./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/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_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/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_980a37c5-e143-4efc-91c2-895b012aa6c5/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 d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb --- 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 19:36:22,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:36:22,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:36:22,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:36:22,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:36:22,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:36:22,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:36:22,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:36:22,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:36:22,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:36:22,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:36:22,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:36:22,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:36:22,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:36:22,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:36:22,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:36:22,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:36:22,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:36:22,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:36:22,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:36:22,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:36:22,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:36:22,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:36:22,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:36:22,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:36:22,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:36:22,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:36:22,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:36:22,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:36:22,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:36:22,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:36:22,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:36:22,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:36:22,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:36:22,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:36:22,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:36:22,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:36:22,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:36:22,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:36:22,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:36:22,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:36:22,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 19:36:22,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:36:22,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:36:22,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:36:22,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:36:22,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:36:22,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:36:22,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:36:22,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:36:22,326 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:36:22,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:36:22,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:36:22,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:36:22,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:36:22,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:36:22,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:36:22,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:36:22,328 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:36:22,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:36:22,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:36:22,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:36:22,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:36:22,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:36:22,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:36:22,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:36:22,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:36:22,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:36:22,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:36:22,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:36:22,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:36:22,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:36:22,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:36:22,330 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:36:22,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:36:22,330 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:36:22,330 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_980a37c5-e143-4efc-91c2-895b012aa6c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb [2022-12-13 19:36:22,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:36:22,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:36:22,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:36:22,542 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:36:22,542 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:36:22,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-12-13 19:36:25,095 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:36:25,335 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:36:25,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-12-13 19:36:25,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data/7f14f2dc2/b93c306d35f14d0b83835be51181d903/FLAG3cb8605a9 [2022-12-13 19:36:25,663 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data/7f14f2dc2/b93c306d35f14d0b83835be51181d903 [2022-12-13 19:36:25,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:36:25,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:36:25,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:36:25,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:36:25,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:36:25,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:36:25" (1/1) ... [2022-12-13 19:36:25,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c2922b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:25, skipping insertion in model container [2022-12-13 19:36:25,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:36:25" (1/1) ... [2022-12-13 19:36:25,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:36:25,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:36:26,026 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:36:26,533 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:36:26,538 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:26,540 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:26,542 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:26,543 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:26,890 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:36:26,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:36:26,900 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:36:26,913 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:36:26,942 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:36:26,943 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:26,944 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:26,945 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:26,946 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:26,955 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:36:26,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:36:27,265 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:36:27,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27 WrapperNode [2022-12-13 19:36:27,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:36:27,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:36:27,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:36:27,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:36:27,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,305 INFO L138 Inliner]: procedures = 938, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-13 19:36:27,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:36:27,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:36:27,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:36:27,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:36:27,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:36:27,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:36:27,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:36:27,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:36:27,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (1/1) ... [2022-12-13 19:36:27,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:36:27,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:36:27,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:36:27,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:36:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:36:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:36:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:36:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:36:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:36:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:36:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:36:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:36:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:36:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:36:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:36:27,486 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:36:27,488 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:36:27,605 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:36:27,610 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:36:27,611 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:36:27,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:36:27 BoogieIcfgContainer [2022-12-13 19:36:27,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:36:27,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:36:27,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:36:27,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:36:27,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:36:25" (1/3) ... [2022-12-13 19:36:27,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2335ce3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:36:27, skipping insertion in model container [2022-12-13 19:36:27,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:27" (2/3) ... [2022-12-13 19:36:27,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2335ce3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:36:27, skipping insertion in model container [2022-12-13 19:36:27,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:36:27" (3/3) ... [2022-12-13 19:36:27,621 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-12-13 19:36:27,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:36:27,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:36:27,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:36:27,678 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;@1e90e9a7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:36:27,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:36:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 19:36:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:36:27,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:36:27,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:36:27,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:36:27,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:36:27,695 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 19:36:27,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:36:27,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483297936] [2022-12-13 19:36:27,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:36:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:36:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:36:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:36:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:36:27,910 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 19:36:27,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:36:27,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483297936] [2022-12-13 19:36:27,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483297936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:36:27,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:36:27,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 19:36:27,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884509440] [2022-12-13 19:36:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:36:27,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:36:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:36:27,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:36:27,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:36:27,940 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 19:36:27,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:36:27,958 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 19:36:27,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:36:27,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-12-13 19:36:27,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:36:27,965 INFO L225 Difference]: With dead ends: 22 [2022-12-13 19:36:27,965 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 19:36:27,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:36:27,970 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:36:27,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:36:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 19:36:28,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 19:36:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 19:36:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 19:36:28,002 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 19:36:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:36:28,003 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 19:36:28,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 19:36:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 19:36:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:36:28,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:36:28,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:36:28,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:36:28,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:36:28,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:36:28,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 19:36:28,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:36:28,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414369658] [2022-12-13 19:36:28,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:36:28,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:36:28,037 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 19:36:28,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [570297773] [2022-12-13 19:36:28,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:36:28,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:36:28,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:36:28,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:36:28,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:36:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:36:28,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:36:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:36:28,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:36:28,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:36:28,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 19:36:28,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 19:36:28,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:36:28,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:36:28,408 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 19:36:28,417 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:36:28,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:36:28 BoogieIcfgContainer [2022-12-13 19:36:28,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:36:28,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:36:28,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:36:28,494 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:36:28,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:36:27" (3/4) ... [2022-12-13 19:36:28,506 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:36:28,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:36:28,509 INFO L158 Benchmark]: Toolchain (without parser) took 2840.63ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.6MB in the beginning and 103.4MB in the end (delta: -13.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-12-13 19:36:28,510 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:36:28,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1597.42ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.6MB in the beginning and 85.4MB in the end (delta: 4.2MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-12-13 19:36:28,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.94ms. Allocated memory is still 161.5MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:36:28,513 INFO L158 Benchmark]: Boogie Preprocessor took 18.97ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:36:28,514 INFO L158 Benchmark]: RCFGBuilder took 287.12ms. Allocated memory is still 161.5MB. Free memory was 79.1MB in the beginning and 64.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:36:28,515 INFO L158 Benchmark]: TraceAbstraction took 875.52ms. Allocated memory is still 161.5MB. Free memory was 63.4MB in the beginning and 104.4MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:36:28,516 INFO L158 Benchmark]: Witness Printer took 14.18ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:36:28,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1597.42ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.6MB in the beginning and 85.4MB in the end (delta: 4.2MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.94ms. Allocated memory is still 161.5MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.97ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.12ms. Allocated memory is still 161.5MB. Free memory was 79.1MB in the beginning and 64.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 875.52ms. Allocated memory is still 161.5MB. Free memory was 63.4MB in the beginning and 104.4MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 14.18ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). 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: 1852]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1837, overapproximation of bitwiseAnd at line 1837. 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] [L1843] 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) [L1843] RET printLine("Calling bad()...") VAL [\old(argc)=48, argc=48, argv={50:49}, argv={50:49}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] CALL CWE190_Integer_Overflow__int_rand_square_63_bad() [L1835] int data; [L1836] data = 0 [L1837] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1837] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={4:0}, 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()=2147483647, rand()=0, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=515454091] [L1837] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1838] CALL CWE190_Integer_Overflow__int_rand_square_63b_badSink(&data) [L1850] EXPR \read(*dataPtr) [L1850] int data = *dataPtr; [L1852] data * data VAL [data=515454091, dataPtr={4:0}, dataPtr={4:0}, 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: 1852]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 19:36:28,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/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_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/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_980a37c5-e143-4efc-91c2-895b012aa6c5/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 d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb --- 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 19:36:30,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:36:30,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:36:30,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:36:30,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:36:30,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:36:30,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:36:30,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:36:30,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:36:30,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:36:30,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:36:30,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:36:30,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:36:30,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:36:30,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:36:30,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:36:30,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:36:30,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:36:30,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:36:30,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:36:30,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:36:30,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:36:30,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:36:30,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:36:30,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:36:30,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:36:30,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:36:30,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:36:30,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:36:30,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:36:30,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:36:30,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:36:30,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:36:30,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:36:30,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:36:30,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:36:30,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:36:30,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:36:30,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:36:30,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:36:30,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:36:30,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 19:36:30,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:36:30,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:36:30,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:36:30,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:36:30,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:36:30,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:36:30,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:36:30,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:36:30,181 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:36:30,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:36:30,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:36:30,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:36:30,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:36:30,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:36:30,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:36:30,183 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:36:30,183 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:36:30,183 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:36:30,183 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:36:30,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:36:30,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:36:30,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:36:30,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:36:30,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:36:30,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:36:30,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:36:30,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:36:30,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:36:30,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:36:30,186 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:36:30,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:36:30,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:36:30,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:36:30,191 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:36:30,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:36:30,191 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:36:30,191 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:36:30,191 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_980a37c5-e143-4efc-91c2-895b012aa6c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb [2022-12-13 19:36:30,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:36:30,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:36:30,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:36:30,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:36:30,415 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:36:30,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-12-13 19:36:32,996 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:36:33,219 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:36:33,219 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-12-13 19:36:33,235 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data/5adf8646d/6e0890127ec840c08dae9c5492a925b0/FLAG1a0d1da6f [2022-12-13 19:36:33,247 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/data/5adf8646d/6e0890127ec840c08dae9c5492a925b0 [2022-12-13 19:36:33,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:36:33,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:36:33,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:36:33,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:36:33,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:36:33,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:36:33" (1/1) ... [2022-12-13 19:36:33,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea6d366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:33, skipping insertion in model container [2022-12-13 19:36:33,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:36:33" (1/1) ... [2022-12-13 19:36:33,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:36:33,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:36:33,603 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:36:33,990 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:36:33,995 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:33,996 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:33,997 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:33,998 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:34,312 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:36:34,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:36:34,326 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:36:34,345 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:36:34,393 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:36:34,394 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:34,395 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:36:34,396 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:34,396 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:36:34,405 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:36:34,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:36:34,628 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:36:34,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34 WrapperNode [2022-12-13 19:36:34,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:36:34,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:36:34,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:36:34,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:36:34,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,671 INFO L138 Inliner]: procedures = 943, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-13 19:36:34,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:36:34,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:36:34,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:36:34,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:36:34,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,691 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:36:34,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:36:34,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:36:34,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:36:34,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (1/1) ... [2022-12-13 19:36:34,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:36:34,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:36:34,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:36:34,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:36:34,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:36:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:36:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 19:36:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 19:36:34,866 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:36:34,867 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:36:36,823 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:36:36,831 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:36:36,831 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:36:36,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:36:36 BoogieIcfgContainer [2022-12-13 19:36:36,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:36:36,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:36:36,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:36:36,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:36:36,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:36:33" (1/3) ... [2022-12-13 19:36:36,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513d93ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:36:36, skipping insertion in model container [2022-12-13 19:36:36,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:36:34" (2/3) ... [2022-12-13 19:36:36,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513d93ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:36:36, skipping insertion in model container [2022-12-13 19:36:36,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:36:36" (3/3) ... [2022-12-13 19:36:36,838 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-12-13 19:36:36,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:36:36,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:36:36,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:36:36,889 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;@333c0f22, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:36:36,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:36:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 19:36:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:36:36,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:36:36,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:36:36,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:36:36,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:36:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 19:36:36,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:36:36,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964900673] [2022-12-13 19:36:36,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:36:36,911 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 19:36:36,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:36:36,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/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 19:36:36,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980a37c5-e143-4efc-91c2-895b012aa6c5/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