./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_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_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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_926098c3-9221-40c4-a560-c7537d4f3f73/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 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e --- 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 22:14:24,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:14:24,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:14:24,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:14:24,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:14:24,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:14:24,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:14:24,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:14:24,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:14:24,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:14:24,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:14:24,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:14:24,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:14:24,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:14:24,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:14:24,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:14:24,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:14:24,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:14:24,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:14:24,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:14:24,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:14:24,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:14:24,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:14:24,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:14:24,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:14:24,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:14:24,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:14:24,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:14:24,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:14:24,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:14:24,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:14:24,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:14:24,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:14:24,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:14:24,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:14:24,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:14:24,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:14:24,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:14:24,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:14:24,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:14:24,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:14:24,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 22:14:24,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:14:24,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:14:24,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:14:24,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:14:24,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:14:24,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:14:24,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:14:24,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:14:24,335 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:14:24,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:14:24,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:14:24,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:14:24,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:14:24,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:14:24,338 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:14:24,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:14:24,338 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:14:24,338 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_926098c3-9221-40c4-a560-c7537d4f3f73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e [2022-12-13 22:14:24,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:14:24,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:14:24,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:14:24,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:14:24,540 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:14:24,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-13 22:14:27,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:14:27,358 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:14:27,359 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-13 22:14:27,374 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data/2ea7990fa/e96cebf5af2c45e0ae3654b365e3871e/FLAG0de2cf2c2 [2022-12-13 22:14:27,677 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data/2ea7990fa/e96cebf5af2c45e0ae3654b365e3871e [2022-12-13 22:14:27,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:14:27,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:14:27,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:14:27,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:14:27,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:14:27,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:14:27" (1/1) ... [2022-12-13 22:14:27,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d78f84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:27, skipping insertion in model container [2022-12-13 22:14:27,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:14:27" (1/1) ... [2022-12-13 22:14:27,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:14:27,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:14:28,040 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:14:28,471 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:14:28,476 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:28,478 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:28,480 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:28,481 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:28,830 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:14:28,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:14:28,847 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:14:28,862 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:14:28,892 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:14:28,894 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:28,894 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:28,897 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:28,897 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:28,907 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:14:28,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:14:29,142 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:14:29,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29 WrapperNode [2022-12-13 22:14:29,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:14:29,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:14:29,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:14:29,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:14:29,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,185 INFO L138 Inliner]: procedures = 937, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-13 22:14:29,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:14:29,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:14:29,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:14:29,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:14:29,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,200 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:14:29,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:14:29,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:14:29,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:14:29,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (1/1) ... [2022-12-13 22:14:29,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:14:29,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:14:29,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:14:29,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:14:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:14:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:14:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:14:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:14:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:14:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:14:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:14:29,362 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:14:29,363 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:14:29,475 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:14:29,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:14:29,480 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:14:29,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:14:29 BoogieIcfgContainer [2022-12-13 22:14:29,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:14:29,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:14:29,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:14:29,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:14:29,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:14:27" (1/3) ... [2022-12-13 22:14:29,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61445f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:14:29, skipping insertion in model container [2022-12-13 22:14:29,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:29" (2/3) ... [2022-12-13 22:14:29,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61445f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:14:29, skipping insertion in model container [2022-12-13 22:14:29,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:14:29" (3/3) ... [2022-12-13 22:14:29,490 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-13 22:14:29,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:14:29,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:14:29,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:14:29,547 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;@77ca8107, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:14:29,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:14:29,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 22:14:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:14:29,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:29,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:29,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:14:29,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:29,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 22:14:29,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:29,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385655544] [2022-12-13 22:14:29,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:14:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:29,700 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 22:14:29,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:29,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385655544] [2022-12-13 22:14:29,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385655544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:29,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:29,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:14:29,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99756400] [2022-12-13 22:14:29,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:29,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:14:29,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:29,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:14:29,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:14:29,727 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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 22:14:29,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:29,739 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-13 22:14:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:14:29,740 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 22:14:29,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:29,744 INFO L225 Difference]: With dead ends: 23 [2022-12-13 22:14:29,744 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:14:29,746 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 22:14:29,748 INFO L413 NwaCegarLoop]: 26 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, 26 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 22:14:29,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:14:29,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:14:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:14:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 22:14:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 22:14:29,770 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-13 22:14:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:29,771 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 22:14:29,771 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 22:14:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 22:14:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 22:14:29,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:29,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:29,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:14:29,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:14:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:29,772 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-13 22:14:29,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:29,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675096014] [2022-12-13 22:14:29,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:29,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:29,787 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 22:14:29,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072113412] [2022-12-13 22:14:29,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:29,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:14:29,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:14:29,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:14:29,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:14:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:29,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:14:29,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:14:29,899 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 22:14:29,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:14:29,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:14:29,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675096014] [2022-12-13 22:14:29,900 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 22:14:29,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072113412] [2022-12-13 22:14:29,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072113412] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:29,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:29,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:14:29,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117545430] [2022-12-13 22:14:29,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:29,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:14:29,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:14:29,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:14:29,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:14:29,904 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 22:14:29,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:29,909 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 22:14:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:14:29,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2022-12-13 22:14:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:29,910 INFO L225 Difference]: With dead ends: 19 [2022-12-13 22:14:29,910 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:14:29,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 22:14:29,912 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:29,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:14:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:14:29,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:14:29,915 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 22:14:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 22:14:29,915 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-13 22:14:29,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:29,915 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 22:14:29,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 22:14:29,916 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 22:14:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 22:14:29,916 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:29,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:29,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:14:30,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:14:30,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:14:30,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:30,121 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 22:14:30,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:14:30,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883290784] [2022-12-13 22:14:30,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:30,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:14:30,209 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 22:14:30,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300303701] [2022-12-13 22:14:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:30,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:14:30,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:14:30,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:14:30,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 22:14:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:14:30,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:14:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:14:30,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:14:30,380 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:14:30,381 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:14:30,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:14:30,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 22:14:30,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:14:30,594 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:14:30,603 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:14:30,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:14:30 BoogieIcfgContainer [2022-12-13 22:14:30,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:14:30,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:14:30,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:14:30,671 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:14:30,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:14:29" (3/4) ... [2022-12-13 22:14:30,677 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:14:30,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:14:30,679 INFO L158 Benchmark]: Toolchain (without parser) took 2998.43ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 75.5MB in the beginning and 103.8MB in the end (delta: -28.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-12-13 22:14:30,679 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:14:30,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.76ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 75.2MB in the beginning and 111.6MB in the end (delta: -36.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-13 22:14:30,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 107.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:14:30,681 INFO L158 Benchmark]: Boogie Preprocessor took 17.24ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:14:30,682 INFO L158 Benchmark]: RCFGBuilder took 278.95ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 91.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:14:30,682 INFO L158 Benchmark]: TraceAbstraction took 1184.49ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 103.8MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:14:30,683 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 155.2MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:14:30,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.76ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 75.2MB in the beginning and 111.6MB in the end (delta: -36.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 107.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.24ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.95ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 91.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1184.49ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 103.8MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 155.2MB. Free memory is still 103.8MB. 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: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1838, overapproximation of bitwiseAnd at line 1838. 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] [L1851] 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) [L1851] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:14}, argv={13:14}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_10_bad() [L1834] int data; [L1835] 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] [L1836] COND TRUE \read(globalTrue) [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] 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()=0, rand()=131074, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=4295032832] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE \read(globalTrue) VAL [data=65536, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [data=65536, 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: 1843]: 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 75 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 22:14:30,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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_926098c3-9221-40c4-a560-c7537d4f3f73/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 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e --- 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 22:14:32,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:14:32,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:14:32,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:14:32,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:14:32,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:14:32,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:14:32,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:14:32,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:14:32,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:14:32,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:14:32,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:14:32,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:14:32,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:14:32,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:14:32,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:14:32,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:14:32,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:14:32,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:14:32,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:14:32,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:14:32,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:14:32,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:14:32,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:14:32,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:14:32,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:14:32,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:14:32,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:14:32,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:14:32,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:14:32,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:14:32,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:14:32,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:14:32,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:14:32,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:14:32,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:14:32,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:14:32,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:14:32,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:14:32,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:14:32,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:14:32,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 22:14:32,397 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:14:32,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:14:32,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:14:32,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:14:32,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:14:32,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:14:32,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:14:32,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:14:32,399 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:14:32,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 22:14:32,400 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:14:32,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 22:14:32,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:14:32,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:14:32,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:14:32,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:14:32,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:14:32,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:14:32,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:14:32,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:14:32,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:14:32,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:14:32,402 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 22:14:32,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 22:14:32,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:14:32,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:14:32,402 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:14:32,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:14:32,403 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 22:14:32,403 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:14:32,403 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_926098c3-9221-40c4-a560-c7537d4f3f73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e [2022-12-13 22:14:32,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:14:32,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:14:32,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:14:32,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:14:32,636 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:14:32,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-13 22:14:35,208 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:14:35,437 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:14:35,437 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-13 22:14:35,453 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data/b3813dd9f/1d69554540c2428a877971df7fbac6e9/FLAG964a1e230 [2022-12-13 22:14:35,464 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/data/b3813dd9f/1d69554540c2428a877971df7fbac6e9 [2022-12-13 22:14:35,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:14:35,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:14:35,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:14:35,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:14:35,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:14:35,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:14:35" (1/1) ... [2022-12-13 22:14:35,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efce0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:35, skipping insertion in model container [2022-12-13 22:14:35,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:14:35" (1/1) ... [2022-12-13 22:14:35,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:14:35,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:14:35,854 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:14:36,249 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:14:36,253 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:36,254 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:36,256 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:36,256 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:36,578 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:14:36,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:14:36,588 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:14:36,603 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:14:36,639 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:14:36,640 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:36,641 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:14:36,643 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:36,643 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:14:36,653 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:14:36,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:14:36,890 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:14:36,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36 WrapperNode [2022-12-13 22:14:36,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:14:36,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:14:36,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:14:36,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:14:36,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,962 INFO L138 Inliner]: procedures = 942, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-13 22:14:36,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:14:36,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:14:36,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:14:36,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:14:36,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,983 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:14:36,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:14:36,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:14:36,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:14:36,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (1/1) ... [2022-12-13 22:14:36,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:14:37,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:14:37,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:14:37,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:14:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:14:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:14:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:14:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:14:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:14:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:14:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 22:14:37,166 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:14:37,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:14:37,892 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:14:37,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:14:37,896 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:14:37,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:14:37 BoogieIcfgContainer [2022-12-13 22:14:37,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:14:37,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:14:37,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:14:37,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:14:37,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:14:35" (1/3) ... [2022-12-13 22:14:37,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f89f4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:14:37, skipping insertion in model container [2022-12-13 22:14:37,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:14:36" (2/3) ... [2022-12-13 22:14:37,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f89f4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:14:37, skipping insertion in model container [2022-12-13 22:14:37,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:14:37" (3/3) ... [2022-12-13 22:14:37,903 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-13 22:14:37,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:14:37,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:14:37,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:14:37,952 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;@175f82e4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:14:37,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:14:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 22:14:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:14:37,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:37,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:37,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:14:37,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:37,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 22:14:37,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:14:37,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958594719] [2022-12-13 22:14:37,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:37,973 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 22:14:37,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:14:37,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:37,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:14:38,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:14:38,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:14:38,150 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 22:14:38,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:14:38,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:14:38,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958594719] [2022-12-13 22:14:38,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958594719] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:14:38,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:14:38,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:14:38,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116620880] [2022-12-13 22:14:38,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:14:38,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:14:38,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:14:38,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:14:38,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:14:38,187 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.0) 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 22:14:38,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:14:38,208 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-12-13 22:14:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:14:38,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) 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 22:14:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:14:38,215 INFO L225 Difference]: With dead ends: 39 [2022-12-13 22:14:38,215 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 22:14:38,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 22:14:38,220 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:14:38,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:14:38,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 22:14:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 22:14:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 22:14:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-13 22:14:38,245 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-13 22:14:38,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:14:38,245 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-13 22:14:38,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) 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 22:14:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-13 22:14:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 22:14:38,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:14:38,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:14:38,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:38,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:38,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:14:38,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:14:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-13 22:14:38,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:14:38,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514738403] [2022-12-13 22:14:38,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:14:38,455 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 22:14:38,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:14:38,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:38,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:14:38,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:14:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:14:38,649 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 22:14:38,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:14:38,651 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:14:38,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:14:38,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:38,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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 22:14:38,861 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 22:14:38,864 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:14:38,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:14:38 BoogieIcfgContainer [2022-12-13 22:14:38,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:14:38,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:14:38,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:14:38,884 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:14:38,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:14:37" (3/4) ... [2022-12-13 22:14:38,886 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 22:14:38,912 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:14:38,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:14:38,913 INFO L158 Benchmark]: Toolchain (without parser) took 3445.50ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 47.0MB in the beginning and 42.8MB in the end (delta: 4.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2022-12-13 22:14:38,913 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:14:38,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.18ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 46.8MB in the beginning and 53.6MB in the end (delta: -6.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-12-13 22:14:38,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.56ms. Allocated memory is still 125.8MB. Free memory was 53.6MB in the beginning and 95.3MB in the end (delta: -41.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-12-13 22:14:38,914 INFO L158 Benchmark]: Boogie Preprocessor took 22.82ms. Allocated memory is still 125.8MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:14:38,914 INFO L158 Benchmark]: RCFGBuilder took 911.63ms. Allocated memory is still 125.8MB. Free memory was 93.2MB in the beginning and 78.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:14:38,915 INFO L158 Benchmark]: TraceAbstraction took 984.27ms. Allocated memory is still 125.8MB. Free memory was 78.5MB in the beginning and 44.9MB in the end (delta: 33.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 22:14:38,915 INFO L158 Benchmark]: Witness Printer took 28.33ms. Allocated memory is still 125.8MB. Free memory was 44.9MB in the beginning and 42.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:14:38,917 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 71.3MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.18ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 46.8MB in the beginning and 53.6MB in the end (delta: -6.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.56ms. Allocated memory is still 125.8MB. Free memory was 53.6MB in the beginning and 95.3MB in the end (delta: -41.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.82ms. Allocated memory is still 125.8MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 911.63ms. Allocated memory is still 125.8MB. Free memory was 93.2MB in the beginning and 78.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 984.27ms. Allocated memory is still 125.8MB. Free memory was 78.5MB in the beginning and 44.9MB in the end (delta: 33.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 28.33ms. Allocated memory is still 125.8MB. Free memory was 44.9MB in the beginning and 42.8MB in the end (delta: 2.1MB). 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 - CounterExampleResult [Line: 1843]: 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] [L1851] 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) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_10_bad() [L1834] int data; [L1835] 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] [L1836] COND TRUE \read(globalTrue) [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] 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()=2, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE \read(globalTrue) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 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 22:14:38,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926098c3-9221-40c4-a560-c7537d4f3f73/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)