4c25a463b78ca4e1cc353c01da098f6455cff803de4b6a03cb8f6c49fdeab [2022-12-13 20:21:29,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:21:29,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:21:29,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:21:29,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:21:29,496 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:21:29,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_bad.i [2022-12-13 20:21:32,096 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:21:32,456 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:21:32,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_52_bad.i [2022-12-13 20:21:32,476 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/data/fb7d9d8f2/e9414aee11b345008a31fc476f3c4173/FLAG51c91f643 [2022-12-13 20:21:32,710 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/data/fb7d9d8f2/e9414aee11b345008a31fc476f3c4173 [2022-12-13 20:21:32,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:21:32,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:21:32,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:21:32,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:21:32,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:21:32,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:21:32" (1/1) ... [2022-12-13 20:21:32,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554e2d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:32, skipping insertion in model container [2022-12-13 20:21:32,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:21:32" (1/1) ... [2022-12-13 20:21:32,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:21:32,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:21:33,020 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:21:33,425 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:21:33,430 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:33,432 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:33,433 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:33,434 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:33,822 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:21:33,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:21:33,833 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:21:33,846 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:21:33,884 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:21:33,885 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:33,886 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:33,888 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:33,889 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:33,901 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:21:33,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:21:34,207 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:21:34,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34 WrapperNode [2022-12-13 20:21:34,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:21:34,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:21:34,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:21:34,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:21:34,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,272 INFO L138 Inliner]: procedures = 939, calls = 61, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2022-12-13 20:21:34,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:21:34,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:21:34,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:21:34,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:21:34,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:21:34,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:21:34,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:21:34,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:21:34,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (1/1) ... [2022-12-13 20:21:34,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:21:34,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:21:34,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:21:34,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:21:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:21:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:21:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:21:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:21:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:21:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:21:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:21:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:21:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:21:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:21:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:21:34,466 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:21:34,467 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:21:34,577 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:21:34,581 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:21:34,582 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:21:34,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:21:34 BoogieIcfgContainer [2022-12-13 20:21:34,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:21:34,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:21:34,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:21:34,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:21:34,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:21:32" (1/3) ... [2022-12-13 20:21:34,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f3aaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:21:34, skipping insertion in model container [2022-12-13 20:21:34,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:34" (2/3) ... [2022-12-13 20:21:34,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f3aaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:21:34, skipping insertion in model container [2022-12-13 20:21:34,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:21:34" (3/3) ... [2022-12-13 20:21:34,590 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_52_bad.i [2022-12-13 20:21:34,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:21:34,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:21:34,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:21:34,646 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48d1707c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:21:34,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:21:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:21:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 20:21:34,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:21:34,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:21:34,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:21:34,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:21:34,661 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2022-12-13 20:21:34,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:21:34,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969092380] [2022-12-13 20:21:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:21:34,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:21:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:21:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:21:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:21:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:21:34,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:21:34,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969092380] [2022-12-13 20:21:34,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969092380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:21:34,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:21:34,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 20:21:34,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335367842] [2022-12-13 20:21:34,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:21:34,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:21:34,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:21:34,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:21:34,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:21:34,875 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:21:34,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:21:34,888 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-12-13 20:21:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:21:34,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-13 20:21:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:21:34,895 INFO L225 Difference]: With dead ends: 21 [2022-12-13 20:21:34,895 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 20:21:34,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:21:34,900 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:21:34,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:21:34,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 20:21:34,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-12-13 20:21:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:21:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-12-13 20:21:34,928 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2022-12-13 20:21:34,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:21:34,929 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-12-13 20:21:34,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:21:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-12-13 20:21:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 20:21:34,930 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:21:34,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:21:34,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:21:34,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:21:34,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:21:34,931 INFO L85 PathProgramCache]: Analyzing trace with hash 869222551, now seen corresponding path program 1 times [2022-12-13 20:21:34,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:21:34,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122862709] [2022-12-13 20:21:34,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:21:34,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:21:34,959 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 20:21:34,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969538647] [2022-12-13 20:21:34,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:21:34,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:21:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:21:34,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:21:34,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:21:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:21:35,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:21:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:21:35,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:21:35,102 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:21:35,103 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:21:35,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:21:35,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:21:35,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:21:35,313 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:21:35,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:21:35,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:21:35 BoogieIcfgContainer [2022-12-13 20:21:35,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:21:35,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:21:35,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:21:35,409 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:21:35,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:21:34" (3/4) ... [2022-12-13 20:21:35,415 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:21:35,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:21:35,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:21:35,453 INFO L158 Benchmark]: Toolchain (without parser) took 2738.66ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 118.2MB in the beginning and 127.0MB in the end (delta: -8.9MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2022-12-13 20:21:35,453 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:21:35,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.24ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 117.6MB in the beginning and 184.7MB in the end (delta: -67.1MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2022-12-13 20:21:35,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.66ms. Allocated memory is still 226.5MB. Free memory was 184.7MB in the beginning and 180.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:21:35,454 INFO L158 Benchmark]: Boogie Preprocessor took 20.41ms. Allocated memory is still 226.5MB. Free memory was 180.4MB in the beginning and 179.5MB in the end (delta: 945.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:21:35,455 INFO L158 Benchmark]: RCFGBuilder took 289.45ms. Allocated memory is still 226.5MB. Free memory was 178.4MB in the beginning and 165.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:21:35,455 INFO L158 Benchmark]: TraceAbstraction took 821.55ms. Allocated memory is still 226.5MB. Free memory was 164.8MB in the beginning and 129.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 20:21:35,455 INFO L158 Benchmark]: Witness Printer took 44.37ms. Allocated memory is still 226.5MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:21:35,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.24ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 117.6MB in the beginning and 184.7MB in the end (delta: -67.1MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.66ms. Allocated memory is still 226.5MB. Free memory was 184.7MB in the beginning and 180.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.41ms. Allocated memory is still 226.5MB. Free memory was 180.4MB in the beginning and 179.5MB in the end (delta: 945.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.45ms. Allocated memory is still 226.5MB. Free memory was 178.4MB in the beginning and 165.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 821.55ms. Allocated memory is still 226.5MB. Free memory was 164.8MB in the beginning and 129.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 44.37ms. Allocated memory is still 226.5MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1856]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1843] RET printLine("Calling bad()...") VAL [\old(argc)=37, argc=37, argv={38:36}, argv={38:36}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] CALL CWE190_Integer_Overflow__int_fscanf_square_52_bad() [L1835] int data; [L1836] data = 0 [L1838] EXPR \read(data) [L1838] CALL CWE190_Integer_Overflow__int_fscanf_square_52b_badSink(data) [L1851] CALL CWE190_Integer_Overflow__int_fscanf_square_52c_badSink(data) [L1856] data * data VAL [\old(data)=-715827882, data=-715827882, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1856]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:21:35,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3c4fde-c706-47a6-aa58-41f08b577e02/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)