./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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_06e7b4d6-6883-4327-88ec-8973873b9093/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 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf --- 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 11:00:55,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:00:55,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:00:55,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:00:55,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:00:55,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:00:55,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:00:55,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:00:55,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:00:55,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:00:55,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:00:55,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:00:55,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:00:55,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:00:55,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:00:55,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:00:55,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:00:55,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:00:55,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:00:55,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:00:55,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:00:55,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:00:55,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:00:55,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:00:55,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:00:55,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:00:55,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:00:55,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:00:55,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:00:55,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:00:55,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:00:55,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:00:55,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:00:55,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:00:55,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:00:55,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:00:55,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:00:55,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:00:55,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:00:55,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:00:55,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:00:55,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 11:00:55,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:00:55,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:00:55,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:00:55,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:00:55,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:00:55,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:00:55,375 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:00:55,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:00:55,375 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:00:55,376 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:00:55,376 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:00:55,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:00:55,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:00:55,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:00:55,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:00:55,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:00:55,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:00:55,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:00:55,377 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:00:55,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:00:55,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:00:55,378 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:00:55,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:00:55,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:00:55,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:00:55,379 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_06e7b4d6-6883-4327-88ec-8973873b9093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf [2022-12-14 11:00:55,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:00:55,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:00:55,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:00:55,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:00:55,564 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:00:55,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2022-12-14 11:00:58,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:00:58,408 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:00:58,408 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2022-12-14 11:00:58,420 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data/96d66f223/338f383bda834095a6d5b03a14b88e17/FLAG597112262 [2022-12-14 11:00:58,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data/96d66f223/338f383bda834095a6d5b03a14b88e17 [2022-12-14 11:00:58,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:00:58,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:00:58,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:00:58,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:00:58,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:00:58,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:00:58" (1/1) ... [2022-12-14 11:00:58,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5586467f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:58, skipping insertion in model container [2022-12-14 11:00:58,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:00:58" (1/1) ... [2022-12-14 11:00:58,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:00:58,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:00:58,686 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:00:58,972 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:00:58,978 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:00:58,980 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:00:58,982 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:00:58,983 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:00:59,012 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:00:59,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:00:59,023 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:00:59,041 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:00:59,069 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:00:59,070 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:00:59,071 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:00:59,072 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:00:59,073 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:00:59,077 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:00:59,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:00:59,183 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:00:59,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59 WrapperNode [2022-12-14 11:00:59,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:00:59,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:00:59,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:00:59,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:00:59,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,233 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 11:00:59,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:00:59,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:00:59,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:00:59,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:00:59,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,249 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:00:59,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:00:59,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:00:59,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:00:59,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (1/1) ... [2022-12-14 11:00:59,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:00:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:00:59,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:00:59,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:00:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 11:00:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 11:00:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:00:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:00:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:00:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 11:00:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:00:59,410 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:00:59,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:00:59,528 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:00:59,612 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:00:59,612 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:00:59,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:00:59 BoogieIcfgContainer [2022-12-14 11:00:59,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:00:59,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:00:59,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:00:59,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:00:59,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:00:58" (1/3) ... [2022-12-14 11:00:59,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bc9c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:00:59, skipping insertion in model container [2022-12-14 11:00:59,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:59" (2/3) ... [2022-12-14 11:00:59,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bc9c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:00:59, skipping insertion in model container [2022-12-14 11:00:59,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:00:59" (3/3) ... [2022-12-14 11:00:59,622 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2022-12-14 11:00:59,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:00:59,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 11:00:59,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:00:59,681 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;@77b410b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:00:59,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 11:00:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:00:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:00:59,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:00:59,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:00:59,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:00:59,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:00:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash 341056908, now seen corresponding path program 1 times [2022-12-14 11:00:59,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:00:59,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161696189] [2022-12-14 11:00:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:59,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:00:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:00:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:00:59,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:00:59,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161696189] [2022-12-14 11:00:59,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161696189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:00:59,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:00:59,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:00:59,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186002312] [2022-12-14 11:00:59,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:00:59,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:00:59,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:00:59,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:00:59,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:00:59,934 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:00:59,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:00:59,969 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-12-14 11:00:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:00:59,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2022-12-14 11:00:59,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:00:59,976 INFO L225 Difference]: With dead ends: 19 [2022-12-14 11:00:59,976 INFO L226 Difference]: Without dead ends: 10 [2022-12-14 11:00:59,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:00:59,980 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:00:59,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:00:59,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-12-14 11:01:00,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-12-14 11:01:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-12-14 11:01:00,005 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 8 [2022-12-14 11:01:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:01:00,006 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-12-14 11:01:00,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-12-14 11:01:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:01:00,006 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:01:00,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:01:00,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:01:00,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:01:00,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:01:00,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1982829621, now seen corresponding path program 1 times [2022-12-14 11:01:00,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:01:00,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617049129] [2022-12-14 11:01:00,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:01:00,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:01:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:01:00,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:01:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:01:00,111 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 11:01:00,112 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:01:00,113 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 11:01:00,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 11:01:00,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:01:00,117 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 11:01:00,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:01:00,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:01:00 BoogieIcfgContainer [2022-12-14 11:01:00,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:01:00,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:01:00,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:01:00,137 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:01:00,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:00:59" (3/4) ... [2022-12-14 11:01:00,140 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 11:01:00,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:01:00,141 INFO L158 Benchmark]: Toolchain (without parser) took 1706.90ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.1MB in the beginning and 135.7MB in the end (delta: -28.6MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2022-12-14 11:01:00,141 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:01:00,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.59ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 106.7MB in the beginning and 135.4MB in the end (delta: -28.8MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2022-12-14 11:01:00,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.21ms. Allocated memory is still 176.2MB. Free memory was 135.4MB in the beginning and 132.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:01:00,142 INFO L158 Benchmark]: Boogie Preprocessor took 17.71ms. Allocated memory is still 176.2MB. Free memory was 132.4MB in the beginning and 131.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:01:00,142 INFO L158 Benchmark]: RCFGBuilder took 362.21ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 110.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 11:01:00,143 INFO L158 Benchmark]: TraceAbstraction took 519.57ms. Allocated memory is still 176.2MB. Free memory was 109.3MB in the beginning and 135.7MB in the end (delta: -26.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-12-14 11:01:00,143 INFO L158 Benchmark]: Witness Printer took 3.21ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:01:00,145 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 146.8MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.59ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 106.7MB in the beginning and 135.4MB in the end (delta: -28.8MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.21ms. Allocated memory is still 176.2MB. Free memory was 135.4MB in the beginning and 132.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.71ms. Allocated memory is still 176.2MB. Free memory was 132.4MB in the beginning and 131.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.21ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 110.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 519.57ms. Allocated memory is still 176.2MB. Free memory was 109.3MB in the beginning and 135.7MB in the end (delta: -26.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 3.21ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=1073741826, argc=1073741826, argv={1073741828:1073741827}, argv={1073741828:1073741827}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1570] CALL CWE190_Integer_Overflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [data=1073741824, 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=1073741825, STATIC_CONST_FIVE=5] [L1559] COND TRUE data > 0 VAL [data=1073741824, 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=1073741825, STATIC_CONST_FIVE=5] [L1561] data * 2 VAL [data=1073741824, 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=1073741825, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 11:01:00,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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_06e7b4d6-6883-4327-88ec-8973873b9093/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 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf --- 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 11:01:01,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:01:01,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:01:01,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:01:01,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:01:01,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:01:01,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:01:01,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:01:01,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:01:01,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:01:01,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:01:01,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:01:01,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:01:01,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:01:01,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:01:01,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:01:01,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:01:01,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:01:01,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:01:01,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:01:01,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:01:01,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:01:01,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:01:01,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:01:01,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:01:01,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:01:01,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:01:01,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:01:01,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:01:01,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:01:01,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:01:01,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:01:01,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:01:01,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:01:01,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:01:01,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:01:01,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:01:01,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:01:01,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:01:01,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:01:01,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:01:01,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 11:01:01,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:01:01,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:01:01,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:01:01,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:01:01,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:01:01,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:01:01,887 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:01:01,888 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:01:01,888 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:01:01,888 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:01:01,888 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:01:01,888 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:01:01,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:01:01,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:01:01,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:01:01,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:01:01,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:01:01,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:01:01,889 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:01:01,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 11:01:01,890 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:01:01,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 11:01:01,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:01:01,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:01:01,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:01:01,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:01:01,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 11:01:01,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:01:01,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:01:01,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:01:01,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:01:01,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:01:01,891 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 11:01:01,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 11:01:01,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:01:01,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:01:01,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 11:01:01,892 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_06e7b4d6-6883-4327-88ec-8973873b9093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf [2022-12-14 11:01:02,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:01:02,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:01:02,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:01:02,122 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:01:02,123 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:01:02,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2022-12-14 11:01:04,705 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:01:04,934 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:01:04,935 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2022-12-14 11:01:04,948 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data/0a3d68f29/7196bdd942d644189e88aea199fc9040/FLAG07d17c397 [2022-12-14 11:01:04,959 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/data/0a3d68f29/7196bdd942d644189e88aea199fc9040 [2022-12-14 11:01:04,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:01:04,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:01:04,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:01:04,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:01:04,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:01:04,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:01:04" (1/1) ... [2022-12-14 11:01:04,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce5e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:04, skipping insertion in model container [2022-12-14 11:01:04,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:01:04" (1/1) ... [2022-12-14 11:01:04,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:01:05,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:01:05,231 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:01:05,538 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:01:05,542 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:01:05,543 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:01:05,544 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:01:05,545 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:01:05,562 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:01:05,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:01:05,573 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:01:05,593 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:01:05,625 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:01:05,626 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:01:05,627 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:01:05,628 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:01:05,629 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:01:05,632 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:01:05,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:01:05,727 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:01:05,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05 WrapperNode [2022-12-14 11:01:05,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:01:05,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:01:05,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:01:05,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:01:05,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,776 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 11:01:05,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:01:05,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:01:05,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:01:05,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:01:05,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:01:05,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:01:05,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:01:05,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:01:05,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (1/1) ... [2022-12-14 11:01:05,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:01:05,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:01:05,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:01:05,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:01:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 11:01:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 11:01:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 11:01:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:01:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:01:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:01:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 11:01:05,971 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:01:05,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:01:06,086 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:01:06,092 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:01:06,092 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:01:06,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:01:06 BoogieIcfgContainer [2022-12-14 11:01:06,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:01:06,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:01:06,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:01:06,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:01:06,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:01:04" (1/3) ... [2022-12-14 11:01:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2fe0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:01:06, skipping insertion in model container [2022-12-14 11:01:06,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:01:05" (2/3) ... [2022-12-14 11:01:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2fe0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:01:06, skipping insertion in model container [2022-12-14 11:01:06,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:01:06" (3/3) ... [2022-12-14 11:01:06,102 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2022-12-14 11:01:06,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:01:06,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 11:01:06,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:01:06,163 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;@4e0b5645, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:01:06,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 11:01:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 11:01:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 11:01:06,173 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:01:06,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:01:06,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:01:06,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:01:06,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1258159597, now seen corresponding path program 1 times [2022-12-14 11:01:06,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:01:06,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200715597] [2022-12-14 11:01:06,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:01:06,190 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 11:01:06,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:01:06,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:01:06,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:01:06,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:01:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:01:06,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:01:06,337 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 11:01:06,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200715597] [2022-12-14 11:01:06,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200715597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:01:06,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:01:06,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:01:06,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312271407] [2022-12-14 11:01:06,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:01:06,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:01:06,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 11:01:06,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:01:06,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:01:06,389 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:06,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:01:06,423 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-12-14 11:01:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:01:06,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 11:01:06,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:01:06,432 INFO L225 Difference]: With dead ends: 41 [2022-12-14 11:01:06,433 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 11:01:06,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:01:06,439 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:01:06,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:01:06,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 11:01:06,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 11:01:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-14 11:01:06,474 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2022-12-14 11:01:06,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:01:06,474 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-14 11:01:06,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 11:01:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 11:01:06,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:01:06,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:01:06,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:01:06,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:01:06,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1822236216, now seen corresponding path program 1 times [2022-12-14 11:01:06,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:01:06,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426031955] [2022-12-14 11:01:06,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:01:06,678 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 11:01:06,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:01:06,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:01:06,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:01:06,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:01:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:01:06,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:01:06,746 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 11:01:06,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426031955] [2022-12-14 11:01:06,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426031955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:01:06,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:01:06,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:01:06,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417132743] [2022-12-14 11:01:06,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:01:06,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:01:06,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 11:01:06,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:01:06,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:01:06,750 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:06,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:01:06,760 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-12-14 11:01:06,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:01:06,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 11:01:06,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:01:06,762 INFO L225 Difference]: With dead ends: 17 [2022-12-14 11:01:06,762 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 11:01:06,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:01:06,763 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:01:06,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:01:06,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 11:01:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 11:01:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-14 11:01:06,767 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2022-12-14 11:01:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:01:06,767 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-14 11:01:06,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 11:01:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-14 11:01:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 11:01:06,768 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:01:06,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:01:06,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 11:01:06,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:01:06,970 INFO L85 PathProgramCache]: Analyzing trace with hash 654747913, now seen corresponding path program 1 times [2022-12-14 11:01:06,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:01:06,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593320550] [2022-12-14 11:01:06,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:01:06,971 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 11:01:06,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:01:06,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:06,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 (4)] Waiting until timeout for monitored process [2022-12-14 11:01:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:01:07,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:01:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:01:07,136 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 11:01:07,136 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:01:07,137 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 11:01:07,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 11:01:07,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 (4)] Ended with exit code 0 [2022-12-14 11:01:07,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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 11:01:07,348 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 11:01:07,360 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:01:07,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:01:07 BoogieIcfgContainer [2022-12-14 11:01:07,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:01:07,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:01:07,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:01:07,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:01:07,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:01:06" (3/4) ... [2022-12-14 11:01:07,399 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 11:01:07,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 11:01:07,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:01:07,425 INFO L158 Benchmark]: Toolchain (without parser) took 2463.78ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 68.2MB in the beginning and 56.1MB in the end (delta: 12.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-12-14 11:01:07,426 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:01:07,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.73ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 48.9MB in the end (delta: 19.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-12-14 11:01:07,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.69ms. Allocated memory is still 90.2MB. Free memory was 48.9MB in the beginning and 45.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:01:07,426 INFO L158 Benchmark]: Boogie Preprocessor took 27.40ms. Allocated memory is still 90.2MB. Free memory was 45.6MB in the beginning and 44.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:01:07,427 INFO L158 Benchmark]: RCFGBuilder took 289.25ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 74.4MB in the end (delta: -30.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-12-14 11:01:07,427 INFO L158 Benchmark]: TraceAbstraction took 1300.49ms. Allocated memory is still 109.1MB. Free memory was 73.8MB in the beginning and 58.5MB in the end (delta: 15.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-12-14 11:01:07,427 INFO L158 Benchmark]: Witness Printer took 27.85ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:01:07,429 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 54.5MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.73ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 48.9MB in the end (delta: 19.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.69ms. Allocated memory is still 90.2MB. Free memory was 48.9MB in the beginning and 45.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.40ms. Allocated memory is still 90.2MB. Free memory was 45.6MB in the beginning and 44.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.25ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 74.4MB in the end (delta: -30.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1300.49ms. Allocated memory is still 109.1MB. Free memory was 73.8MB in the beginning and 58.5MB in the end (delta: 15.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 27.85ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1570] CALL CWE190_Integer_Overflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=0, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824, STATIC_CONST_FIVE=5] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1559] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1561] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 40 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 11:01:07,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06e7b4d6-6883-4327-88ec-8973873b9093/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)