./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee --- 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 08:26:50,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:26:50,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:26:50,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:26:50,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:26:50,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:26:50,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:26:50,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:26:50,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:26:50,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:26:50,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:26:50,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:26:50,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:26:50,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:26:50,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:26:50,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:26:50,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:26:50,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:26:50,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:26:50,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:26:50,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:26:50,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:26:50,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:26:50,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:26:50,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:26:50,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:26:50,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:26:50,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:26:50,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:26:50,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:26:50,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:26:50,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:26:50,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:26:50,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:26:50,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:26:50,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:26:50,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:26:50,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:26:50,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:26:50,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:26:50,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:26:50,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 08:26:50,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:26:50,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:26:50,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:26:50,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:26:50,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:26:50,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:26:50,257 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:26:50,257 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:26:50,257 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:26:50,257 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:26:50,258 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:26:50,258 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:26:50,258 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:26:50,258 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:26:50,258 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:26:50,259 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:26:50,259 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:26:50,259 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:26:50,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:26:50,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:26:50,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:26:50,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:26:50,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:26:50,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:26:50,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:26:50,261 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:26:50,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:26:50,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:26:50,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:26:50,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:26:50,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:26:50,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:26:50,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:26:50,262 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:26:50,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:26:50,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:26:50,263 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:26:50,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:26:50,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:26:50,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:26:50,264 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_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee [2022-12-14 08:26:50,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:26:50,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:26:50,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:26:50,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:26:50,473 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:26:50,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2022-12-14 08:26:53,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:26:53,232 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:26:53,232 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2022-12-14 08:26:53,250 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data/295508ccc/44951f0715444594812a79a91e595c9a/FLAGac9f78a3d [2022-12-14 08:26:53,580 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data/295508ccc/44951f0715444594812a79a91e595c9a [2022-12-14 08:26:53,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:26:53,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:26:53,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:26:53,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:26:53,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:26:53,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:26:53" (1/1) ... [2022-12-14 08:26:53,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8a3fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:53, skipping insertion in model container [2022-12-14 08:26:53,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:26:53" (1/1) ... [2022-12-14 08:26:53,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:26:53,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:26:53,911 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:26:54,260 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:26:54,265 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:26:54,266 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:26:54,269 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:26:54,269 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:26:54,294 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:26:54,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:26:54,305 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:26:54,321 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:26:54,369 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:26:54,371 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:26:54,372 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:26:54,374 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:26:54,375 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:26:54,381 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:26:54,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:26:54,514 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:26:54,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54 WrapperNode [2022-12-14 08:26:54,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:26:54,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:26:54,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:26:54,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:26:54,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,578 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 08:26:54,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:26:54,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:26:54,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:26:54,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:26:54,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:26:54,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:26:54,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:26:54,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:26:54,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (1/1) ... [2022-12-14 08:26:54,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:26:54,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:26:54,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:26:54,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:26:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:26:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:26:54,793 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:26:54,795 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:26:54,927 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:26:55,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:26:55,009 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:26:55,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:26:55 BoogieIcfgContainer [2022-12-14 08:26:55,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:26:55,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:26:55,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:26:55,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:26:55,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:26:53" (1/3) ... [2022-12-14 08:26:55,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b977b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:26:55, skipping insertion in model container [2022-12-14 08:26:55,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:26:54" (2/3) ... [2022-12-14 08:26:55,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b977b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:26:55, skipping insertion in model container [2022-12-14 08:26:55,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:26:55" (3/3) ... [2022-12-14 08:26:55,021 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2022-12-14 08:26:55,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:26:55,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:26:55,085 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:26:55,092 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;@a7d75c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:26:55,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:26:55,096 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 08:26:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:26:55,101 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:26:55,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:26:55,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:26:55,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:26:55,106 INFO L85 PathProgramCache]: Analyzing trace with hash 341056908, now seen corresponding path program 1 times [2022-12-14 08:26:55,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:26:55,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909225266] [2022-12-14 08:26:55,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:26:55,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:26:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:26:55,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:26:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:26:55,304 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:26:55,306 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:26:55,307 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:26:55,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:26:55,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:26:55,313 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 08:26:55,317 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:26:55,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:26:55 BoogieIcfgContainer [2022-12-14 08:26:55,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:26:55,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:26:55,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:26:55,338 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:26:55,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:26:55" (3/4) ... [2022-12-14 08:26:55,342 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:26:55,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:26:55,343 INFO L158 Benchmark]: Toolchain (without parser) took 1760.43ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 125.6MB in the beginning and 115.2MB in the end (delta: 10.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2022-12-14 08:26:55,344 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:26:55,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.60ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 125.6MB in the beginning and 163.5MB in the end (delta: -37.9MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-12-14 08:26:55,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.07ms. Allocated memory is still 199.2MB. Free memory was 163.5MB in the beginning and 160.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:26:55,345 INFO L158 Benchmark]: Boogie Preprocessor took 29.66ms. Allocated memory is still 199.2MB. Free memory was 160.4MB in the beginning and 159.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:26:55,346 INFO L158 Benchmark]: RCFGBuilder took 402.15ms. Allocated memory is still 199.2MB. Free memory was 159.3MB in the beginning and 138.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 08:26:55,346 INFO L158 Benchmark]: TraceAbstraction took 322.70ms. Allocated memory is still 199.2MB. Free memory was 137.3MB in the beginning and 115.2MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 08:26:55,347 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 199.2MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:26:55,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.60ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 125.6MB in the beginning and 163.5MB in the end (delta: -37.9MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.07ms. Allocated memory is still 199.2MB. Free memory was 163.5MB in the beginning and 160.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.66ms. Allocated memory is still 199.2MB. Free memory was 160.4MB in the beginning and 159.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.15ms. Allocated memory is still 199.2MB. Free memory was 159.3MB in the beginning and 138.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 322.70ms. Allocated memory is still 199.2MB. Free memory was 137.3MB in the beginning and 115.2MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 199.2MB. Free memory is still 115.2MB. There was no memory consumed. 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. Possible 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] 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}, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483652, STATIC_CONST_FIVE=5] [L1559] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483652, STATIC_CONST_FIVE=5] [L1561] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483652, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1561]: 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces [2022-12-14 08:26:55,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee --- 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 08:26:56,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:26:57,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:26:57,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:26:57,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:26:57,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:26:57,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:26:57,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:26:57,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:26:57,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:26:57,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:26:57,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:26:57,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:26:57,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:26:57,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:26:57,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:26:57,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:26:57,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:26:57,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:26:57,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:26:57,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:26:57,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:26:57,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:26:57,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:26:57,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:26:57,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:26:57,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:26:57,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:26:57,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:26:57,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:26:57,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:26:57,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:26:57,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:26:57,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:26:57,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:26:57,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:26:57,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:26:57,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:26:57,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:26:57,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:26:57,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:26:57,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 08:26:57,064 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:26:57,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:26:57,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:26:57,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:26:57,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:26:57,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:26:57,065 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:26:57,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:26:57,065 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:26:57,065 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:26:57,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:26:57,066 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:26:57,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:26:57,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:26:57,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:26:57,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:26:57,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:26:57,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:26:57,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:26:57,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:26:57,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:26:57,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:26:57,069 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1e5f2451-33b1-4c67-a1da-f0537e4f327a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee [2022-12-14 08:26:57,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:26:57,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:26:57,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:26:57,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:26:57,319 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:26:57,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2022-12-14 08:26:59,843 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:27:00,122 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:27:00,122 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2022-12-14 08:27:00,143 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data/2a8e85160/960534733b0943549f3ca40293e619d5/FLAGf502d0e4c [2022-12-14 08:27:00,157 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/data/2a8e85160/960534733b0943549f3ca40293e619d5 [2022-12-14 08:27:00,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:27:00,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:27:00,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:27:00,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:27:00,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:27:00,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:00,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28488677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00, skipping insertion in model container [2022-12-14 08:27:00,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:00,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:27:00,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:27:00,471 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:27:00,770 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:27:00,775 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:27:00,776 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:27:00,778 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:27:00,778 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:27:00,795 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:27:00,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:27:00,806 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:27:00,819 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:27:00,855 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:27:00,857 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:27:00,858 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:27:00,859 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:27:00,860 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:27:00,863 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:27:00,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:27:00,993 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:27:00,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00 WrapperNode [2022-12-14 08:27:00,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:27:00,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:27:00,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:27:00,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:27:00,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,031 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 08:27:01,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:27:01,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:27:01,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:27:01,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:27:01,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,048 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:27:01,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:27:01,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:27:01,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:27:01,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (1/1) ... [2022-12-14 08:27:01,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:27:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:27:01,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:27:01,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:27:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:27:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:27:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:27:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:27:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:27:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:27:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:27:01,247 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:27:01,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:27:01,375 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:27:01,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:27:01,382 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:27:01,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:01 BoogieIcfgContainer [2022-12-14 08:27:01,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:27:01,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:27:01,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:27:01,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:27:01,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:27:00" (1/3) ... [2022-12-14 08:27:01,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5371530d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:27:01, skipping insertion in model container [2022-12-14 08:27:01,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:00" (2/3) ... [2022-12-14 08:27:01,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5371530d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:27:01, skipping insertion in model container [2022-12-14 08:27:01,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:01" (3/3) ... [2022-12-14 08:27:01,393 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2022-12-14 08:27:01,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:27:01,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:27:01,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:27:01,450 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;@67363da6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:27:01,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:27:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 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 08:27:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:27:01,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:01,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:27:01,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:27:01,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:01,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1258159597, now seen corresponding path program 1 times [2022-12-14 08:27:01,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:27:01,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015629959] [2022-12-14 08:27:01,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:01,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:27:01,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:27:01,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:27:01,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 08:27:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:01,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:27:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:27:01,661 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 08:27:01,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:27:01,662 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:27:01,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015629959] [2022-12-14 08:27:01,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015629959] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:01,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:01,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:27:01,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142096015] [2022-12-14 08:27:01,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:01,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:01,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:27:01,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:01,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:01,696 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 08:27:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:01,717 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-12-14 08:27:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:01,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2022-12-14 08:27:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:01,724 INFO L225 Difference]: With dead ends: 41 [2022-12-14 08:27:01,724 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 08:27:01,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:01,729 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:01,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:27:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 08:27:01,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 08:27:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 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 08:27:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-14 08:27:01,755 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2022-12-14 08:27:01,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:01,755 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-14 08:27:01,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 08:27:01,756 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 08:27:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:27:01,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:01,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:27:01,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:27:01,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:27:01,958 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:27:01,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:01,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1822236216, now seen corresponding path program 1 times [2022-12-14 08:27:01,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:27:01,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892615519] [2022-12-14 08:27:01,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:01,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:27:01,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:27:01,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:27:01,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 08:27:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:27:02,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:27:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:27:02,072 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 08:27:02,072 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:27:02,074 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:27:02,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:27:02,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 08:27:02,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:27:02,285 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:27:02,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:27:02,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:27:02 BoogieIcfgContainer [2022-12-14 08:27:02,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:27:02,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:27:02,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:27:02,362 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:27:02,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:01" (3/4) ... [2022-12-14 08:27:02,365 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 08:27:02,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:27:02,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:27:02,402 INFO L158 Benchmark]: Toolchain (without parser) took 2241.04ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 39.5MB in the end (delta: -2.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-12-14 08:27:02,402 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 25.2MB in the beginning and 25.1MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:27:02,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.66ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 32.6MB in the end (delta: 4.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-12-14 08:27:02,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.38ms. Allocated memory is still 58.7MB. Free memory was 32.6MB in the beginning and 29.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:27:02,403 INFO L158 Benchmark]: Boogie Preprocessor took 20.11ms. Allocated memory is still 58.7MB. Free memory was 29.3MB in the beginning and 27.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:27:02,403 INFO L158 Benchmark]: RCFGBuilder took 331.91ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.5MB in the beginning and 37.8MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 08:27:02,403 INFO L158 Benchmark]: TraceAbstraction took 973.63ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 41.9MB in the end (delta: -5.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-12-14 08:27:02,404 INFO L158 Benchmark]: Witness Printer took 39.67ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 39.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:27:02,405 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 46.1MB. Free memory was 25.2MB in the beginning and 25.1MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.66ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 32.6MB in the end (delta: 4.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.38ms. Allocated memory is still 58.7MB. Free memory was 32.6MB in the beginning and 29.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.11ms. Allocated memory is still 58.7MB. Free memory was 29.3MB in the beginning and 27.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.91ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.5MB in the beginning and 37.8MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 973.63ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 41.9MB in the end (delta: -5.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 39.67ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 39.5MB in the end (delta: 2.4MB). 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: 1561]: 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); [L1548] static const int STATIC_CONST_FIVE = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1569] 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}, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=65536, rand()=0, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648, STATIC_CONST_FIVE=5] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1559] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1561] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1561]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 25 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 2 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 08:27:02,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5f2451-33b1-4c67-a1da-f0537e4f327a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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)