./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_61_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_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dbc302d6bacfc43fef9e17f50afeb36633d0d3ddcc94212983f9873139dfb9cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:12:55,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:12:55,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:12:55,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:12:55,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:12:55,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:12:55,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:12:55,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:12:55,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:12:55,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:12:55,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:12:55,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:12:55,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:12:55,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:12:55,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:12:55,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:12:55,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:12:55,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:12:55,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:12:55,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:12:55,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:12:55,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:12:55,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:12:55,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:12:55,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:12:55,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:12:55,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:12:55,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:12:55,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:12:55,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:12:55,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:12:55,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:12:55,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:12:55,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:12:55,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:12:55,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:12:55,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:12:55,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:12:55,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:12:55,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:12:55,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:12:55,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:12:55,483 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:12:55,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:12:55,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:12:55,484 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:12:55,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:12:55,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:12:55,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:12:55,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:12:55,485 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:12:55,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:12:55,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:12:55,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:12:55,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:12:55,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:12:55,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:12:55,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:12:55,487 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:12:55,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:12:55,487 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:12:55,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:12:55,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:12:55,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:12:55,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:12:55,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:12:55,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:12:55,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:12:55,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:12:55,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:12:55,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:12:55,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:12:55,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:12:55,489 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:12:55,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:12:55,489 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:12:55,489 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbc302d6bacfc43fef9e17f50afeb36633d0d3ddcc94212983f9873139dfb9cd [2022-12-13 18:12:55,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:12:55,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:12:55,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:12:55,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:12:55,706 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:12:55,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_61_bad.i [2022-12-13 18:12:58,336 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:12:58,562 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:12:58,563 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_61_bad.i [2022-12-13 18:12:58,588 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data/8ea2c03f6/43206defc5244c4983807c6355e06361/FLAG54d37c14b [2022-12-13 18:12:58,602 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data/8ea2c03f6/43206defc5244c4983807c6355e06361 [2022-12-13 18:12:58,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:12:58,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:12:58,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:12:58,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:12:58,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:12:58,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:12:58" (1/1) ... [2022-12-13 18:12:58,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@865506b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:58, skipping insertion in model container [2022-12-13 18:12:58,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:12:58" (1/1) ... [2022-12-13 18:12:58,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:12:58,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:12:58,906 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:12:59,204 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:12:59,209 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:12:59,210 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:12:59,212 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:12:59,213 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:12:59,234 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:12:59,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:12:59,246 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:12:59,266 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:12:59,312 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:12:59,314 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:12:59,315 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:12:59,317 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:12:59,318 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:12:59,322 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:12:59,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:12:59,409 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:12:59,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59 WrapperNode [2022-12-13 18:12:59,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:12:59,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:12:59,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:12:59,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:12:59,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,461 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-13 18:12:59,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:12:59,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:12:59,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:12:59,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:12:59,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,481 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:12:59,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:12:59,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:12:59,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:12:59,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (1/1) ... [2022-12-13 18:12:59,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:12:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:12:59,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:12:59,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:12:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:12:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:12:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:12:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:12:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:12:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:12:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:12:59,652 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:12:59,654 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:12:59,789 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:12:59,794 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:12:59,794 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:12:59,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:12:59 BoogieIcfgContainer [2022-12-13 18:12:59,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:12:59,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:12:59,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:12:59,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:12:59,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:12:58" (1/3) ... [2022-12-13 18:12:59,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0d7ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:12:59, skipping insertion in model container [2022-12-13 18:12:59,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:12:59" (2/3) ... [2022-12-13 18:12:59,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0d7ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:12:59, skipping insertion in model container [2022-12-13 18:12:59,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:12:59" (3/3) ... [2022-12-13 18:12:59,804 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_61_bad.i [2022-12-13 18:12:59,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:12:59,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:12:59,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:12:59,863 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5281af84, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:12:59,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:12:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:12:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:12:59,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:59,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:12:59,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:12:59,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:59,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 18:12:59,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:12:59,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049857052] [2022-12-13 18:12:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:59,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:13:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:13:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:13:00,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:13:00,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049857052] [2022-12-13 18:13:00,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049857052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:13:00,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:13:00,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:13:00,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223565134] [2022-12-13 18:13:00,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:13:00,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:13:00,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:13:00,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:13:00,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:13:00,166 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 5.0) internal successors, (10), 3 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) [2022-12-13 18:13:00,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:13:00,187 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 18:13:00,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:13:00,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 [2022-12-13 18:13:00,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:13:00,194 INFO L225 Difference]: With dead ends: 22 [2022-12-13 18:13:00,194 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 18:13:00,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:13:00,199 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 11 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:13:00,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:13:00,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 18:13:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 18:13:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:13:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 18:13:00,222 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 18:13:00,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:13:00,222 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 18:13:00,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-12-13 18:13:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 18:13:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:13:00,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:00,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:13:00,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:13:00,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:13:00,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:00,223 INFO L85 PathProgramCache]: Analyzing trace with hash 401828808, now seen corresponding path program 1 times [2022-12-13 18:13:00,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:13:00,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912647974] [2022-12-13 18:13:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:13:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:13:00,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:13:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:13:00,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:13:00,285 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:13:00,286 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:13:00,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:13:00,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:13:00,290 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:13:00,293 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:13:00,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:13:00 BoogieIcfgContainer [2022-12-13 18:13:00,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:13:00,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:13:00,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:13:00,311 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:13:00,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:12:59" (3/4) ... [2022-12-13 18:13:00,314 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:13:00,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:13:00,315 INFO L158 Benchmark]: Toolchain (without parser) took 1709.73ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 79.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-12-13 18:13:00,315 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:13:00,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.44ms. Allocated memory is still 134.2MB. Free memory was 90.3MB in the beginning and 83.9MB in the end (delta: 6.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-12-13 18:13:00,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.60ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 80.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:13:00,316 INFO L158 Benchmark]: Boogie Preprocessor took 22.72ms. Allocated memory is still 134.2MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:13:00,316 INFO L158 Benchmark]: RCFGBuilder took 310.81ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 65.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:13:00,317 INFO L158 Benchmark]: TraceAbstraction took 512.02ms. Allocated memory is still 134.2MB. Free memory was 65.1MB in the beginning and 79.8MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:13:00,317 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 134.2MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:13:00,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.44ms. Allocated memory is still 134.2MB. Free memory was 90.3MB in the beginning and 83.9MB in the end (delta: 6.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.60ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 80.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.72ms. Allocated memory is still 134.2MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.81ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 65.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 512.02ms. Allocated memory is still 134.2MB. Free memory was 65.1MB in the beginning and 79.8MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 134.2MB. Free memory is still 79.8MB. 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1569, overapproximation of bitwiseAnd at line 1569. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE190_Integer_Overflow__int_rand_add_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_rand_add_61b_badSource(data) [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=0, 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()=65535, rand()=4, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1569] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1570] return data; VAL [\old(data)=0, \result=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE190_Integer_Overflow__int_rand_add_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_rand_add_61b_badSource(data) [L1555] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 20 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 18:13:00,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dbc302d6bacfc43fef9e17f50afeb36633d0d3ddcc94212983f9873139dfb9cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:13:02,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:13:02,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:13:02,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:13:02,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:13:02,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:13:02,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:13:02,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:13:02,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:13:02,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:13:02,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:13:02,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:13:02,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:13:02,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:13:02,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:13:02,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:13:02,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:13:02,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:13:02,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:13:02,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:13:02,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:13:02,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:13:02,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:13:02,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:13:02,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:13:02,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:13:02,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:13:02,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:13:02,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:13:02,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:13:02,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:13:02,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:13:02,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:13:02,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:13:02,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:13:02,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:13:02,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:13:02,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:13:02,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:13:02,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:13:02,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:13:02,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 18:13:02,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:13:02,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:13:02,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:13:02,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:13:02,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:13:02,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:13:02,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:13:02,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:13:02,070 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:13:02,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:13:02,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:13:02,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:13:02,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:13:02,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:13:02,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:13:02,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:13:02,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:13:02,071 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:13:02,071 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:13:02,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:13:02,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:13:02,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:13:02,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:13:02,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:13:02,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:13:02,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:13:02,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:13:02,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:13:02,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:13:02,073 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:13:02,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:13:02,073 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:13:02,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:13:02,074 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:13:02,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:13:02,074 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:13:02,074 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:13:02,074 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbc302d6bacfc43fef9e17f50afeb36633d0d3ddcc94212983f9873139dfb9cd [2022-12-13 18:13:02,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:13:02,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:13:02,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:13:02,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:13:02,320 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:13:02,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_61_bad.i [2022-12-13 18:13:05,011 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:13:05,298 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:13:05,298 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_61_bad.i [2022-12-13 18:13:05,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data/d502c8d88/29718fac597b47e58bcf9449b2356fbe/FLAGed289b595 [2022-12-13 18:13:05,330 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/data/d502c8d88/29718fac597b47e58bcf9449b2356fbe [2022-12-13 18:13:05,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:13:05,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:13:05,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:13:05,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:13:05,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:13:05,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:13:05" (1/1) ... [2022-12-13 18:13:05,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3b3ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:05, skipping insertion in model container [2022-12-13 18:13:05,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:13:05" (1/1) ... [2022-12-13 18:13:05,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:13:05,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:13:05,642 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:13:05,921 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:13:05,925 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:13:05,926 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:13:05,928 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:13:05,928 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:13:05,945 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:13:05,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:13:05,957 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:13:05,972 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:13:06,010 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:13:06,012 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:13:06,012 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:13:06,014 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:13:06,015 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:13:06,018 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:13:06,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:13:06,108 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:13:06,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06 WrapperNode [2022-12-13 18:13:06,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:13:06,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:13:06,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:13:06,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:13:06,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,147 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-12-13 18:13:06,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:13:06,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:13:06,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:13:06,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:13:06,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,176 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:13:06,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:13:06,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:13:06,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:13:06,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (1/1) ... [2022-12-13 18:13:06,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:13:06,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:13:06,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:13:06,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:13:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:13:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:13:06,342 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:13:06,344 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:13:06,454 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:13:06,459 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:13:06,459 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:13:06,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:13:06 BoogieIcfgContainer [2022-12-13 18:13:06,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:13:06,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:13:06,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:13:06,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:13:06,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:13:05" (1/3) ... [2022-12-13 18:13:06,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2f2c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:13:06, skipping insertion in model container [2022-12-13 18:13:06,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:13:06" (2/3) ... [2022-12-13 18:13:06,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2f2c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:13:06, skipping insertion in model container [2022-12-13 18:13:06,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:13:06" (3/3) ... [2022-12-13 18:13:06,469 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_61_bad.i [2022-12-13 18:13:06,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:13:06,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:13:06,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:13:06,531 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6504290c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:13:06,531 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:13:06,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:13:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:13:06,540 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:06,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:13:06,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:13:06,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:06,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 18:13:06,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:13:06,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958151738] [2022-12-13 18:13:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:06,554 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 [2022-12-13 18:13:06,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:13:06,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:13:06,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:06,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 18:13:06,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:13:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:13:06,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:13:06,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:13:06,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958151738] [2022-12-13 18:13:06,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958151738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:13:06,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:13:06,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 18:13:06,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482316939] [2022-12-13 18:13:06,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:13:06,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:13:06,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:13:06,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:13:06,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:13:06,728 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) 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) [2022-12-13 18:13:06,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:13:06,741 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 18:13:06,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:13:06,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) 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 [2022-12-13 18:13:06,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:13:06,747 INFO L225 Difference]: With dead ends: 22 [2022-12-13 18:13:06,747 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 18:13:06,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:13:06,752 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:13:06,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:13:06,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 18:13:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 18:13:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:13:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 18:13:06,778 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 18:13:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:13:06,778 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 18:13:06,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) 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) [2022-12-13 18:13:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 18:13:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:13:06,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:06,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:13:06,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:06,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:06,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:13:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:06,981 INFO L85 PathProgramCache]: Analyzing trace with hash 401828808, now seen corresponding path program 1 times [2022-12-13 18:13:06,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:13:06,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878287046] [2022-12-13 18:13:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:06,981 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 [2022-12-13 18:13:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:13:06,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:13:06,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:13:07,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:13:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:13:07,096 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 18:13:07,096 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:13:07,098 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:13:07,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:13:07,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0 [2022-12-13 18:13:07,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:07,304 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:13:07,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:13:07,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:13:07 BoogieIcfgContainer [2022-12-13 18:13:07,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:13:07,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:13:07,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:13:07,340 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:13:07,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:13:06" (3/4) ... [2022-12-13 18:13:07,341 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 18:13:07,371 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:13:07,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:13:07,372 INFO L158 Benchmark]: Toolchain (without parser) took 2038.22ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 42.4MB in the beginning and 67.7MB in the end (delta: -25.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-12-13 18:13:07,372 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:13:07,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.11ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 42.2MB in the beginning and 56.0MB in the end (delta: -13.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-12-13 18:13:07,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.32ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 52.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:13:07,373 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 98.6MB. Free memory was 52.8MB in the beginning and 50.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:13:07,374 INFO L158 Benchmark]: RCFGBuilder took 281.32ms. Allocated memory is still 98.6MB. Free memory was 50.8MB in the beginning and 67.1MB in the end (delta: -16.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-13 18:13:07,374 INFO L158 Benchmark]: TraceAbstraction took 875.14ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 69.7MB in the end (delta: -3.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 18:13:07,374 INFO L158 Benchmark]: Witness Printer took 31.63ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 67.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:13:07,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.11ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 42.2MB in the beginning and 56.0MB in the end (delta: -13.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.32ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 52.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 98.6MB. Free memory was 52.8MB in the beginning and 50.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.32ms. Allocated memory is still 98.6MB. Free memory was 50.8MB in the beginning and 67.1MB in the end (delta: -16.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 875.14ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 69.7MB in the end (delta: -3.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 31.63ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 67.7MB in the end (delta: 2.0MB). 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 - CounterExampleResult [Line: 1555]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_rand_add_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_rand_add_61b_badSource(data) [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=0, 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()=0, rand()=65536, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1569] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1570] return data; VAL [\old(data)=0, \result=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE190_Integer_Overflow__int_rand_add_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_rand_add_61b_badSource(data) [L1555] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:13:07,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d5aa46-f99e-4bf1-b8bf-46328a3776f5/bin/uautomizer-uyxdKDjOR8/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)