./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:48:33,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:48:33,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:48:33,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:48:33,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:48:33,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:48:33,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:48:33,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:48:33,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:48:33,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:48:33,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:48:33,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:48:33,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:48:33,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:48:33,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:48:33,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:48:33,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:48:33,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:48:33,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:48:33,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:48:33,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:48:33,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:48:33,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:48:33,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:48:33,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:48:33,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:48:33,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:48:33,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:48:33,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:48:33,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:48:33,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:48:33,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:48:33,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:48:33,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:48:33,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:48:33,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:48:33,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:48:33,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:48:33,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:48:33,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:48:33,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:48:33,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:48:33,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:48:33,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:48:33,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:48:33,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:48:33,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:48:33,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:48:33,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:48:33,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:48:33,482 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:48:33,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:48:33,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:48:33,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:48:33,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:48:33,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:48:33,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:48:33,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:48:33,483 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:48:33,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:48:33,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:48:33,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:48:33,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:48:33,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:48:33,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:48:33,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:48:33,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:48:33,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:48:33,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:48:33,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:48:33,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:48:33,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:48:33,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:48:33,485 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:48:33,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:48:33,486 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:48:33,486 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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 [2022-12-13 18:48:33,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:48:33,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:48:33,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:48:33,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:48:33,679 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:48:33,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2022-12-13 18:48:36,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:48:36,410 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:48:36,411 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2022-12-13 18:48:36,423 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data/6aa3bfb3d/cf6b006d88c54b1189987b37bca78400/FLAG456bd25a3 [2022-12-13 18:48:36,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data/6aa3bfb3d/cf6b006d88c54b1189987b37bca78400 [2022-12-13 18:48:36,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:48:36,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:48:36,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:48:36,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:48:36,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:48:36,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:48:36" (1/1) ... [2022-12-13 18:48:36,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a45aadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:36, skipping insertion in model container [2022-12-13 18:48:36,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:48:36" (1/1) ... [2022-12-13 18:48:36,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:48:36,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:48:36,761 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:48:37,093 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:48:37,097 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:37,099 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:37,101 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:37,101 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:37,119 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:48:37,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:48:37,130 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:48:37,142 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:48:37,172 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:48:37,173 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:37,173 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:37,175 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:37,175 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:37,178 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:48:37,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:48:37,293 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:48:37,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37 WrapperNode [2022-12-13 18:48:37,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:48:37,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:48:37,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:48:37,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:48:37,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,338 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2022-12-13 18:48:37,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:48:37,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:48:37,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:48:37,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:48:37,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,357 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:48:37,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:48:37,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:48:37,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:48:37,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (1/1) ... [2022-12-13 18:48:37,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:48:37,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:37,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:37,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:48:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:48:37,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:48:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:48:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:48:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:48:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:48:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:48:37,514 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:48:37,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:48:37,627 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:48:37,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:48:37,632 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:48:37,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:48:37 BoogieIcfgContainer [2022-12-13 18:48:37,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:48:37,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:48:37,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:48:37,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:48:37,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:48:36" (1/3) ... [2022-12-13 18:48:37,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e24ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:48:37, skipping insertion in model container [2022-12-13 18:48:37,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:37" (2/3) ... [2022-12-13 18:48:37,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e24ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:48:37, skipping insertion in model container [2022-12-13 18:48:37,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:48:37" (3/3) ... [2022-12-13 18:48:37,639 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2022-12-13 18:48:37,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:48:37,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:48:37,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:48:37,689 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;@3a245f29, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:48:37,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:48:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:48:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:48:37,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:37,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:37,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:48:37,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:37,702 INFO L85 PathProgramCache]: Analyzing trace with hash 84697761, now seen corresponding path program 1 times [2022-12-13 18:48:37,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:37,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983856001] [2022-12-13 18:48:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:37,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:37,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:48:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:37,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:48:37,857 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:48:37,858 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:48:37,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:48:37,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:48:37,863 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:48:37,867 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:48:37,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:48:37 BoogieIcfgContainer [2022-12-13 18:48:37,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:48:37,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:48:37,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:48:37,884 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:48:37,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:48:37" (3/4) ... [2022-12-13 18:48:37,887 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:48:37,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:48:37,888 INFO L158 Benchmark]: Toolchain (without parser) took 1451.40ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.4MB in the beginning and 85.2MB in the end (delta: 17.2MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-12-13 18:48:37,888 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:37,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.63ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.0MB in the beginning and 122.9MB in the end (delta: -21.0MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2022-12-13 18:48:37,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.35ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 119.8MB in the end (delta: 3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 18:48:37,889 INFO L158 Benchmark]: Boogie Preprocessor took 20.57ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:37,890 INFO L158 Benchmark]: RCFGBuilder took 272.99ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 105.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:48:37,890 INFO L158 Benchmark]: TraceAbstraction took 249.22ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 85.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:48:37,890 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 167.8MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:37,892 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 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.63ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.0MB in the beginning and 122.9MB in the end (delta: -21.0MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.35ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 119.8MB in the end (delta: 3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.57ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.99ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 105.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 249.22ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 85.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 167.8MB. Free memory is still 85.2MB. 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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] [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=1073774594, argc=1073774594, argv={1073774593:1073774595}, argv={1073774593:1073774595}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=32769, rand()=1073741824, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 VAL [\old(data)=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [\old(data)=-1073741825, data=-1073741825, 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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=24occurred 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, 12 NumberOfCodeBlocks, 12 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 18:48:37,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:48:39,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:48:39,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:48:39,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:48:39,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:48:39,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:48:39,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:48:39,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:48:39,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:48:39,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:48:39,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:48:39,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:48:39,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:48:39,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:48:39,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:48:39,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:48:39,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:48:39,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:48:39,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:48:39,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:48:39,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:48:39,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:48:39,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:48:39,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:48:39,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:48:39,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:48:39,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:48:39,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:48:39,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:48:39,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:48:39,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:48:39,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:48:39,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:48:39,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:48:39,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:48:39,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:48:39,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:48:39,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:48:39,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:48:39,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:48:39,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:48:39,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 18:48:39,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:48:39,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:48:39,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:48:39,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:48:39,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:48:39,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:48:39,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:48:39,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:48:39,535 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:48:39,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:48:39,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:48:39,536 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:48:39,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:48:39,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:48:39,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:48:39,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:48:39,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:48:39,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:48:39,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:48:39,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:48:39,538 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:48:39,539 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:48:39,539 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_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 [2022-12-13 18:48:39,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:48:39,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:48:39,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:48:39,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:48:39,782 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:48:39,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2022-12-13 18:48:42,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:48:42,619 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:48:42,620 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2022-12-13 18:48:42,633 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data/8178fcaf8/9050c22c10e54d28a56623c1e9eded64/FLAGfe2bb9766 [2022-12-13 18:48:42,945 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/data/8178fcaf8/9050c22c10e54d28a56623c1e9eded64 [2022-12-13 18:48:42,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:48:42,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:48:42,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:48:42,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:48:42,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:48:42,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:48:42" (1/1) ... [2022-12-13 18:48:42,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9298b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:42, skipping insertion in model container [2022-12-13 18:48:42,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:48:42" (1/1) ... [2022-12-13 18:48:42,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:48:42,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:48:43,282 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:48:43,659 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:48:43,663 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:43,664 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:43,666 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:43,666 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:43,681 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:48:43,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:48:43,695 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:48:43,708 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:48:43,743 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:48:43,744 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:43,745 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:48:43,747 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:43,747 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:48:43,750 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:48:43,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:48:43,887 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:48:43,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43 WrapperNode [2022-12-13 18:48:43,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:48:43,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:48:43,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:48:43,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:48:43,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,925 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2022-12-13 18:48:43,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:48:43,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:48:43,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:48:43,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:48:43,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:48:43,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:48:43,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:48:43,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:48:43,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (1/1) ... [2022-12-13 18:48:43,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:48:43,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:43,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:43,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:48:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:48:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:48:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:48:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:48:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:48:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:48:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:48:44,145 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:48:44,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:48:44,253 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:48:44,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:48:44,258 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:48:44,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:48:44 BoogieIcfgContainer [2022-12-13 18:48:44,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:48:44,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:48:44,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:48:44,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:48:44,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:48:42" (1/3) ... [2022-12-13 18:48:44,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0097bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:48:44, skipping insertion in model container [2022-12-13 18:48:44,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:48:43" (2/3) ... [2022-12-13 18:48:44,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0097bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:48:44, skipping insertion in model container [2022-12-13 18:48:44,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:48:44" (3/3) ... [2022-12-13 18:48:44,268 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2022-12-13 18:48:44,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:48:44,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:48:44,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:48:44,335 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;@106a9fe6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:48:44,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:48:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:48:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:48:44,346 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:48:44,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:44,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:48:44,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash 84697761, now seen corresponding path program 1 times [2022-12-13 18:48:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:48:44,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482320201] [2022-12-13 18:48:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:44,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:48:44,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:48:44,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:48:44,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 18:48:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:44,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:48:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:44,512 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 18:48:44,514 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:48:44,515 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:48:44,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:48:44,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:44,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:48:44,722 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:48:44,726 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:48:44,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:48:44 BoogieIcfgContainer [2022-12-13 18:48:44,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:48:44,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:48:44,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:48:44,745 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:48:44,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:48:44" (3/4) ... [2022-12-13 18:48:44,746 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 18:48:44,781 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:48:44,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:48:44,783 INFO L158 Benchmark]: Toolchain (without parser) took 1834.56ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.3MB in the beginning and 37.6MB in the end (delta: 6.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-12-13 18:48:44,783 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:44,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 939.22ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.3MB in the beginning and 47.3MB in the end (delta: -3.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-12-13 18:48:44,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 44.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:48:44,785 INFO L158 Benchmark]: Boogie Preprocessor took 20.73ms. Allocated memory is still 90.2MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:48:44,785 INFO L158 Benchmark]: RCFGBuilder took 312.82ms. Allocated memory is still 90.2MB. Free memory was 41.9MB in the beginning and 56.9MB in the end (delta: -15.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-12-13 18:48:44,786 INFO L158 Benchmark]: TraceAbstraction took 481.70ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 39.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:48:44,786 INFO L158 Benchmark]: Witness Printer took 37.30ms. Allocated memory is still 90.2MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:48:44,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 939.22ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.3MB in the beginning and 47.3MB in the end (delta: -3.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 44.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.73ms. Allocated memory is still 90.2MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.82ms. Allocated memory is still 90.2MB. Free memory was 41.9MB in the beginning and 56.9MB in the end (delta: -15.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 481.70ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 39.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 37.30ms. Allocated memory is still 90.2MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). 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: 1573]: 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=32768, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 VAL [\old(data)=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [\old(data)=-1073741825, data=-1073741825, 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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=24occurred 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, 12 NumberOfCodeBlocks, 12 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 18:48:44,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b4eef0-3f95-42b5-bf2e-795c054a3bd8/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)