./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_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_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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_56fb616b-b383-4d61-9241-3a00fd277b41/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 e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 --- 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 15:11:11,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:11:11,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:11:11,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:11:11,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:11:11,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:11:11,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:11:11,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:11:11,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:11:11,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:11:11,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:11:11,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:11:11,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:11:11,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:11:11,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:11:11,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:11:11,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:11:11,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:11:11,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:11:11,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:11:11,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:11:11,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:11:11,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:11:11,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:11:11,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:11:11,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:11:11,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:11:11,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:11:11,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:11:11,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:11:11,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:11:11,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:11:11,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:11:11,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:11:11,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:11:11,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:11:11,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:11:11,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:11:11,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:11:11,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:11:11,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:11:11,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 15:11:11,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:11:11,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:11:11,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:11:11,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:11:11,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:11:11,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:11:11,346 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:11:11,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:11:11,346 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:11:11,346 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:11:11,347 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:11:11,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:11:11,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:11:11,347 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:11:11,347 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:11:11,348 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:11:11,348 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:11:11,348 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:11:11,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:11:11,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:11:11,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:11:11,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:11:11,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:11:11,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:11:11,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:11:11,350 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:11:11,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:11:11,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:11:11,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:11:11,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:11:11,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:11:11,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:11:11,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:11:11,351 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:11:11,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:11:11,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:11:11,352 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:11:11,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:11:11,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:11:11,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:11:11,353 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_56fb616b-b383-4d61-9241-3a00fd277b41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 [2022-12-14 15:11:11,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:11:11,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:11:11,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:11:11,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:11:11,577 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:11:11,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2022-12-14 15:11:14,212 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:11:14,455 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:11:14,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2022-12-14 15:11:14,468 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data/686ef58d2/f6f0c6a80c8d4d999422278f99d66dfe/FLAGb2bdca8f5 [2022-12-14 15:11:14,478 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data/686ef58d2/f6f0c6a80c8d4d999422278f99d66dfe [2022-12-14 15:11:14,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:11:14,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:11:14,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:11:14,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:11:14,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:11:14,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:14" (1/1) ... [2022-12-14 15:11:14,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dffe87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:14, skipping insertion in model container [2022-12-14 15:11:14,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:14" (1/1) ... [2022-12-14 15:11:14,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:11:14,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:11:14,771 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:11:15,171 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:11:15,175 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:15,176 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:15,178 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:15,178 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:15,198 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:11:15,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:11:15,206 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:11:15,218 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:11:15,257 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:11:15,259 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:15,260 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:15,262 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:15,263 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:15,268 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:11:15,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:11:15,367 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:11:15,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15 WrapperNode [2022-12-14 15:11:15,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:11:15,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:11:15,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:11:15,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:11:15,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,420 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-14 15:11:15,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:11:15,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:11:15,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:11:15,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:11:15,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:11:15,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:11:15,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:11:15,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:11:15,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (1/1) ... [2022-12-14 15:11:15,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:11:15,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:11:15,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:11:15,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:11:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 15:11:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 15:11:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-14 15:11:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-14 15:11:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:11:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:11:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:11:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 15:11:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:11:15,637 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:11:15,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:11:15,772 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:11:15,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:11:15,861 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:11:15,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:15 BoogieIcfgContainer [2022-12-14 15:11:15,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:11:15,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:11:15,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:11:15,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:11:15,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:11:14" (1/3) ... [2022-12-14 15:11:15,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44942ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:15, skipping insertion in model container [2022-12-14 15:11:15,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:15" (2/3) ... [2022-12-14 15:11:15,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44942ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:15, skipping insertion in model container [2022-12-14 15:11:15,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:15" (3/3) ... [2022-12-14 15:11:15,872 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2022-12-14 15:11:15,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:11:15,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:11:15,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:11:15,940 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;@74930e11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:11:15,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:11:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 15:11:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 15:11:15,953 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:11:15,954 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:11:15,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:11:15,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:11:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash -986035518, now seen corresponding path program 1 times [2022-12-14 15:11:15,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:11:15,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461052186] [2022-12-14 15:11:15,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:11:15,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:11:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:11:16,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:11:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:11:16,209 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:11:16,211 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:11:16,212 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 15:11:16,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 15:11:16,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:11:16,220 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 15:11:16,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:11:16,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:11:16 BoogieIcfgContainer [2022-12-14 15:11:16,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:11:16,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:11:16,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:11:16,250 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:11:16,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:15" (3/4) ... [2022-12-14 15:11:16,254 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:11:16,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:11:16,255 INFO L158 Benchmark]: Toolchain (without parser) took 1773.29ms. Allocated memory is still 180.4MB. Free memory was 143.9MB in the beginning and 124.4MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-12-14 15:11:16,255 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory is still 151.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:11:16,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 885.76ms. Allocated memory is still 180.4MB. Free memory was 143.9MB in the beginning and 81.4MB in the end (delta: 62.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-12-14 15:11:16,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.92ms. Allocated memory is still 180.4MB. Free memory was 81.4MB in the beginning and 78.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:11:16,256 INFO L158 Benchmark]: Boogie Preprocessor took 25.36ms. Allocated memory is still 180.4MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:11:16,257 INFO L158 Benchmark]: RCFGBuilder took 416.91ms. Allocated memory is still 180.4MB. Free memory was 76.5MB in the beginning and 146.5MB in the end (delta: -69.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-12-14 15:11:16,257 INFO L158 Benchmark]: TraceAbstraction took 383.32ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 124.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 15:11:16,258 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 180.4MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:11:16,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory is still 151.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 885.76ms. Allocated memory is still 180.4MB. Free memory was 143.9MB in the beginning and 81.4MB in the end (delta: 62.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.92ms. Allocated memory is still 180.4MB. Free memory was 81.4MB in the beginning and 78.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.36ms. Allocated memory is still 180.4MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.91ms. Allocated memory is still 180.4MB. Free memory was 76.5MB in the beginning and 146.5MB in the end (delta: -69.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 383.32ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 124.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 180.4MB. Free memory is still 124.4MB. 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=3221225474, argc=3221225474, argv={3221225476:3221225475}, argv={3221225476:3221225475}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=3221225473] [L1556] COND TRUE globalReturnsTrue() [L1558] 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=3221225473] [L1560] 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=3221225473] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=21occurred 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, 16 NumberOfCodeBlocks, 16 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 15:11:16,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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_56fb616b-b383-4d61-9241-3a00fd277b41/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 e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 --- 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 15:11:17,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:11:17,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:11:17,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:11:17,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:11:17,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:11:17,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:11:17,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:11:17,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:11:17,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:11:17,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:11:17,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:11:17,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:11:17,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:11:17,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:11:17,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:11:17,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:11:17,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:11:17,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:11:17,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:11:17,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:11:17,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:11:17,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:11:17,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:11:17,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:11:17,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:11:17,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:11:17,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:11:17,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:11:17,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:11:17,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:11:17,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:11:17,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:11:17,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:11:17,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:11:17,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:11:17,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:11:17,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:11:17,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:11:17,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:11:17,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:11:17,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 15:11:17,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:11:17,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:11:17,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:11:17,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:11:17,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:11:17,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:11:17,980 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:11:17,980 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:11:17,980 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:11:17,980 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:11:17,980 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:11:17,981 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:11:17,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:11:17,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:11:17,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:11:17,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:11:17,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:11:17,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:11:17,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:11:17,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:11:17,983 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:11:17,983 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:11:17,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:11:17,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:11:17,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:11:17,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:11:17,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:11:17,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:11:17,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:11:17,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:11:17,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:11:17,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:11:17,985 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:11:17,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:11:17,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:11:17,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:11:17,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:11:17,986 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_56fb616b-b383-4d61-9241-3a00fd277b41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 [2022-12-14 15:11:18,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:11:18,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:11:18,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:11:18,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:11:18,244 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:11:18,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2022-12-14 15:11:20,895 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:11:21,160 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:11:21,160 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2022-12-14 15:11:21,185 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data/b0916ea99/31fc71acba0a444190d5b3cce56be8a0/FLAG14b369abd [2022-12-14 15:11:21,199 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/data/b0916ea99/31fc71acba0a444190d5b3cce56be8a0 [2022-12-14 15:11:21,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:11:21,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:11:21,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:11:21,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:11:21,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:11:21,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:21" (1/1) ... [2022-12-14 15:11:21,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb3b1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:21, skipping insertion in model container [2022-12-14 15:11:21,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:21" (1/1) ... [2022-12-14 15:11:21,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:11:21,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:11:21,474 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:11:21,801 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:11:21,805 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:21,806 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:21,809 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:21,809 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:21,831 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:11:21,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:11:21,849 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:11:21,868 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 15:11:21,915 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 15:11:21,916 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:21,917 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 15:11:21,919 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:21,920 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 15:11:21,925 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 15:11:21,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:11:22,055 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:11:22,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22 WrapperNode [2022-12-14 15:11:22,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:11:22,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:11:22,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:11:22,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:11:22,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,106 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2022-12-14 15:11:22,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:11:22,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:11:22,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:11:22,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:11:22,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:11:22,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:11:22,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:11:22,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:11:22,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (1/1) ... [2022-12-14 15:11:22,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:11:22,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:11:22,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:11:22,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:11:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 15:11:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 15:11:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-14 15:11:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-14 15:11:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 15:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:11:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 15:11:22,318 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:11:22,320 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:11:22,427 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:11:22,431 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:11:22,432 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:11:22,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:22 BoogieIcfgContainer [2022-12-14 15:11:22,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:11:22,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:11:22,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:11:22,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:11:22,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:11:21" (1/3) ... [2022-12-14 15:11:22,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4b4f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:22, skipping insertion in model container [2022-12-14 15:11:22,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:22" (2/3) ... [2022-12-14 15:11:22,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4b4f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:22, skipping insertion in model container [2022-12-14 15:11:22,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:22" (3/3) ... [2022-12-14 15:11:22,439 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2022-12-14 15:11:22,452 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:11:22,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:11:22,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:11:22,489 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;@2c739473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:11:22,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:11:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.35) internal successors, (27), 22 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 15:11:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 15:11:22,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:11:22,503 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:11:22,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:11:22,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:11:22,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1740644628, now seen corresponding path program 1 times [2022-12-14 15:11:22,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:11:22,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970497195] [2022-12-14 15:11:22,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:11:22,517 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 15:11:22,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:11:22,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:22,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:11:22,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:11:22,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:11:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:11:22,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:11:22,657 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:11:22,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970497195] [2022-12-14 15:11:22,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970497195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:11:22,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:11:22,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:11:22,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055037653] [2022-12-14 15:11:22,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:11:22,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:11:22,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:11:22,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:11:22,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:11:22,687 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.35) internal successors, (27), 22 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 15:11:22,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:11:22,713 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2022-12-14 15:11:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:11:22,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-12-14 15:11:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:11:22,722 INFO L225 Difference]: With dead ends: 50 [2022-12-14 15:11:22,722 INFO L226 Difference]: Without dead ends: 22 [2022-12-14 15:11:22,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:11:22,728 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:11:22,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:11:22,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-14 15:11:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-14 15:11:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 15:11:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-12-14 15:11:22,762 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 20 [2022-12-14 15:11:22,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:11:22,763 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-12-14 15:11:22,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 15:11:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-14 15:11:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 15:11:22,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:11:22,765 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:11:22,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:22,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:22,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 15:11:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:11:22,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1810040143, now seen corresponding path program 1 times [2022-12-14 15:11:22,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:11:22,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233806611] [2022-12-14 15:11:22,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:11:22,972 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 15:11:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:11:22,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:22,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:11:23,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:11:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:11:23,277 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 15:11:23,277 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:11:23,279 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 15:11:23,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 15:11:23,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:23,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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 15:11:23,491 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 15:11:23,503 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:11:23,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:11:23 BoogieIcfgContainer [2022-12-14 15:11:23,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:11:23,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:11:23,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:11:23,581 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:11:23,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:22" (3/4) ... [2022-12-14 15:11:23,586 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 15:11:23,633 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:11:23,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:11:23,633 INFO L158 Benchmark]: Toolchain (without parser) took 2431.68ms. Allocated memory is still 81.8MB. Free memory was 61.6MB in the beginning and 44.7MB in the end (delta: 16.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-12-14 15:11:23,633 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:11:23,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.55ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 34.8MB in the end (delta: 26.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-12-14 15:11:23,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.83ms. Allocated memory is still 81.8MB. Free memory was 34.8MB in the beginning and 54.2MB in the end (delta: -19.5MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-12-14 15:11:23,634 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:11:23,635 INFO L158 Benchmark]: RCFGBuilder took 295.65ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 38.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 15:11:23,635 INFO L158 Benchmark]: TraceAbstraction took 1144.84ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 47.2MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:11:23,635 INFO L158 Benchmark]: Witness Printer took 52.07ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 44.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:11:23,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.55ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 34.8MB in the end (delta: 26.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.83ms. Allocated memory is still 81.8MB. Free memory was 34.8MB in the beginning and 54.2MB in the end (delta: -19.5MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.65ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 38.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1144.84ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 47.2MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.07ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 44.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] 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()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1558] 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] [L1560] 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] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 15:11:23,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56fb616b-b383-4d61-9241-3a00fd277b41/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)