./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_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_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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_ad641897-0847-4f6c-901c-860e8682e1fb/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 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a --- 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 16:57:22,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:57:22,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:57:22,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:57:22,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:57:22,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:57:22,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:57:22,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:57:22,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:57:22,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:57:22,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:57:22,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:57:22,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:57:22,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:57:22,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:57:22,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:57:22,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:57:22,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:57:22,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:57:22,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:57:22,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:57:22,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:57:22,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:57:22,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:57:22,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:57:22,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:57:22,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:57:22,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:57:22,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:57:22,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:57:22,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:57:22,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:57:22,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:57:22,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:57:22,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:57:22,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:57:22,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:57:22,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:57:22,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:57:22,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:57:22,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:57:22,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:57:22,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:57:22,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:57:22,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:57:22,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:57:22,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:57:22,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:57:22,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:57:22,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:57:22,511 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:57:22,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:57:22,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:57:22,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:57:22,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:57:22,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:57:22,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:57:22,514 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:57:22,514 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_ad641897-0847-4f6c-901c-860e8682e1fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a [2022-12-13 16:57:22,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:57:22,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:57:22,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:57:22,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:57:22,705 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:57:22,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i [2022-12-13 16:57:25,298 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:57:25,495 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:57:25,496 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i [2022-12-13 16:57:25,508 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data/37fa6b322/d5926bb2386b468f8d63c47658d5210f/FLAGfa06a854d [2022-12-13 16:57:25,519 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data/37fa6b322/d5926bb2386b468f8d63c47658d5210f [2022-12-13 16:57:25,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:57:25,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:57:25,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:57:25,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:57:25,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:57:25,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:57:25" (1/1) ... [2022-12-13 16:57:25,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5709c407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:25, skipping insertion in model container [2022-12-13 16:57:25,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:57:25" (1/1) ... [2022-12-13 16:57:25,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:57:25,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:57:25,792 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:57:26,074 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:57:26,078 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:26,079 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:26,081 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:26,082 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:26,101 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:57:26,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:57:26,110 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:57:26,124 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:57:26,155 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:57:26,157 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:26,158 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:26,159 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:26,160 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:26,164 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:57:26,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:57:26,268 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:57:26,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26 WrapperNode [2022-12-13 16:57:26,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:57:26,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:57:26,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:57:26,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:57:26,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,306 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-13 16:57:26,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:57:26,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:57:26,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:57:26,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:57:26,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:57:26,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:57:26,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:57:26,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:57:26,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (1/1) ... [2022-12-13 16:57:26,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:57:26,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:57:26,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:57:26,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:57:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:57:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:57:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:57:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:57:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:57:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:57:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:57:26,485 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:57:26,487 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:57:26,622 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:57:26,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:57:26,629 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:57:26,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:57:26 BoogieIcfgContainer [2022-12-13 16:57:26,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:57:26,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:57:26,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:57:26,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:57:26,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:57:25" (1/3) ... [2022-12-13 16:57:26,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61851f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:57:26, skipping insertion in model container [2022-12-13 16:57:26,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:26" (2/3) ... [2022-12-13 16:57:26,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61851f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:57:26, skipping insertion in model container [2022-12-13 16:57:26,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:57:26" (3/3) ... [2022-12-13 16:57:26,639 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_22_bad.i [2022-12-13 16:57:26,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:57:26,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:57:26,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:57:26,698 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;@5df3834d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:57:26,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:57:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 16:57:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:57:26,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:26,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:57:26,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:57:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:26,711 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 16:57:26,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:57:26,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218996557] [2022-12-13 16:57:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:26,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:57:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:57:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,997 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 16:57:26,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:57:26,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218996557] [2022-12-13 16:57:26,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218996557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:57:26,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:57:26,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:57:27,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618423078] [2022-12-13 16:57:27,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:57:27,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:57:27,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:57:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:57:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:57:27,026 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 16:57:27,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:57:27,046 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 16:57:27,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:57:27,048 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 16:57:27,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:57:27,053 INFO L225 Difference]: With dead ends: 23 [2022-12-13 16:57:27,053 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 16:57:27,056 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 16:57:27,058 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:57:27,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:57:27,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 16:57:27,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 16:57:27,082 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 16:57:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 16:57:27,083 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 16:57:27,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:57:27,084 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 16:57:27,084 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 16:57:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 16:57:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 16:57:27,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:27,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:57:27,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:57:27,085 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:57:27,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 16:57:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:57:27,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109949466] [2022-12-13 16:57:27,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:57:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:57:27,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:57:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:57:27,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:57:27,163 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:57:27,165 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:57:27,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:57:27,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:57:27,170 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:57:27,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:57:27,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:57:27 BoogieIcfgContainer [2022-12-13 16:57:27,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:57:27,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:57:27,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:57:27,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:57:27,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:57:26" (3/4) ... [2022-12-13 16:57:27,200 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:57:27,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:57:27,201 INFO L158 Benchmark]: Toolchain (without parser) took 1678.17ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.6MB in the beginning and 133.3MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:57:27,201 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:57:27,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.90ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.1MB in the beginning and 130.5MB in the end (delta: -29.3MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-12-13 16:57:27,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.97ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 127.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:57:27,203 INFO L158 Benchmark]: Boogie Preprocessor took 18.21ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 126.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:57:27,203 INFO L158 Benchmark]: RCFGBuilder took 305.59ms. Allocated memory is still 174.1MB. Free memory was 126.3MB in the beginning and 112.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:57:27,204 INFO L158 Benchmark]: TraceAbstraction took 562.34ms. Allocated memory is still 174.1MB. Free memory was 111.6MB in the beginning and 133.3MB in the end (delta: -21.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-12-13 16:57:27,204 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 174.1MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:57:27,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.90ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.1MB in the beginning and 130.5MB in the end (delta: -29.3MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.97ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 127.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.21ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 126.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.59ms. Allocated memory is still 174.1MB. Free memory was 126.3MB in the beginning and 112.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 562.34ms. Allocated memory is still 174.1MB. Free memory was 111.6MB in the beginning and 133.3MB in the end (delta: -21.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 174.1MB. Free memory is still 133.3MB. 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=3221225474, argc=3221225474, argv={3221225473:3221225475}, argv={3221225473:3221225475}, CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, 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 CWE190_Integer_Overflow__int_rand_add_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=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()=65536, rand()=0, rand()=2147483647, rand()=3, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_add_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_add_22_badGlobal) VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, 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] [L1572] data + 1 VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, 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: 1572]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 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=23occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 16:57:27,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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_ad641897-0847-4f6c-901c-860e8682e1fb/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 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a --- 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 16:57:28,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:57:28,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:57:28,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:57:28,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:57:28,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:57:28,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:57:28,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:57:28,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:57:28,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:57:28,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:57:28,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:57:28,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:57:28,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:57:28,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:57:28,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:57:28,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:57:28,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:57:28,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:57:28,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:57:28,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:57:28,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:57:28,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:57:28,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:57:28,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:57:28,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:57:28,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:57:28,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:57:28,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:57:28,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:57:28,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:57:28,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:57:28,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:57:28,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:57:28,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:57:28,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:57:28,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:57:28,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:57:28,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:57:28,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:57:28,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:57:28,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:57:28,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:57:28,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:57:28,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:57:28,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:57:28,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:57:28,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:57:28,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:57:28,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:57:28,936 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:57:28,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:57:28,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:57:28,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:57:28,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:57:28,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:57:28,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:57:28,937 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:57:28,937 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:57:28,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:57:28,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:57:28,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:57:28,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:57:28,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:57:28,939 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:57:28,939 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:57:28,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:57:28,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:57:28,939 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:57:28,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:57:28,940 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:57:28,940 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:57:28,940 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_ad641897-0847-4f6c-901c-860e8682e1fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a [2022-12-13 16:57:29,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:57:29,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:57:29,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:57:29,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:57:29,187 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:57:29,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i [2022-12-13 16:57:31,757 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:57:32,007 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:57:32,008 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i [2022-12-13 16:57:32,020 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data/1bbe6f245/b5914141b3f248e78a89e7d074466285/FLAG7684c4ca4 [2022-12-13 16:57:32,030 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/data/1bbe6f245/b5914141b3f248e78a89e7d074466285 [2022-12-13 16:57:32,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:57:32,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:57:32,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:57:32,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:57:32,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:57:32,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492bcbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32, skipping insertion in model container [2022-12-13 16:57:32,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:57:32,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:57:32,335 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:57:32,634 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:57:32,638 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:32,639 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:32,641 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:32,641 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:32,657 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:57:32,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:57:32,669 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:57:32,682 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:57:32,715 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:57:32,717 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:32,717 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:57:32,719 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:32,719 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:57:32,723 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:57:32,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:57:32,803 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:57:32,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32 WrapperNode [2022-12-13 16:57:32,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:57:32,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:57:32,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:57:32,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:57:32,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,845 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-13 16:57:32,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:57:32,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:57:32,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:57:32,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:57:32,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:57:32,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:57:32,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:57:32,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:57:32,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (1/1) ... [2022-12-13 16:57:32,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:57:32,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:57:32,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:57:32,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:57:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:57:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:57:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:57:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:57:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:57:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:57:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:57:33,024 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:57:33,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:57:33,127 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:57:33,133 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:57:33,133 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:57:33,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:57:33 BoogieIcfgContainer [2022-12-13 16:57:33,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:57:33,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:57:33,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:57:33,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:57:33,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:57:32" (1/3) ... [2022-12-13 16:57:33,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f419e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:57:33, skipping insertion in model container [2022-12-13 16:57:33,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:57:32" (2/3) ... [2022-12-13 16:57:33,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f419e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:57:33, skipping insertion in model container [2022-12-13 16:57:33,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:57:33" (3/3) ... [2022-12-13 16:57:33,143 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_22_bad.i [2022-12-13 16:57:33,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:57:33,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:57:33,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:57:33,194 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;@2c74d148, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:57:33,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:57:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 16:57:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:57:33,202 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:33,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:57:33,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:57:33,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:33,206 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 16:57:33,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:57:33,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538240140] [2022-12-13 16:57:33,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:33,218 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 16:57:33,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:57:33,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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 16:57:33,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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 16:57:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:33,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:57:33,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:57:33,324 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 16:57:33,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:57:33,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:57:33,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538240140] [2022-12-13 16:57:33,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538240140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:57:33,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:57:33,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:57:33,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664974853] [2022-12-13 16:57:33,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:57:33,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:57:33,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:57:33,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:57:33,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:57:33,352 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 16:57:33,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:57:33,364 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 16:57:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:57:33,366 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 16:57:33,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:57:33,370 INFO L225 Difference]: With dead ends: 23 [2022-12-13 16:57:33,371 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 16:57:33,372 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 16:57:33,375 INFO L413 NwaCegarLoop]: 25 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, 25 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 16:57:33,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:57:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 16:57:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 16:57:33,397 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 16:57:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 16:57:33,398 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 16:57:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:57:33,398 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 16:57:33,398 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 16:57:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 16:57:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 16:57:33,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:33,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:57:33,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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 16:57:33,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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 16:57:33,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:57:33,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:33,603 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 16:57:33,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:57:33,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110764080] [2022-12-13 16:57:33,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:33,606 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 16:57:33,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:57:33,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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 16:57:33,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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 16:57:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:57:33,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:57:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:57:33,858 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:57:33,858 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:57:33,860 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:57:33,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:57:33,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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)] Ended with exit code 0 [2022-12-13 16:57:34,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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 16:57:34,068 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:57:34,076 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:57:34,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:57:34 BoogieIcfgContainer [2022-12-13 16:57:34,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:57:34,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:57:34,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:57:34,139 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:57:34,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:57:33" (3/4) ... [2022-12-13 16:57:34,142 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:57:34,177 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:57:34,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:57:34,178 INFO L158 Benchmark]: Toolchain (without parser) took 2144.33ms. Allocated memory is still 86.0MB. Free memory was 61.2MB in the beginning and 34.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-12-13 16:57:34,178 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:57:34,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.75ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 37.6MB in the end (delta: 23.4MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2022-12-13 16:57:34,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 86.0MB. Free memory was 37.6MB in the beginning and 58.9MB in the end (delta: -21.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-12-13 16:57:34,179 INFO L158 Benchmark]: Boogie Preprocessor took 19.30ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:57:34,179 INFO L158 Benchmark]: RCFGBuilder took 269.18ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 43.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:57:34,179 INFO L158 Benchmark]: TraceAbstraction took 999.87ms. Allocated memory is still 86.0MB. Free memory was 43.0MB in the beginning and 37.1MB in the end (delta: 5.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-12-13 16:57:34,180 INFO L158 Benchmark]: Witness Printer took 38.80ms. Allocated memory is still 86.0MB. Free memory was 37.1MB in the beginning and 34.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:57:34,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.75ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 37.6MB in the end (delta: 23.4MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 86.0MB. Free memory was 37.6MB in the beginning and 58.9MB in the end (delta: -21.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.30ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.18ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 43.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 999.87ms. Allocated memory is still 86.0MB. Free memory was 43.0MB in the beginning and 37.1MB in the end (delta: 5.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 38.80ms. Allocated memory is still 86.0MB. Free memory was 37.1MB in the beginning and 34.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1572]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, 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 CWE190_Integer_Overflow__int_rand_add_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=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()=65536, rand()=0, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_add_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_add_22_badGlobal) VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, 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] [L1572] data + 1 VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, 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: 1572]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 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, 25 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=23occurred 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, 56 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 16:57:34,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad641897-0847-4f6c-901c-860e8682e1fb/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)