./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_52_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_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 35a17c87f95761d3c336dba09927a1f50471ad0d9c4c0258f32a514befdaa04e --- 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 16:18:41,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:18:41,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:18:41,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:18:41,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:18:41,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:18:41,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:18:41,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:18:41,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:18:41,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:18:41,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:18:41,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:18:41,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:18:41,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:18:41,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:18:41,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:18:41,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:18:41,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:18:41,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:18:41,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:18:41,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:18:41,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:18:41,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:18:41,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:18:41,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:18:41,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:18:41,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:18:41,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:18:41,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:18:41,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:18:41,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:18:41,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:18:41,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:18:41,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:18:41,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:18:41,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:18:41,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:18:41,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:18:41,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:18:41,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:18:41,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:18:41,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:18:41,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:18:41,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:18:41,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:18:41,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:18:41,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:18:41,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:18:41,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:18:41,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:18:41,365 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:18:41,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:18:41,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:18:41,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:18:41,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:18:41,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:18:41,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:18:41,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:18:41,366 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:18:41,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:18:41,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:18:41,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:18:41,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:18:41,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:18:41,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:18:41,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:18:41,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:18:41,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:18:41,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:18:41,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:18:41,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:18:41,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:18:41,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:18:41,368 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:18:41,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:18:41,368 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:18:41,368 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_c1e854e4-9028-4b83-b749-1b6d99c80e68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35a17c87f95761d3c336dba09927a1f50471ad0d9c4c0258f32a514befdaa04e [2022-12-13 16:18:41,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:18:41,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:18:41,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:18:41,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:18:41,556 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:18:41,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_52_bad.i [2022-12-13 16:18:44,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:18:44,345 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:18:44,346 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_52_bad.i [2022-12-13 16:18:44,359 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data/ad475fc5c/914bb8b38c5e48c9ac55c11c21a362c4/FLAG4ce6a373a [2022-12-13 16:18:44,369 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data/ad475fc5c/914bb8b38c5e48c9ac55c11c21a362c4 [2022-12-13 16:18:44,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:18:44,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:18:44,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:18:44,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:18:44,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:18:44,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:18:44" (1/1) ... [2022-12-13 16:18:44,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22cc0fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:44, skipping insertion in model container [2022-12-13 16:18:44,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:18:44" (1/1) ... [2022-12-13 16:18:44,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:18:44,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:18:44,634 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:18:44,930 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:18:44,935 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:44,936 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:44,938 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:44,938 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:44,957 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:18:44,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:18:44,969 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:18:44,991 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:18:45,042 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:18:45,043 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:45,045 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:45,047 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:45,047 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:45,052 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:18:45,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:18:45,180 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:18:45,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45 WrapperNode [2022-12-13 16:18:45,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:18:45,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:18:45,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:18:45,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:18:45,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,216 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-12-13 16:18:45,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:18:45,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:18:45,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:18:45,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:18:45,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:18:45,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:18:45,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:18:45,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:18:45,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (1/1) ... [2022-12-13 16:18:45,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:18:45,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:18:45,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:18:45,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:18:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:18:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:18:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:18:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:18:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:18:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:18:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:18:45,388 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:18:45,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:18:45,506 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:18:45,511 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:18:45,511 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:18:45,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:45 BoogieIcfgContainer [2022-12-13 16:18:45,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:18:45,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:18:45,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:18:45,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:18:45,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:18:44" (1/3) ... [2022-12-13 16:18:45,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bdf46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:18:45, skipping insertion in model container [2022-12-13 16:18:45,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:45" (2/3) ... [2022-12-13 16:18:45,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bdf46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:18:45, skipping insertion in model container [2022-12-13 16:18:45,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:45" (3/3) ... [2022-12-13 16:18:45,519 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_52_bad.i [2022-12-13 16:18:45,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:18:45,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:18:45,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:18:45,571 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;@aee7408, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:18:45,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:18:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:18:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:18:45,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:18:45,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:18:45,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:18:45,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:18:45,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 16:18:45,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:18:45,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687871504] [2022-12-13 16:18:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:18:45,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:18:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:18:45,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:18:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:18:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:18:45,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:18:45,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687871504] [2022-12-13 16:18:45,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687871504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:18:45,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:18:45,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:18:45,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815222798] [2022-12-13 16:18:45,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:18:45,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:18:45,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:18:45,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:18:45,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:18:45,914 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:18:45,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:18:45,935 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-12-13 16:18:45,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:18:45,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 16:18:45,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:18:45,941 INFO L225 Difference]: With dead ends: 23 [2022-12-13 16:18:45,941 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:18:45,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:18:45,945 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:18:45,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 33 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:18:45,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:18:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:18:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:18:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:18:45,972 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:18:45,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:18:45,972 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:18:45,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:18:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:18:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:18:45,973 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:18:45,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:18:45,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:18:45,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:18:45,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:18:45,975 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-12-13 16:18:45,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:18:45,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014325392] [2022-12-13 16:18:45,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:18:45,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:18:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:18:45,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:18:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:18:46,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:18:46,030 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:18:46,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:18:46,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:18:46,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:18:46,036 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:18:46,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:18:46,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:18:46 BoogieIcfgContainer [2022-12-13 16:18:46,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:18:46,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:18:46,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:18:46,066 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:18:46,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:45" (3/4) ... [2022-12-13 16:18:46,069 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:18:46,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:18:46,070 INFO L158 Benchmark]: Toolchain (without parser) took 1698.23ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 134.1MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:18:46,070 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:18:46,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.22ms. Allocated memory is still 165.7MB. Free memory was 126.9MB in the beginning and 130.8MB in the end (delta: -3.9MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2022-12-13 16:18:46,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.73ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 127.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:18:46,072 INFO L158 Benchmark]: Boogie Preprocessor took 16.80ms. Allocated memory is still 165.7MB. Free memory was 127.4MB in the beginning and 126.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:18:46,073 INFO L158 Benchmark]: RCFGBuilder took 278.41ms. Allocated memory is still 165.7MB. Free memory was 126.2MB in the beginning and 112.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:18:46,073 INFO L158 Benchmark]: TraceAbstraction took 550.91ms. Allocated memory is still 165.7MB. Free memory was 111.9MB in the beginning and 134.1MB in the end (delta: -22.2MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-12-13 16:18:46,073 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 165.7MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:18:46,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.22ms. Allocated memory is still 165.7MB. Free memory was 126.9MB in the beginning and 130.8MB in the end (delta: -3.9MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.73ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 127.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.80ms. Allocated memory is still 165.7MB. Free memory was 127.4MB in the beginning and 126.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.41ms. Allocated memory is still 165.7MB. Free memory was 126.2MB in the beginning and 112.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 550.91ms. Allocated memory is still 165.7MB. Free memory was 111.9MB in the beginning and 134.1MB in the end (delta: -22.2MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 165.7MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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] [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_preinc_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_preinc_52b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_52c_badSink(data) [L1572] ++data VAL [\old(data)=2147483647, data=2147483647, 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 21 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 16:18:46,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 35a17c87f95761d3c336dba09927a1f50471ad0d9c4c0258f32a514befdaa04e --- 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 16:18:47,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:18:47,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:18:47,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:18:47,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:18:47,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:18:47,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:18:47,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:18:47,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:18:47,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:18:47,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:18:47,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:18:47,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:18:47,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:18:47,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:18:47,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:18:47,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:18:47,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:18:47,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:18:47,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:18:47,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:18:47,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:18:47,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:18:47,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:18:47,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:18:47,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:18:47,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:18:47,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:18:47,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:18:47,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:18:47,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:18:47,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:18:47,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:18:47,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:18:47,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:18:47,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:18:47,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:18:47,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:18:47,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:18:47,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:18:47,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:18:47,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:18:47,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:18:47,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:18:47,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:18:47,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:18:47,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:18:47,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:18:47,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:18:47,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:18:47,767 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:18:47,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:18:47,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:18:47,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:18:47,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:18:47,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:18:47,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:18:47,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:18:47,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:18:47,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:18:47,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:18:47,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:18:47,771 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:18:47,771 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:18:47,771 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_c1e854e4-9028-4b83-b749-1b6d99c80e68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35a17c87f95761d3c336dba09927a1f50471ad0d9c4c0258f32a514befdaa04e [2022-12-13 16:18:47,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:18:47,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:18:47,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:18:47,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:18:47,993 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:18:47,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_52_bad.i [2022-12-13 16:18:50,625 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:18:50,857 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:18:50,857 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_52_bad.i [2022-12-13 16:18:50,870 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data/1d87ff006/509f266cd6c2445bb85315cb00d6207c/FLAG0eb820ba7 [2022-12-13 16:18:50,881 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/data/1d87ff006/509f266cd6c2445bb85315cb00d6207c [2022-12-13 16:18:50,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:18:50,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:18:50,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:18:50,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:18:50,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:18:50,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:18:50" (1/1) ... [2022-12-13 16:18:50,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d74572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:50, skipping insertion in model container [2022-12-13 16:18:50,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:18:50" (1/1) ... [2022-12-13 16:18:50,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:18:50,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:18:51,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:18:51,559 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:18:51,563 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:51,564 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:51,565 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:51,565 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:51,580 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:18:51,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:18:51,593 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:18:51,606 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:18:51,639 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:18:51,640 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:51,641 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:51,642 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:51,643 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:51,646 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:18:51,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:18:51,718 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:18:51,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51 WrapperNode [2022-12-13 16:18:51,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:18:51,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:18:51,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:18:51,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:18:51,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,760 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-12-13 16:18:51,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:18:51,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:18:51,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:18:51,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:18:51,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,777 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:18:51,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:18:51,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:18:51,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:18:51,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (1/1) ... [2022-12-13 16:18:51,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:18:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:18:51,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:18:51,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:18:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:18:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:18:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:18:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:18:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:18:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:18:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:18:51,939 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:18:51,941 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:18:52,046 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:18:52,052 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:18:52,052 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:18:52,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:52 BoogieIcfgContainer [2022-12-13 16:18:52,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:18:52,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:18:52,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:18:52,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:18:52,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:18:50" (1/3) ... [2022-12-13 16:18:52,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dd55f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:18:52, skipping insertion in model container [2022-12-13 16:18:52,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:51" (2/3) ... [2022-12-13 16:18:52,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dd55f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:18:52, skipping insertion in model container [2022-12-13 16:18:52,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:52" (3/3) ... [2022-12-13 16:18:52,062 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_52_bad.i [2022-12-13 16:18:52,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:18:52,076 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:18:52,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:18:52,112 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;@784b8e9e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:18:52,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:18:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:18:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:18:52,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:18:52,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:18:52,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:18:52,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:18:52,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 16:18:52,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:18:52,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845930482] [2022-12-13 16:18:52,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:18:52,136 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 16:18:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:18:52,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:52,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:18:52,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:18:52,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:18:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:18:52,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:18:52,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:18:52,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845930482] [2022-12-13 16:18:52,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845930482] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:18:52,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:18:52,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:18:52,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336974801] [2022-12-13 16:18:52,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:18:52,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:18:52,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:18:52,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:18:52,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:18:52,316 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:18:52,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:18:52,328 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-12-13 16:18:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:18:52,329 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 16:18:52,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:18:52,333 INFO L225 Difference]: With dead ends: 23 [2022-12-13 16:18:52,333 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:18:52,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:18:52,337 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:18:52,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:18:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:18:52,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:18:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:18:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:18:52,359 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:18:52,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:18:52,360 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:18:52,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:18:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:18:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:18:52,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:18:52,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:18:52,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:52,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:52,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:18:52,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:18:52,565 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-12-13 16:18:52,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:18:52,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758822823] [2022-12-13 16:18:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:18:52,569 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 16:18:52,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:18:52,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:52,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:18:52,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:18:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:18:52,808 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:18:52,808 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:18:52,809 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:18:52,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:18:52,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:53,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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 16:18:53,022 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:18:53,033 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:18:53,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:18:53 BoogieIcfgContainer [2022-12-13 16:18:53,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:18:53,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:18:53,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:18:53,096 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:18:53,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:52" (3/4) ... [2022-12-13 16:18:53,100 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:18:53,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:18:53,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:18:53,136 INFO L158 Benchmark]: Toolchain (without parser) took 2252.05ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 42.7MB in the end (delta: 24.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-12-13 16:18:53,137 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:18:53,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.27ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 43.6MB in the end (delta: 23.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-12-13 16:18:53,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.83ms. Allocated memory is still 92.3MB. Free memory was 43.6MB in the beginning and 65.2MB in the end (delta: -21.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-12-13 16:18:53,138 INFO L158 Benchmark]: Boogie Preprocessor took 20.03ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:18:53,138 INFO L158 Benchmark]: RCFGBuilder took 273.03ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 49.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:18:53,138 INFO L158 Benchmark]: TraceAbstraction took 1038.93ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 44.9MB in the end (delta: 4.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-12-13 16:18:53,138 INFO L158 Benchmark]: Witness Printer took 40.12ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:18:53,140 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 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.27ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 43.6MB in the end (delta: 23.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.83ms. Allocated memory is still 92.3MB. Free memory was 43.6MB in the beginning and 65.2MB in the end (delta: -21.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.03ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.03ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 49.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1038.93ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 44.9MB in the end (delta: 4.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 40.12ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.2MB). 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: 1572]: 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_preinc_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] 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()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_preinc_52b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_52c_badSink(data) [L1572] ++data VAL [\old(data)=2147483647, data=2147483647, 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:18:53,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e854e4-9028-4b83-b749-1b6d99c80e68/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)