./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_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_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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_422ebc5d-dc70-40aa-8098-a67a7f435780/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 ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 --- 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 15:51:56,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:51:56,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:51:56,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:51:56,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:51:56,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:51:56,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:51:56,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:51:56,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:51:56,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:51:56,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:51:56,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:51:56,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:51:56,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:51:56,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:51:56,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:51:56,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:51:56,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:51:56,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:51:56,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:51:56,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:51:56,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:51:56,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:51:56,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:51:56,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:51:56,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:51:56,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:51:56,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:51:56,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:51:56,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:51:56,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:51:56,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:51:56,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:51:56,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:51:56,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:51:56,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:51:56,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:51:56,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:51:56,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:51:56,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:51:56,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:51:56,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:51:56,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:51:56,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:51:56,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:51:56,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:51:56,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:51:56,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:51:56,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:51:56,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:51:56,495 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:51:56,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:51:56,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:51:56,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:51:56,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:51:56,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:51:56,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:51:56,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:51:56,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:51:56,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:51:56,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:51:56,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:51:56,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:51:56,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:51:56,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:51:56,498 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:51:56,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:51:56,498 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:51:56,498 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_422ebc5d-dc70-40aa-8098-a67a7f435780/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 [2022-12-13 15:51:56,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:51:56,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:51:56,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:51:56,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:51:56,692 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:51:56,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2022-12-13 15:51:59,277 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:51:59,546 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:51:59,547 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2022-12-13 15:51:59,565 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data/5b4bdd28c/cf37c45b766341f591c10ce913aa28f5/FLAG127a8a888 [2022-12-13 15:51:59,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data/5b4bdd28c/cf37c45b766341f591c10ce913aa28f5 [2022-12-13 15:51:59,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:51:59,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:51:59,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:51:59,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:51:59,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:51:59,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:51:59" (1/1) ... [2022-12-13 15:51:59,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4472242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:51:59, skipping insertion in model container [2022-12-13 15:51:59,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:51:59" (1/1) ... [2022-12-13 15:51:59,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:51:59,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:51:59,928 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:52:00,241 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:52:00,245 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:00,247 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:00,249 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:00,249 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:00,268 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:52:00,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:52:00,276 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:52:00,290 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:52:00,321 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:52:00,322 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:00,323 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:00,324 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:00,325 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:00,329 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:52:00,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:52:00,408 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:52:00,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00 WrapperNode [2022-12-13 15:52:00,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:52:00,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:52:00,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:52:00,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:52:00,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,459 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-13 15:52:00,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:52:00,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:52:00,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:52:00,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:52:00,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,480 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:52:00,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:52:00,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:52:00,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:52:00,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (1/1) ... [2022-12-13 15:52:00,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:52:00,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:52:00,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:52:00,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:52:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:52:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:52:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:52:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:52:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:52:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:52:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:52:00,662 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:52:00,663 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:52:00,765 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:52:00,770 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:52:00,770 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:52:00,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:52:00 BoogieIcfgContainer [2022-12-13 15:52:00,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:52:00,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:52:00,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:52:00,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:52:00,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:51:59" (1/3) ... [2022-12-13 15:52:00,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f03a192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:52:00, skipping insertion in model container [2022-12-13 15:52:00,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:00" (2/3) ... [2022-12-13 15:52:00,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f03a192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:52:00, skipping insertion in model container [2022-12-13 15:52:00,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:52:00" (3/3) ... [2022-12-13 15:52:00,777 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2022-12-13 15:52:00,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:52:00,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:52:00,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:52:00,827 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;@a187bde, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:52:00,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:52:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 15:52:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 15:52:00,836 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:52:00,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:52:00,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:52:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:52:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash -762720045, now seen corresponding path program 1 times [2022-12-13 15:52:00,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:52:00,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822993901] [2022-12-13 15:52:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:52:00,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:52:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:52:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:52:01,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:52:01,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822993901] [2022-12-13 15:52:01,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822993901] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:52:01,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:52:01,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:52:01,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208325810] [2022-12-13 15:52:01,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:52:01,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:52:01,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:52:01,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:52:01,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:52:01,092 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:52:01,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:52:01,117 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-12-13 15:52:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:52:01,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 15:52:01,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:52:01,126 INFO L225 Difference]: With dead ends: 29 [2022-12-13 15:52:01,127 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 15:52:01,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:52:01,132 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:52:01,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 43 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:52:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 15:52:01,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 15:52:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:52:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 15:52:01,157 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-12-13 15:52:01,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:52:01,157 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 15:52:01,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:52:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 15:52:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 15:52:01,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:52:01,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:52:01,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:52:01,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:52:01,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:52:01,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2125482440, now seen corresponding path program 1 times [2022-12-13 15:52:01,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:52:01,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892200048] [2022-12-13 15:52:01,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:52:01,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:52:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:52:01,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:52:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:52:01,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:52:01,255 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:52:01,257 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 15:52:01,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 15:52:01,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:52:01,263 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 15:52:01,267 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:52:01,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:52:01 BoogieIcfgContainer [2022-12-13 15:52:01,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:52:01,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:52:01,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:52:01,292 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:52:01,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:52:00" (3/4) ... [2022-12-13 15:52:01,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:52:01,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:52:01,297 INFO L158 Benchmark]: Toolchain (without parser) took 1714.19ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 96.9MB in the end (delta: 10.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-12-13 15:52:01,297 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:52:01,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.91ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 91.9MB in the end (delta: 15.3MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-12-13 15:52:01,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 153.1MB. Free memory was 91.9MB in the beginning and 89.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:52:01,299 INFO L158 Benchmark]: Boogie Preprocessor took 23.89ms. Allocated memory is still 153.1MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:52:01,299 INFO L158 Benchmark]: RCFGBuilder took 286.98ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 74.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:52:01,299 INFO L158 Benchmark]: TraceAbstraction took 518.33ms. Allocated memory is still 153.1MB. Free memory was 73.8MB in the beginning and 96.9MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:52:01,300 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 153.1MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:52:01,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.91ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 91.9MB in the end (delta: 15.3MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.32ms. Allocated memory is still 153.1MB. Free memory was 91.9MB in the beginning and 89.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.89ms. Allocated memory is still 153.1MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.98ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 74.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 518.33ms. Allocated memory is still 153.1MB. Free memory was 73.8MB in the beginning and 96.9MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 153.1MB. Free memory is still 96.9MB. 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] data = 0 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [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()=4, rand()=2, rand()=32768, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data * 2 VAL [data=1073741824, 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 15:52:01,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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_422ebc5d-dc70-40aa-8098-a67a7f435780/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 ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 --- 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 15:52:02,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:52:02,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:52:02,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:52:02,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:52:02,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:52:02,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:52:02,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:52:02,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:52:02,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:52:02,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:52:02,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:52:02,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:52:02,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:52:02,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:52:02,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:52:02,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:52:02,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:52:02,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:52:02,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:52:02,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:52:02,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:52:02,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:52:02,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:52:02,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:52:02,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:52:02,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:52:02,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:52:02,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:52:02,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:52:02,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:52:02,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:52:02,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:52:02,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:52:02,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:52:02,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:52:02,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:52:02,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:52:02,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:52:02,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:52:02,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:52:02,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 15:52:02,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:52:02,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:52:02,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:52:02,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:52:02,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:52:02,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:52:02,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:52:02,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:52:02,902 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:52:02,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:52:02,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:52:02,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:52:02,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:52:02,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:52:02,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:52:02,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:52:02,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:52:02,904 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:52:02,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:52:02,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:52:02,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:52:02,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:52:02,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:52:02,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:52:02,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:52:02,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:52:02,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:52:02,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:52:02,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:52:02,906 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:52:02,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:52:02,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:52:02,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:52:02,906 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:52:02,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:52:02,907 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:52:02,907 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:52:02,907 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_422ebc5d-dc70-40aa-8098-a67a7f435780/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 [2022-12-13 15:52:03,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:52:03,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:52:03,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:52:03,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:52:03,138 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:52:03,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2022-12-13 15:52:05,715 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:52:05,954 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:52:05,954 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2022-12-13 15:52:05,982 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data/741b7a5b8/9d7119fcd07a445ebf5f378f00c7a81e/FLAGdc1c9623d [2022-12-13 15:52:06,262 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/data/741b7a5b8/9d7119fcd07a445ebf5f378f00c7a81e [2022-12-13 15:52:06,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:52:06,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:52:06,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:52:06,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:52:06,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:52:06,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:52:06" (1/1) ... [2022-12-13 15:52:06,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ce59de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:06, skipping insertion in model container [2022-12-13 15:52:06,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:52:06" (1/1) ... [2022-12-13 15:52:06,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:52:06,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:52:06,543 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:52:06,816 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:52:06,820 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:06,821 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:06,823 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:06,823 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:06,840 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:52:06,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:52:06,851 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:52:06,864 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:52:06,897 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:52:06,899 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:06,899 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:52:06,901 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:06,901 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:52:06,905 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:52:06,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:52:07,038 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:52:07,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07 WrapperNode [2022-12-13 15:52:07,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:52:07,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:52:07,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:52:07,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:52:07,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,084 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-13 15:52:07,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:52:07,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:52:07,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:52:07,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:52:07,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:52:07,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:52:07,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:52:07,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:52:07,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (1/1) ... [2022-12-13 15:52:07,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:52:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:52:07,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:52:07,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:52:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:52:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:52:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:52:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:52:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:52:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:52:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:52:07,273 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:52:07,275 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:52:07,377 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:52:07,383 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:52:07,383 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:52:07,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:52:07 BoogieIcfgContainer [2022-12-13 15:52:07,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:52:07,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:52:07,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:52:07,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:52:07,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:52:06" (1/3) ... [2022-12-13 15:52:07,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d3d043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:52:07, skipping insertion in model container [2022-12-13 15:52:07,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:52:07" (2/3) ... [2022-12-13 15:52:07,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d3d043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:52:07, skipping insertion in model container [2022-12-13 15:52:07,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:52:07" (3/3) ... [2022-12-13 15:52:07,393 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2022-12-13 15:52:07,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:52:07,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:52:07,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:52:07,449 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;@1b5f2568, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:52:07,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:52:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 15:52:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 15:52:07,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:52:07,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:52:07,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:52:07,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:52:07,464 INFO L85 PathProgramCache]: Analyzing trace with hash -762720045, now seen corresponding path program 1 times [2022-12-13 15:52:07,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:52:07,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100162645] [2022-12-13 15:52:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:52:07,477 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 15:52:07,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:52:07,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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 15:52:07,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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 15:52:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:52:07,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:52:07,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:52:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:52:07,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:52:07,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:52:07,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100162645] [2022-12-13 15:52:07,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100162645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:52:07,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:52:07,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:52:07,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818682541] [2022-12-13 15:52:07,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:52:07,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:52:07,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:52:07,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:52:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:52:07,633 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:52:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:52:07,680 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-12-13 15:52:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:52:07,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 15:52:07,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:52:07,688 INFO L225 Difference]: With dead ends: 29 [2022-12-13 15:52:07,688 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 15:52:07,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:52:07,693 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:52:07,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 46 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:52:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 15:52:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 15:52:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:52:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 15:52:07,715 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-12-13 15:52:07,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:52:07,715 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 15:52:07,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:52:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 15:52:07,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 15:52:07,716 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:52:07,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:52:07,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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 15:52:07,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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 15:52:07,918 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:52:07,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:52:07,920 INFO L85 PathProgramCache]: Analyzing trace with hash 2125482440, now seen corresponding path program 1 times [2022-12-13 15:52:07,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:52:07,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450859671] [2022-12-13 15:52:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:52:07,924 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 15:52:07,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:52:07,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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 15:52:07,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 15:52:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:52:08,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:52:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:52:08,171 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 15:52:08,171 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:52:08,172 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 15:52:08,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 15:52:08,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 15:52:08,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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 15:52:08,384 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 15:52:08,395 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:52:08,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:52:08 BoogieIcfgContainer [2022-12-13 15:52:08,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:52:08,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:52:08,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:52:08,431 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:52:08,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:52:07" (3/4) ... [2022-12-13 15:52:08,433 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 15:52:08,459 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:52:08,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:52:08,460 INFO L158 Benchmark]: Toolchain (without parser) took 2194.69ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 31.7MB in the end (delta: 17.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-12-13 15:52:08,460 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:52:08,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.94ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 41.7MB in the end (delta: 7.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-12-13 15:52:08,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.67ms. Allocated memory is still 75.5MB. Free memory was 41.7MB in the beginning and 38.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:52:08,461 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 75.5MB. Free memory was 38.5MB in the beginning and 36.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:52:08,461 INFO L158 Benchmark]: RCFGBuilder took 273.14ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 42.9MB in the end (delta: -6.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-12-13 15:52:08,461 INFO L158 Benchmark]: TraceAbstraction took 1043.63ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 34.3MB in the end (delta: 8.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-13 15:52:08,462 INFO L158 Benchmark]: Witness Printer took 28.50ms. Allocated memory is still 75.5MB. Free memory was 34.3MB in the beginning and 31.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:52:08,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.94ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 41.7MB in the end (delta: 7.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.67ms. Allocated memory is still 75.5MB. Free memory was 41.7MB in the beginning and 38.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 75.5MB. Free memory was 38.5MB in the beginning and 36.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.14ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 42.9MB in the end (delta: -6.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1043.63ms. Allocated memory is still 75.5MB. Free memory was 42.4MB in the beginning and 34.3MB in the end (delta: 8.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 28.50ms. Allocated memory is still 75.5MB. Free memory was 34.3MB in the beginning and 31.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1559]: 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] data = 0 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [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()=1, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data * 2 VAL [data=1073741824, 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: 1559]: 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: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:52:08,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422ebc5d-dc70-40aa-8098-a67a7f435780/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)