./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_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_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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_9ca25efe-ce89-44ff-8614-b90c70557543/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 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 --- 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 16:09:26,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:09:26,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:09:26,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:09:26,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:09:26,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:09:26,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:09:26,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:09:26,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:09:26,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:09:26,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:09:26,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:09:26,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:09:26,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:09:26,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:09:26,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:09:26,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:09:26,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:09:26,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:09:26,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:09:26,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:09:26,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:09:26,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:09:26,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:09:26,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:09:26,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:09:26,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:09:26,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:09:26,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:09:26,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:09:26,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:09:26,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:09:26,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:09:26,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:09:26,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:09:26,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:09:26,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:09:26,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:09:26,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:09:26,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:09:26,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:09:26,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:09:26,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:09:26,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:09:26,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:09:26,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:09:26,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:09:26,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:09:26,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:09:26,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:09:26,390 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:09:26,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:09:26,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:09:26,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:09:26,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:09:26,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:09:26,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:09:26,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:09:26,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:09:26,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:09:26,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:09:26,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:09:26,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:09:26,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:09:26,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:09:26,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:09:26,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:09:26,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:09:26,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:09:26,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:09:26,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:09:26,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:09:26,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:09:26,393 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:09:26,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:09:26,394 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:09:26,394 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_9ca25efe-ce89-44ff-8614-b90c70557543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 [2022-12-13 16:09:26,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:09:26,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:09:26,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:09:26,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:09:26,619 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:09:26,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2022-12-13 16:09:29,243 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:09:29,447 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:09:29,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2022-12-13 16:09:29,461 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data/1e18851ec/2658ca6d1c784f9a82e07faa7d818f00/FLAG974899ac1 [2022-12-13 16:09:29,471 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data/1e18851ec/2658ca6d1c784f9a82e07faa7d818f00 [2022-12-13 16:09:29,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:09:29,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:09:29,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:09:29,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:09:29,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:09:29,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:09:29" (1/1) ... [2022-12-13 16:09:29,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c505399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:29, skipping insertion in model container [2022-12-13 16:09:29,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:09:29" (1/1) ... [2022-12-13 16:09:29,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:09:29,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:09:29,759 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:09:30,045 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:09:30,049 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:30,051 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:30,053 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:30,053 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:30,073 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:09:30,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:09:30,082 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:09:30,096 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:09:30,130 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:09:30,131 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:30,132 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:30,134 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:30,134 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:30,138 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:09:30,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:09:30,242 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:09:30,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30 WrapperNode [2022-12-13 16:09:30,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:09:30,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:09:30,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:09:30,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:09:30,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,293 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-12-13 16:09:30,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:09:30,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:09:30,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:09:30,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:09:30,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:09:30,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:09:30,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:09:30,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:09:30,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (1/1) ... [2022-12-13 16:09:30,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:09:30,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:09:30,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:09:30,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:09:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:09:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:09:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-13 16:09:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-13 16:09:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:09:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:09:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:09:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:09:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:09:30,486 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:09:30,488 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:09:30,612 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:09:30,616 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:09:30,616 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:09:30,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:09:30 BoogieIcfgContainer [2022-12-13 16:09:30,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:09:30,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:09:30,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:09:30,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:09:30,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:09:29" (1/3) ... [2022-12-13 16:09:30,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7934a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:09:30, skipping insertion in model container [2022-12-13 16:09:30,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:30" (2/3) ... [2022-12-13 16:09:30,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7934a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:09:30, skipping insertion in model container [2022-12-13 16:09:30,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:09:30" (3/3) ... [2022-12-13 16:09:30,624 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2022-12-13 16:09:30,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:09:30,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:09:30,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:09:30,676 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;@1f73204d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:09:30,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:09:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:09:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 16:09:30,685 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:09:30,686 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:09:30,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:09:30,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:09:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash -641348316, now seen corresponding path program 1 times [2022-12-13 16:09:30,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:09:30,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89198482] [2022-12-13 16:09:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:09:30,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:09:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:09:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:09:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:09:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:09:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:09:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 16:09:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:09:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:09:30,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:09:30,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89198482] [2022-12-13 16:09:30,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89198482] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:09:30,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737004061] [2022-12-13 16:09:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:09:30,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:09:30,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:09:30,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:09:30,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:09:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:09:31,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:09:31,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:09:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:09:31,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:09:31,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737004061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:09:31,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:09:31,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-13 16:09:31,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299343641] [2022-12-13 16:09:31,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:09:31,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:09:31,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:09:31,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:09:31,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:09:31,081 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:09:31,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:09:31,105 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2022-12-13 16:09:31,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:09:31,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-12-13 16:09:31,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:09:31,111 INFO L225 Difference]: With dead ends: 51 [2022-12-13 16:09:31,111 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 16:09:31,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:09:31,115 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:09:31,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:09:31,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 16:09:31,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 16:09:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 16:09:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-12-13 16:09:31,142 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 21 [2022-12-13 16:09:31,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:09:31,143 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-12-13 16:09:31,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:09:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-13 16:09:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 16:09:31,144 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:09:31,144 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:09:31,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:09:31,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 16:09:31,347 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:09:31,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:09:31,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2020647561, now seen corresponding path program 1 times [2022-12-13 16:09:31,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:09:31,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032740856] [2022-12-13 16:09:31,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:09:31,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:09:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:09:31,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:09:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:09:31,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:09:31,506 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:09:31,507 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:09:31,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:09:31,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:09:31,512 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:09:31,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:09:31,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:09:31 BoogieIcfgContainer [2022-12-13 16:09:31,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:09:31,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:09:31,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:09:31,535 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:09:31,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:09:30" (3/4) ... [2022-12-13 16:09:31,538 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:09:31,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:09:31,539 INFO L158 Benchmark]: Toolchain (without parser) took 2064.17ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 100.2MB in the beginning and 126.6MB in the end (delta: -26.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-12-13 16:09:31,539 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:09:31,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.69ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 99.7MB in the beginning and 128.7MB in the end (delta: -29.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2022-12-13 16:09:31,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.42ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 125.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:09:31,540 INFO L158 Benchmark]: Boogie Preprocessor took 18.62ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 124.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:09:31,540 INFO L158 Benchmark]: RCFGBuilder took 304.77ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 109.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:09:31,541 INFO L158 Benchmark]: TraceAbstraction took 914.90ms. Allocated memory is still 174.1MB. Free memory was 109.9MB in the beginning and 126.6MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:09:31,541 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 174.1MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:09:31,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.69ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 99.7MB in the beginning and 128.7MB in the end (delta: -29.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.42ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 125.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.62ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 124.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.77ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 109.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 914.90ms. Allocated memory is still 174.1MB. Free memory was 109.9MB in the beginning and 126.6MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 174.1MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_11_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=4, rand()=2, rand()=1, rand()=5, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 32 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.2s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 4/6 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 16:09:31,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 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_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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_9ca25efe-ce89-44ff-8614-b90c70557543/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 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 --- 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 16:09:33,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:09:33,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:09:33,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:09:33,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:09:33,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:09:33,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:09:33,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:09:33,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:09:33,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:09:33,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:09:33,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:09:33,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:09:33,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:09:33,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:09:33,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:09:33,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:09:33,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:09:33,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:09:33,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:09:33,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:09:33,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:09:33,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:09:33,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:09:33,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:09:33,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:09:33,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:09:33,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:09:33,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:09:33,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:09:33,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:09:33,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:09:33,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:09:33,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:09:33,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:09:33,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:09:33,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:09:33,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:09:33,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:09:33,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:09:33,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:09:33,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:09:33,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:09:33,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:09:33,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:09:33,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:09:33,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:09:33,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:09:33,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:09:33,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:09:33,148 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:09:33,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:09:33,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:09:33,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:09:33,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:09:33,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:09:33,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:09:33,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:09:33,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:09:33,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:09:33,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:09:33,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:09:33,151 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:09:33,152 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_9ca25efe-ce89-44ff-8614-b90c70557543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 [2022-12-13 16:09:33,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:09:33,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:09:33,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:09:33,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:09:33,368 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:09:33,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2022-12-13 16:09:35,947 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:09:36,239 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:09:36,240 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2022-12-13 16:09:36,259 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data/a82d80fef/3987c97580c64f3f92c902c10a3cd5e7/FLAG15301594c [2022-12-13 16:09:36,273 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/data/a82d80fef/3987c97580c64f3f92c902c10a3cd5e7 [2022-12-13 16:09:36,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:09:36,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:09:36,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:09:36,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:09:36,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:09:36,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:09:36" (1/1) ... [2022-12-13 16:09:36,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df46540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:36, skipping insertion in model container [2022-12-13 16:09:36,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:09:36" (1/1) ... [2022-12-13 16:09:36,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:09:36,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:09:36,606 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:09:36,929 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:09:36,933 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:36,934 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:36,936 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:36,936 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:36,953 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:09:36,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:09:36,964 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:09:36,977 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:09:37,009 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:09:37,010 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:37,011 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:09:37,012 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:37,013 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:09:37,017 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:09:37,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:09:37,110 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:09:37,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37 WrapperNode [2022-12-13 16:09:37,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:09:37,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:09:37,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:09:37,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:09:37,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,161 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-13 16:09:37,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:09:37,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:09:37,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:09:37,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:09:37,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:09:37,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:09:37,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:09:37,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:09:37,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (1/1) ... [2022-12-13 16:09:37,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:09:37,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:09:37,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:09:37,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:09:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:09:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:09:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-13 16:09:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-13 16:09:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:09:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:09:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:09:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:09:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:09:37,376 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:09:37,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:09:37,492 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:09:37,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:09:37,501 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:09:37,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:09:37 BoogieIcfgContainer [2022-12-13 16:09:37,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:09:37,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:09:37,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:09:37,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:09:37,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:09:36" (1/3) ... [2022-12-13 16:09:37,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec3e78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:09:37, skipping insertion in model container [2022-12-13 16:09:37,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:09:37" (2/3) ... [2022-12-13 16:09:37,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec3e78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:09:37, skipping insertion in model container [2022-12-13 16:09:37,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:09:37" (3/3) ... [2022-12-13 16:09:37,508 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2022-12-13 16:09:37,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:09:37,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:09:37,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:09:37,558 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;@60d78d1c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:09:37,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:09:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:09:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 16:09:37,567 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:09:37,567 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:09:37,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:09:37,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:09:37,572 INFO L85 PathProgramCache]: Analyzing trace with hash -894708504, now seen corresponding path program 1 times [2022-12-13 16:09:37,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:09:37,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622090781] [2022-12-13 16:09:37,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:09:37,581 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 16:09:37,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:09:37,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:09:37,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:09:37,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:09:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:09:37,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:09:37,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:09:37,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622090781] [2022-12-13 16:09:37,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1622090781] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:09:37,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:09:37,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:09:37,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783104709] [2022-12-13 16:09:37,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:09:37,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:09:37,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:09:37,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:09:37,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:09:37,770 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:09:37,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:09:37,794 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2022-12-13 16:09:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:09:37,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2022-12-13 16:09:37,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:09:37,801 INFO L225 Difference]: With dead ends: 47 [2022-12-13 16:09:37,801 INFO L226 Difference]: Without dead ends: 19 [2022-12-13 16:09:37,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:09:37,806 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:09:37,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:09:37,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-13 16:09:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 16:09:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 16:09:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-12-13 16:09:37,843 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 19 [2022-12-13 16:09:37,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:09:37,844 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-12-13 16:09:37,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:09:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-12-13 16:09:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 16:09:37,846 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:09:37,846 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:09:37,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:38,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:38,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:09:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:09:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2082070403, now seen corresponding path program 1 times [2022-12-13 16:09:38,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:09:38,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381188389] [2022-12-13 16:09:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:09:38,049 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 16:09:38,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:09:38,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:38,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:09:38,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:09:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:09:38,192 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:09:38,192 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:09:38,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:09:38,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:09:38,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:38,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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 16:09:38,406 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:09:38,418 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:09:38,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:09:38 BoogieIcfgContainer [2022-12-13 16:09:38,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:09:38,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:09:38,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:09:38,488 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:09:38,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:09:37" (3/4) ... [2022-12-13 16:09:38,491 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:09:38,527 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:09:38,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:09:38,528 INFO L158 Benchmark]: Toolchain (without parser) took 2250.68ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 41.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-12-13 16:09:38,528 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:09:38,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 832.88ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 53.6MB in the end (delta: 5.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-13 16:09:38,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 50.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:09:38,529 INFO L158 Benchmark]: Boogie Preprocessor took 35.00ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:09:38,530 INFO L158 Benchmark]: RCFGBuilder took 305.07ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 56.5MB in the end (delta: -7.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 16:09:38,530 INFO L158 Benchmark]: TraceAbstraction took 982.57ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 44.8MB in the end (delta: 10.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-12-13 16:09:38,530 INFO L158 Benchmark]: Witness Printer took 39.98ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 41.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:09:38,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 832.88ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 53.6MB in the end (delta: 5.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 50.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.00ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.07ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 56.5MB in the end (delta: -7.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 982.57ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 44.8MB in the end (delta: 10.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 39.98ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 41.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_11_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=2, rand()=0, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 16:09:38,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25efe-ce89-44ff-8614-b90c70557543/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)