./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_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_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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_5f6369f6-fb0e-4227-be45-0a780fcda261/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 e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 --- 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 17:47:54,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:47:54,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:47:54,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:47:54,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:47:54,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:47:54,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:47:54,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:47:54,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:47:54,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:47:54,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:47:54,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:47:54,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:47:54,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:47:54,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:47:54,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:47:54,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:47:54,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:47:54,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:47:54,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:47:54,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:47:54,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:47:54,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:47:54,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:47:54,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:47:54,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:47:54,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:47:54,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:47:54,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:47:54,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:47:54,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:47:54,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:47:54,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:47:54,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:47:54,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:47:54,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:47:54,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:47:54,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:47:54,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:47:54,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:47:54,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:47:54,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 17:47:54,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:47:54,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:47:54,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:47:54,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:47:54,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:47:54,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:47:54,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:47:54,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:47:54,336 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:47:54,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:47:54,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:47:54,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:47:54,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:47:54,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:47:54,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:47:54,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:47:54,338 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:47:54,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:47:54,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:47:54,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:47:54,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:47:54,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:47:54,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:47:54,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:47:54,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:47:54,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:47:54,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:47:54,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:47:54,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:47:54,340 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:47:54,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:47:54,340 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:47:54,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:47:54,341 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:47:54,341 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_5f6369f6-fb0e-4227-be45-0a780fcda261/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 [2022-12-13 17:47:54,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:47:54,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:47:54,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:47:54,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:47:54,538 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:47:54,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2022-12-13 17:47:57,016 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:47:57,293 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:47:57,294 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2022-12-13 17:47:57,309 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data/463d65b4a/0fa2e26b95af4aa8a7cfdec059b2e030/FLAGcd39c8fa9 [2022-12-13 17:47:57,598 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data/463d65b4a/0fa2e26b95af4aa8a7cfdec059b2e030 [2022-12-13 17:47:57,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:47:57,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:47:57,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:47:57,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:47:57,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:47:57,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:47:57" (1/1) ... [2022-12-13 17:47:57,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c9ec6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:57, skipping insertion in model container [2022-12-13 17:47:57,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:47:57" (1/1) ... [2022-12-13 17:47:57,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:47:57,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:47:57,881 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:47:58,195 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:47:58,199 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:47:58,201 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:47:58,202 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:47:58,203 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:47:58,222 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:47:58,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:47:58,230 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:47:58,244 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:47:58,276 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:47:58,277 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:47:58,278 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:47:58,279 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:47:58,280 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:47:58,284 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:47:58,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:47:58,381 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:47:58,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58 WrapperNode [2022-12-13 17:47:58,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:47:58,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:47:58,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:47:58,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:47:58,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,436 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-12-13 17:47:58,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:47:58,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:47:58,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:47:58,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:47:58,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,459 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:47:58,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:47:58,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:47:58,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:47:58,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (1/1) ... [2022-12-13 17:47:58,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:47:58,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:47:58,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:47:58,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:47:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:47:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:47:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:47:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:47:58,635 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:47:58,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:47:58,752 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:47:58,756 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:47:58,757 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:47:58,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:47:58 BoogieIcfgContainer [2022-12-13 17:47:58,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:47:58,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:47:58,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:47:58,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:47:58,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:47:57" (1/3) ... [2022-12-13 17:47:58,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5c28ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:47:58, skipping insertion in model container [2022-12-13 17:47:58,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:47:58" (2/3) ... [2022-12-13 17:47:58,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5c28ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:47:58, skipping insertion in model container [2022-12-13 17:47:58,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:47:58" (3/3) ... [2022-12-13 17:47:58,765 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2022-12-13 17:47:58,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:47:58,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 17:47:58,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:47:58,838 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;@283e0812, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:47:58,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 17:47:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 17:47:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 17:47:58,848 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:47:58,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:47:58,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:47:58,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:47:58,853 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 17:47:58,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:47:58,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662461505] [2022-12-13 17:47:58,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:47:58,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:47:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:47:58,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:47:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:47:59,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:47:59,047 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:47:59,048 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 17:47:59,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 17:47:59,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:47:59,054 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:47:59,057 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:47:59,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:47:59 BoogieIcfgContainer [2022-12-13 17:47:59,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:47:59,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:47:59,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:47:59,076 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:47:59,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:47:58" (3/4) ... [2022-12-13 17:47:59,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:47:59,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:47:59,079 INFO L158 Benchmark]: Toolchain (without parser) took 1478.57ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 81.2MB in the beginning and 87.7MB in the end (delta: -6.4MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2022-12-13 17:47:59,080 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:47:59,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.02ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 81.2MB in the beginning and 128.6MB in the end (delta: -47.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-12-13 17:47:59,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.50ms. Allocated memory is still 186.6MB. Free memory was 128.6MB in the beginning and 125.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:47:59,081 INFO L158 Benchmark]: Boogie Preprocessor took 26.83ms. Allocated memory is still 186.6MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:47:59,081 INFO L158 Benchmark]: RCFGBuilder took 293.55ms. Allocated memory is still 186.6MB. Free memory was 123.3MB in the beginning and 108.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:47:59,081 INFO L158 Benchmark]: TraceAbstraction took 314.97ms. Allocated memory is still 186.6MB. Free memory was 108.6MB in the beginning and 87.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 17:47:59,082 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 186.6MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:47:59,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.02ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 81.2MB in the beginning and 128.6MB in the end (delta: -47.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.50ms. Allocated memory is still 186.6MB. Free memory was 128.6MB in the beginning and 125.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.83ms. Allocated memory is still 186.6MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.55ms. Allocated memory is still 186.6MB. Free memory was 123.3MB in the beginning and 108.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 314.97ms. Allocated memory is still 186.6MB. Free memory was 108.6MB in the beginning and 87.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 186.6MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [\old(argc)=3221225476, argc=3221225476, argv={3221225475:3221225477}, argv={3221225475:3221225477}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE191_Integer_Underflow__int_rand_predec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}, rand()=65536, rand()=3, rand()=2147483647, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] --data VAL [data=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] - UnprovableResult [Line: 1563]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 17:47:59,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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_5f6369f6-fb0e-4227-be45-0a780fcda261/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 e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 --- 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 17:48:00,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:48:00,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:48:00,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:48:00,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:48:00,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:48:00,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:48:00,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:48:00,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:48:00,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:48:00,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:48:00,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:48:00,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:48:00,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:48:00,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:48:00,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:48:00,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:48:00,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:48:00,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:48:00,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:48:00,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:48:00,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:48:00,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:48:00,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:48:00,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:48:00,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:48:00,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:48:00,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:48:00,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:48:00,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:48:00,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:48:00,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:48:00,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:48:00,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:48:00,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:48:00,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:48:00,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:48:00,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:48:00,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:48:00,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:48:00,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:48:00,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 17:48:00,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:48:00,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:48:00,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:48:00,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:48:00,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:48:00,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:48:00,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:48:00,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:48:00,747 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:48:00,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:48:00,747 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:48:00,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:48:00,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:48:00,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:48:00,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:48:00,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:48:00,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:48:00,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:48:00,749 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:48:00,750 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:48:00,750 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_5f6369f6-fb0e-4227-be45-0a780fcda261/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 [2022-12-13 17:48:00,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:48:00,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:48:00,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:48:00,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:48:00,979 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:48:00,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2022-12-13 17:48:03,542 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:48:03,743 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:48:03,744 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2022-12-13 17:48:03,757 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data/c446a65e2/d3e672668ba7493ea0765b2a814e66e1/FLAG9a362a8e9 [2022-12-13 17:48:03,772 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/data/c446a65e2/d3e672668ba7493ea0765b2a814e66e1 [2022-12-13 17:48:03,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:48:03,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:48:03,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:48:03,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:48:03,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:48:03,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:48:03" (1/1) ... [2022-12-13 17:48:03,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb84248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:03, skipping insertion in model container [2022-12-13 17:48:03,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:48:03" (1/1) ... [2022-12-13 17:48:03,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:48:03,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:48:04,053 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:48:04,326 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:48:04,334 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:48:04,336 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:48:04,337 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:48:04,337 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:48:04,353 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:48:04,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:48:04,363 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:48:04,376 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:48:04,408 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:48:04,410 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:48:04,410 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:48:04,412 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:48:04,412 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:48:04,417 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:48:04,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:48:04,505 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:48:04,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04 WrapperNode [2022-12-13 17:48:04,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:48:04,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:48:04,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:48:04,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:48:04,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,561 INFO L138 Inliner]: procedures = 504, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-12-13 17:48:04,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:48:04,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:48:04,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:48:04,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:48:04,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:48:04,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:48:04,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:48:04,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:48:04,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (1/1) ... [2022-12-13 17:48:04,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:48:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:48:04,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:48:04,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:48:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:48:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:48:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:48:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 17:48:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:48:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:48:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:48:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 17:48:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:48:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 17:48:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:48:04,779 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:48:04,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:48:04,908 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:48:04,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:48:04,913 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:48:04,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:48:04 BoogieIcfgContainer [2022-12-13 17:48:04,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:48:04,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:48:04,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:48:04,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:48:04,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:48:03" (1/3) ... [2022-12-13 17:48:04,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563ec49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:48:04, skipping insertion in model container [2022-12-13 17:48:04,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:48:04" (2/3) ... [2022-12-13 17:48:04,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563ec49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:48:04, skipping insertion in model container [2022-12-13 17:48:04,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:48:04" (3/3) ... [2022-12-13 17:48:04,921 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2022-12-13 17:48:04,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:48:04,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 17:48:04,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:48:04,976 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;@424054a3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:48:04,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 17:48:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 17:48:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 17:48:04,992 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:48:04,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:48:04,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:48:04,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:48:04,998 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 17:48:05,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:48:05,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388648557] [2022-12-13 17:48:05,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:48:05,017 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 17:48:05,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:48:05,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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 17:48:05,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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 17:48:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:48:05,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:48:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:48:05,174 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 17:48:05,176 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:48:05,176 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 17:48:05,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 17:48:05,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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 17:48:05,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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 17:48:05,382 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:48:05,386 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:48:05,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:48:05 BoogieIcfgContainer [2022-12-13 17:48:05,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:48:05,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:48:05,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:48:05,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:48:05,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:48:04" (3/4) ... [2022-12-13 17:48:05,409 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 17:48:05,442 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:48:05,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:48:05,443 INFO L158 Benchmark]: Toolchain (without parser) took 1666.43ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 30.1MB in the beginning and 30.1MB in the end (delta: -62.0kB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-12-13 17:48:05,443 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 27.2MB in the beginning and 27.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:48:05,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.62ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.9MB in the beginning and 30.2MB in the end (delta: -236.9kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:48:05,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.61ms. Allocated memory is still 73.4MB. Free memory was 30.2MB in the beginning and 45.7MB in the end (delta: -15.5MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-12-13 17:48:05,444 INFO L158 Benchmark]: Boogie Preprocessor took 32.72ms. Allocated memory is still 73.4MB. Free memory was 45.7MB in the beginning and 43.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:48:05,444 INFO L158 Benchmark]: RCFGBuilder took 320.05ms. Allocated memory is still 73.4MB. Free memory was 43.7MB in the beginning and 29.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:48:05,445 INFO L158 Benchmark]: TraceAbstraction took 489.23ms. Allocated memory is still 73.4MB. Free memory was 29.0MB in the beginning and 32.7MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:48:05,445 INFO L158 Benchmark]: Witness Printer took 35.55ms. Allocated memory is still 73.4MB. Free memory was 32.7MB in the beginning and 30.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:48:05,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 27.2MB in the beginning and 27.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.62ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.9MB in the beginning and 30.2MB in the end (delta: -236.9kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.61ms. Allocated memory is still 73.4MB. Free memory was 30.2MB in the beginning and 45.7MB in the end (delta: -15.5MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.72ms. Allocated memory is still 73.4MB. Free memory was 45.7MB in the beginning and 43.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.05ms. Allocated memory is still 73.4MB. Free memory was 43.7MB in the beginning and 29.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 489.23ms. Allocated memory is still 73.4MB. Free memory was 29.0MB in the beginning and 32.7MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.55ms. Allocated memory is still 73.4MB. Free memory was 32.7MB in the beginning and 30.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1563]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE191_Integer_Underflow__int_rand_predec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}, rand()=32767, rand()=1, rand()=32767, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] --data VAL [data=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] - UnprovableResult [Line: 1563]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 17:48:05,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6369f6-fb0e-4227-be45-0a780fcda261/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)