./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_13_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_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8b1340768e928b3ffe92bcb39266a48a482b155422b2f95d8c0931683791d213 --- 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 12:02:50,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:02:50,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:02:50,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:02:50,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:02:50,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:02:50,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:02:50,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:02:50,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:02:50,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:02:50,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:02:50,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:02:50,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:02:50,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:02:50,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:02:50,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:02:50,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:02:50,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:02:50,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:02:50,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:02:50,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:02:50,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:02:50,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:02:50,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:02:50,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:02:50,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:02:50,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:02:50,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:02:50,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:02:50,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:02:50,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:02:50,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:02:50,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:02:50,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:02:50,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:02:50,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:02:50,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:02:50,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:02:50,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:02:50,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:02:50,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:02:50,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:02:50,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:02:50,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:02:50,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:02:50,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:02:50,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:02:50,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:02:50,243 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:02:50,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:02:50,244 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:02:50,244 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:02:50,244 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:02:50,244 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:02:50,244 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:02:50,245 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:02:50,245 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:02:50,245 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:02:50,245 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:02:50,245 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:02:50,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:02:50,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:02:50,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:02:50,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:02:50,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:02:50,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:02:50,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:02:50,247 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:02:50,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:02:50,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:02:50,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:02:50,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:02:50,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:02:50,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:02:50,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:02:50,248 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:02:50,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:02:50,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:02:50,249 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:02:50,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:02:50,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:02:50,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:02:50,249 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_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b1340768e928b3ffe92bcb39266a48a482b155422b2f95d8c0931683791d213 [2022-12-14 12:02:50,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:02:50,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:02:50,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:02:50,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:02:50,439 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:02:50,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_13_bad.i [2022-12-14 12:02:53,123 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:02:53,321 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:02:53,321 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_13_bad.i [2022-12-14 12:02:53,333 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/data/b19a5c535/4702ae62495d4e47ad039f3fd5b96276/FLAGd841bd5ea [2022-12-14 12:02:53,344 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/data/b19a5c535/4702ae62495d4e47ad039f3fd5b96276 [2022-12-14 12:02:53,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:02:53,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:02:53,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:02:53,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:02:53,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:02:53,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:02:53" (1/1) ... [2022-12-14 12:02:53,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2914cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:53, skipping insertion in model container [2022-12-14 12:02:53,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:02:53" (1/1) ... [2022-12-14 12:02:53,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:02:53,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:02:53,680 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:02:53,978 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:02:53,983 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:02:53,985 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:02:53,987 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:02:53,988 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:02:54,008 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:02:54,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:02:54,017 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:02:54,035 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:02:54,083 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:02:54,085 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:02:54,086 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:02:54,089 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:02:54,090 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:02:54,094 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:02:54,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:02:54,199 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:02:54,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54 WrapperNode [2022-12-14 12:02:54,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:02:54,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:02:54,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:02:54,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:02:54,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,248 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2022-12-14 12:02:54,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:02:54,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:02:54,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:02:54,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:02:54,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:02:54,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:02:54,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:02:54,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:02:54,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (1/1) ... [2022-12-14 12:02:54,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:02:54,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:02:54,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:02:54,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:02:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:02:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:02:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:02:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:02:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:02:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:02:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:02:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:02:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:02:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:02:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:02:54,447 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:02:54,448 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:02:54,545 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:02:54,575 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:02:54,575 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:02:54,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:02:54 BoogieIcfgContainer [2022-12-14 12:02:54,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:02:54,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:02:54,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:02:54,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:02:54,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:02:53" (1/3) ... [2022-12-14 12:02:54,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458996ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:02:54, skipping insertion in model container [2022-12-14 12:02:54,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:02:54" (2/3) ... [2022-12-14 12:02:54,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458996ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:02:54, skipping insertion in model container [2022-12-14 12:02:54,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:02:54" (3/3) ... [2022-12-14 12:02:54,584 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_13_bad.i [2022-12-14 12:02:54,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:02:54,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:02:54,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:02:54,635 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=FINITE_AUTOMATA, 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;@4984f3e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:02:54,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:02:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-12-14 12:02:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:02:54,643 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:02:54,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:02:54,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:02:54,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:02:54,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1554792972, now seen corresponding path program 1 times [2022-12-14 12:02:54,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:02:54,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040256597] [2022-12-14 12:02:54,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:02:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:02:54,885 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 12:02:54,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:02:54,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040256597] [2022-12-14 12:02:54,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040256597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:02:54,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:02:54,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:02:54,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441454620] [2022-12-14 12:02:54,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:02:54,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:02:54,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:02:54,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:02:54,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:02:54,915 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-12-14 12:02:54,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:02:54,962 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-12-14 12:02:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:02:54,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 8 [2022-12-14 12:02:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:02:54,969 INFO L225 Difference]: With dead ends: 15 [2022-12-14 12:02:54,969 INFO L226 Difference]: Without dead ends: 10 [2022-12-14 12:02:54,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:02:54,973 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:02:54,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:02:54,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-12-14 12:02:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-12-14 12:02:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 12:02:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-12-14 12:02:54,997 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 8 [2022-12-14 12:02:54,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:02:54,997 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-12-14 12:02:54,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-12-14 12:02:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-12-14 12:02:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 12:02:54,998 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:02:54,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:02:54,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:02:54,998 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:02:54,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:02:54,999 INFO L85 PathProgramCache]: Analyzing trace with hash 953941934, now seen corresponding path program 1 times [2022-12-14 12:02:54,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:02:55,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625955825] [2022-12-14 12:02:55,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:55,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:02:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:02:55,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:02:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:02:55,069 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:02:55,069 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:02:55,071 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:02:55,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:02:55,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:02:55,077 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:02:55,081 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:02:55,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:02:55 BoogieIcfgContainer [2022-12-14 12:02:55,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:02:55,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:02:55,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:02:55,101 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:02:55,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:02:54" (3/4) ... [2022-12-14 12:02:55,102 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 12:02:55,129 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:02:55,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:02:55,129 INFO L158 Benchmark]: Toolchain (without parser) took 1782.54ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 93.8MB in the beginning and 97.2MB in the end (delta: -3.4MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-12-14 12:02:55,130 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:02:55,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.31ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 93.8MB in the beginning and 157.0MB in the end (delta: -63.2MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2022-12-14 12:02:55,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.30ms. Allocated memory is still 199.2MB. Free memory was 157.0MB in the beginning and 153.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:02:55,131 INFO L158 Benchmark]: Boogie Preprocessor took 22.96ms. Allocated memory is still 199.2MB. Free memory was 153.8MB in the beginning and 152.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:02:55,131 INFO L158 Benchmark]: RCFGBuilder took 304.25ms. Allocated memory is still 199.2MB. Free memory was 152.8MB in the beginning and 138.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 12:02:55,131 INFO L158 Benchmark]: TraceAbstraction took 521.44ms. Allocated memory is still 199.2MB. Free memory was 137.0MB in the beginning and 99.3MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 12:02:55,132 INFO L158 Benchmark]: Witness Printer took 28.20ms. Allocated memory is still 199.2MB. Free memory was 99.3MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:02:55,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.31ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 93.8MB in the beginning and 157.0MB in the end (delta: -63.2MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.30ms. Allocated memory is still 199.2MB. Free memory was 157.0MB in the beginning and 153.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.96ms. Allocated memory is still 199.2MB. Free memory was 153.8MB in the beginning and 152.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.25ms. Allocated memory is still 199.2MB. Free memory was 152.8MB in the beginning and 138.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 521.44ms. Allocated memory is still 199.2MB. Free memory was 137.0MB in the beginning and 99.3MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 28.20ms. Allocated memory is still 199.2MB. Free memory was 99.3MB in the beginning and 97.2MB 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: 1560]: 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, argv={1073741827:1073741826}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_multiply_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1558] EXPR \read(data) VAL [\read(data)=1073741824, data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data > 0 [L1560] EXPR \read(data) VAL [\read(data)=1073741824, data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [\read(data)=1073741824, data={5:0}, 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: 1560]: 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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! [2022-12-14 12:02:55,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1423a0ff-c511-4288-8358-c3d5afba7fdc/bin/utaipan-gh47qXpMRh/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)