./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_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_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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_44f6c05e-b922-4635-b68d-fe50f363d947/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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- 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 12:03:52,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:03:52,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:03:52,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:03:52,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:03:52,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:03:52,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:03:52,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:03:52,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:03:52,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:03:52,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:03:52,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:03:52,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:03:52,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:03:52,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:03:52,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:03:52,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:03:52,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:03:52,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:03:52,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:03:52,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:03:52,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:03:52,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:03:52,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:03:52,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:03:52,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:03:52,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:03:52,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:03:52,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:03:52,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:03:52,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:03:52,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:03:52,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:03:52,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:03:52,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:03:52,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:03:52,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:03:52,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:03:52,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:03:52,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:03:52,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:03:52,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 12:03:52,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:03:52,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:03:52,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:03:52,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:03:52,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:03:52,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:03:52,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:03:52,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:03:52,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:03:52,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:03:52,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:03:52,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:03:52,295 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:03:52,295 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_44f6c05e-b922-4635-b68d-fe50f363d947/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2022-12-13 12:03:52,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:03:52,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:03:52,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:03:52,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:03:52,501 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:03:52,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2022-12-13 12:03:55,149 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:03:55,467 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:03:55,467 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2022-12-13 12:03:55,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data/be3fe19a8/3018c236491e4d869eb87e4c5786351d/FLAG0cb5cb053 [2022-12-13 12:03:55,497 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data/be3fe19a8/3018c236491e4d869eb87e4c5786351d [2022-12-13 12:03:55,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:03:55,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:03:55,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:03:55,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:03:55,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:03:55,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:03:55" (1/1) ... [2022-12-13 12:03:55,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7938a73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:55, skipping insertion in model container [2022-12-13 12:03:55,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:03:55" (1/1) ... [2022-12-13 12:03:55,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:03:55,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:03:55,804 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:03:56,109 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:03:56,115 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:03:56,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:03:56,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:03:56,120 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:03:56,149 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:03:56,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:03:56,160 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:03:56,179 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:03:56,219 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:03:56,221 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:03:56,222 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:03:56,223 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:03:56,224 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:03:56,229 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:03:56,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:03:56,352 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:03:56,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56 WrapperNode [2022-12-13 12:03:56,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:03:56,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:03:56,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:03:56,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:03:56,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,408 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2022-12-13 12:03:56,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:03:56,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:03:56,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:03:56,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:03:56,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:03:56,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:03:56,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:03:56,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:03:56,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (1/1) ... [2022-12-13 12:03:56,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:03:56,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:03:56,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:03:56,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:03:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:03:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:03:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:03:56,606 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:03:56,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:03:56,722 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:03:56,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:03:56,726 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:03:56,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:03:56 BoogieIcfgContainer [2022-12-13 12:03:56,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:03:56,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:03:56,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:03:56,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:03:56,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:03:55" (1/3) ... [2022-12-13 12:03:56,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61da8862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:03:56, skipping insertion in model container [2022-12-13 12:03:56,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:03:56" (2/3) ... [2022-12-13 12:03:56,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61da8862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:03:56, skipping insertion in model container [2022-12-13 12:03:56,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:03:56" (3/3) ... [2022-12-13 12:03:56,735 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2022-12-13 12:03:56,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:03:56,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 12:03:56,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:03:56,788 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;@557f1a22, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:03:56,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:03:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 12:03:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:03:56,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:03:56,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:03:56,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:03:56,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:03:56,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 12:03:56,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:03:56,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072007653] [2022-12-13 12:03:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:03:56,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:03:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:03:56,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:03:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:03:56,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:03:56,957 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:03:56,958 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 12:03:56,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 12:03:56,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:03:56,964 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:03:56,967 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:03:56,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:03:56 BoogieIcfgContainer [2022-12-13 12:03:56,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:03:56,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:03:56,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:03:56,986 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:03:56,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:03:56" (3/4) ... [2022-12-13 12:03:56,989 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:03:56,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:03:56,990 INFO L158 Benchmark]: Toolchain (without parser) took 1489.75ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 98.0MB in the beginning and 77.9MB in the end (delta: 20.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2022-12-13 12:03:56,991 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:03:56,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 851.39ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 97.6MB in the beginning and 116.7MB in the end (delta: -19.1MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2022-12-13 12:03:56,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.64ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 113.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:03:56,993 INFO L158 Benchmark]: Boogie Preprocessor took 25.70ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 112.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:03:56,993 INFO L158 Benchmark]: RCFGBuilder took 292.86ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 98.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 12:03:56,994 INFO L158 Benchmark]: TraceAbstraction took 254.71ms. Allocated memory is still 161.5MB. Free memory was 97.8MB in the beginning and 79.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:03:56,994 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 161.5MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:03:56,997 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 134.2MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 851.39ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 97.6MB in the beginning and 116.7MB in the end (delta: -19.1MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.64ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 113.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.70ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 112.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.86ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 98.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 254.71ms. Allocated memory is still 161.5MB. Free memory was 97.8MB in the beginning and 79.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 161.5MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1561, overapproximation of bitwiseAnd at line 1561. 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] [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1, rand()=4, rand()=32767, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] data-- VAL [\old(data)=-2147483648, 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] - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=23occurred 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 12:03:57,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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_44f6c05e-b922-4635-b68d-fe50f363d947/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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- 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 12:03:58,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:03:58,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:03:58,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:03:58,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:03:58,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:03:58,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:03:58,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:03:58,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:03:58,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:03:58,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:03:58,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:03:58,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:03:58,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:03:58,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:03:58,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:03:58,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:03:58,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:03:58,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:03:58,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:03:58,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:03:58,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:03:58,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:03:58,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:03:58,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:03:58,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:03:58,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:03:58,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:03:58,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:03:58,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:03:58,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:03:58,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:03:58,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:03:58,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:03:58,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:03:58,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:03:58,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:03:58,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:03:58,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:03:58,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:03:58,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:03:58,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 12:03:58,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:03:58,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:03:58,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:03:58,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:03:58,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:03:58,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:03:58,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:03:58,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:03:58,642 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:03:58,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:03:58,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:03:58,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 12:03:58,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:03:58,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:03:58,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:03:58,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:03:58,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:03:58,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:03:58,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:03:58,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:03:58,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:03:58,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:03:58,645 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 12:03:58,645 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 12:03:58,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:03:58,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:03:58,646 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:03:58,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:03:58,646 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 12:03:58,646 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:03:58,646 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_44f6c05e-b922-4635-b68d-fe50f363d947/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2022-12-13 12:03:58,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:03:58,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:03:58,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:03:58,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:03:58,866 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:03:58,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2022-12-13 12:04:01,373 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:04:01,643 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:04:01,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2022-12-13 12:04:01,655 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data/f2dcb8a4a/926f2b8b6f7e405792ff48594b3442a3/FLAG07a816ea0 [2022-12-13 12:04:01,666 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/data/f2dcb8a4a/926f2b8b6f7e405792ff48594b3442a3 [2022-12-13 12:04:01,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:04:01,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:04:01,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:04:01,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:04:01,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:04:01,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:04:01" (1/1) ... [2022-12-13 12:04:01,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295b9a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:01, skipping insertion in model container [2022-12-13 12:04:01,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:04:01" (1/1) ... [2022-12-13 12:04:01,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:04:01,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:04:01,942 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:04:02,240 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:04:02,244 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:04:02,245 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:04:02,246 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:04:02,247 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:04:02,268 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:04:02,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:04:02,279 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:04:02,294 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:04:02,327 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:04:02,328 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:04:02,329 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:04:02,330 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:04:02,331 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:04:02,335 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:04:02,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:04:02,429 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:04:02,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02 WrapperNode [2022-12-13 12:04:02,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:04:02,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:04:02,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:04:02,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:04:02,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,470 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2022-12-13 12:04:02,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:04:02,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:04:02,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:04:02,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:04:02,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:04:02,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:04:02,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:04:02,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:04:02,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (1/1) ... [2022-12-13 12:04:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:04:02,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:04:02,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:04:02,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:04:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:04:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:04:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 12:04:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:04:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:04:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:04:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:04:02,669 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:04:02,670 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:04:02,781 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:04:02,787 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:04:02,788 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:04:02,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:04:02 BoogieIcfgContainer [2022-12-13 12:04:02,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:04:02,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:04:02,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:04:02,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:04:02,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:04:01" (1/3) ... [2022-12-13 12:04:02,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21adea41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:04:02, skipping insertion in model container [2022-12-13 12:04:02,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:04:02" (2/3) ... [2022-12-13 12:04:02,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21adea41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:04:02, skipping insertion in model container [2022-12-13 12:04:02,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:04:02" (3/3) ... [2022-12-13 12:04:02,797 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2022-12-13 12:04:02,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:04:02,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 12:04:02,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:04:02,856 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;@47da60e7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:04:02,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:04:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 12:04:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:04:02,866 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:04:02,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:04:02,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:04:02,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:04:02,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 12:04:02,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:04:02,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784895424] [2022-12-13 12:04:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:04:02,883 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 12:04:02,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:04:02,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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 12:04:02,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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 12:04:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:04:02,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:04:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:04:03,034 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 12:04:03,035 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:04:03,036 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 12:04:03,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 12:04:03,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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 12:04:03,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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 12:04:03,242 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:04:03,248 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:04:03,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:04:03 BoogieIcfgContainer [2022-12-13 12:04:03,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:04:03,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:04:03,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:04:03,274 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:04:03,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:04:02" (3/4) ... [2022-12-13 12:04:03,276 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 12:04:03,333 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:04:03,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:04:03,335 INFO L158 Benchmark]: Toolchain (without parser) took 1665.58ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.6MB in the beginning and 58.6MB in the end (delta: -11.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-12-13 12:04:03,335 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:04:03,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.00ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.4MB in the beginning and 52.7MB in the end (delta: -5.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-12-13 12:04:03,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.89ms. Allocated memory is still 88.1MB. Free memory was 52.7MB in the beginning and 49.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:04:03,337 INFO L158 Benchmark]: Boogie Preprocessor took 22.21ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 47.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:04:03,337 INFO L158 Benchmark]: RCFGBuilder took 296.47ms. Allocated memory is still 88.1MB. Free memory was 47.6MB in the beginning and 55.7MB in the end (delta: -8.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-12-13 12:04:03,337 INFO L158 Benchmark]: TraceAbstraction took 481.07ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 38.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 12:04:03,338 INFO L158 Benchmark]: Witness Printer took 60.11ms. Allocated memory is still 88.1MB. Free memory was 38.2MB in the beginning and 58.6MB in the end (delta: -20.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 12:04:03,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.00ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.4MB in the beginning and 52.7MB in the end (delta: -5.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.89ms. Allocated memory is still 88.1MB. Free memory was 52.7MB in the beginning and 49.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.21ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 47.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.47ms. Allocated memory is still 88.1MB. Free memory was 47.6MB in the beginning and 55.7MB in the end (delta: -8.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 481.07ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 38.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 60.11ms. Allocated memory is still 88.1MB. Free memory was 38.2MB in the beginning and 58.6MB in the end (delta: -20.4MB). Peak memory consumption was 6.3MB. 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: 1551]: 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1073741823, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] data-- VAL [\old(data)=-2147483648, 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] - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=23occurred 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 12:04:03,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f6c05e-b922-4635-b68d-fe50f363d947/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)