./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 --- 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 18:18:44,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:18:44,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:18:44,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:18:44,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:18:44,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:18:44,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:18:44,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:18:44,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:18:44,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:18:44,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:18:44,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:18:44,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:18:44,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:18:44,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:18:44,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:18:44,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:18:44,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:18:44,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:18:44,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:18:44,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:18:44,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:18:44,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:18:44,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:18:44,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:18:44,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:18:44,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:18:44,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:18:44,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:18:44,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:18:44,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:18:44,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:18:44,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:18:44,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:18:44,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:18:44,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:18:44,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:18:44,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:18:44,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:18:44,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:18:44,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:18:44,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:18:44,054 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:18:44,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:18:44,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:18:44,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:18:44,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:18:44,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:18:44,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:18:44,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:18:44,062 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:18:44,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:18:44,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:18:44,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:18:44,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:18:44,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:18:44,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:18:44,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:18:44,063 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:18:44,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:18:44,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:18:44,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:18:44,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:18:44,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:18:44,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:18:44,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:18:44,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:18:44,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:18:44,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:18:44,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:18:44,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:18:44,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:18:44,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:18:44,066 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:18:44,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:18:44,066 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:18:44,066 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_8ba53745-69e8-40d4-99a8-5c75092bfb36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 [2022-12-13 18:18:44,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:18:44,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:18:44,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:18:44,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:18:44,246 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:18:44,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2022-12-13 18:18:46,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:18:47,040 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:18:47,041 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2022-12-13 18:18:47,054 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data/f0d8daa85/f7b8d302f025467cbb9131270e9befbb/FLAG68d290122 [2022-12-13 18:18:47,409 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data/f0d8daa85/f7b8d302f025467cbb9131270e9befbb [2022-12-13 18:18:47,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:18:47,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:18:47,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:18:47,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:18:47,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:18:47,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:18:47" (1/1) ... [2022-12-13 18:18:47,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f94e4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:47, skipping insertion in model container [2022-12-13 18:18:47,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:18:47" (1/1) ... [2022-12-13 18:18:47,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:18:47,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:18:47,762 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:18:48,077 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:18:48,082 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:48,084 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:48,086 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:48,087 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:48,112 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:18:48,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:18:48,122 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:18:48,138 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:18:48,182 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:18:48,184 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:48,185 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:48,187 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:48,188 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:48,193 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:18:48,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:18:48,290 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:18:48,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48 WrapperNode [2022-12-13 18:18:48,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:18:48,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:18:48,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:18:48,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:18:48,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,331 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2022-12-13 18:18:48,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:18:48,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:18:48,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:18:48,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:18:48,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,347 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:18:48,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:18:48,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:18:48,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:18:48,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (1/1) ... [2022-12-13 18:18:48,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:18:48,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:18:48,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:18:48,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:18:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:18:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:18:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:18:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:18:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:18:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:18:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:18:48,516 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:18:48,518 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:18:48,642 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:18:48,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:18:48,648 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:18:48,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:48 BoogieIcfgContainer [2022-12-13 18:18:48,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:18:48,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:18:48,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:18:48,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:18:48,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:18:47" (1/3) ... [2022-12-13 18:18:48,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f44a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:18:48, skipping insertion in model container [2022-12-13 18:18:48,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:48" (2/3) ... [2022-12-13 18:18:48,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f44a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:18:48, skipping insertion in model container [2022-12-13 18:18:48,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:48" (3/3) ... [2022-12-13 18:18:48,656 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2022-12-13 18:18:48,670 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:18:48,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:18:48,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:18:48,713 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;@2810d5fd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:18:48,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:18:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 26 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 18:18:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:18:48,723 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:18:48,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:18:48,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:18:48,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:18:48,729 INFO L85 PathProgramCache]: Analyzing trace with hash 104910426, now seen corresponding path program 1 times [2022-12-13 18:18:48,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:18:48,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244294246] [2022-12-13 18:18:48,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:18:48,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:18:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:18:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:48,929 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 18:18:48,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:18:48,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244294246] [2022-12-13 18:18:48,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244294246] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:18:48,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:18:48,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:18:48,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073761090] [2022-12-13 18:18:48,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:18:48,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:18:48,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:18:48,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:18:48,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:18:48,961 INFO L87 Difference]: Start difference. First operand has 30 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 26 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 18:18:48,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:18:48,982 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-12-13 18:18:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:18:48,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) Word has length 14 [2022-12-13 18:18:48,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:18:48,988 INFO L225 Difference]: With dead ends: 51 [2022-12-13 18:18:48,988 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 18:18:48,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 18:18:48,992 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:18:48,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 61 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:18:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 18:18:49,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 18:18:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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 18:18:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-12-13 18:18:49,016 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2022-12-13 18:18:49,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:18:49,016 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-12-13 18:18:49,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 18:18:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-13 18:18:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 18:18:49,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:18:49,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:18:49,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:18:49,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:18:49,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:18:49,018 INFO L85 PathProgramCache]: Analyzing trace with hash -793219897, now seen corresponding path program 1 times [2022-12-13 18:18:49,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:18:49,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484253643] [2022-12-13 18:18:49,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:18:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:18:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:18:49,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:18:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:18:49,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:18:49,100 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:18:49,102 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:18:49,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:18:49,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:18:49,106 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:18:49,109 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:18:49,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:18:49 BoogieIcfgContainer [2022-12-13 18:18:49,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:18:49,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:18:49,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:18:49,133 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:18:49,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:48" (3/4) ... [2022-12-13 18:18:49,136 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:18:49,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:18:49,136 INFO L158 Benchmark]: Toolchain (without parser) took 1718.31ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 114.4MB in the beginning and 95.3MB in the end (delta: 19.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-12-13 18:18:49,137 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:18:49,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.94ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 113.9MB in the beginning and 148.8MB in the end (delta: -34.9MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2022-12-13 18:18:49,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.77ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:18:49,138 INFO L158 Benchmark]: Boogie Preprocessor took 18.09ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 144.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:18:49,138 INFO L158 Benchmark]: RCFGBuilder took 299.14ms. Allocated memory is still 184.5MB. Free memory was 144.6MB in the beginning and 129.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:18:49,139 INFO L158 Benchmark]: TraceAbstraction took 481.32ms. Allocated memory is still 184.5MB. Free memory was 128.9MB in the beginning and 96.3MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 18:18:49,139 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 184.5MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:18:49,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.94ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 113.9MB in the beginning and 148.8MB in the end (delta: -34.9MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.77ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.09ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 144.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.14ms. Allocated memory is still 184.5MB. Free memory was 144.6MB in the beginning and 129.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 481.32ms. Allocated memory is still 184.5MB. Free memory was 128.9MB in the beginning and 96.3MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 184.5MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. 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] [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_rand_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] 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()=6, rand()=1, rand()=0, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1566]: 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, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 18:18:49,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 --- 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 18:18:50,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:18:50,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:18:50,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:18:50,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:18:50,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:18:50,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:18:50,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:18:50,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:18:50,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:18:50,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:18:50,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:18:50,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:18:50,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:18:50,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:18:50,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:18:50,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:18:50,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:18:50,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:18:50,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:18:50,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:18:50,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:18:50,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:18:50,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:18:50,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:18:50,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:18:50,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:18:50,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:18:50,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:18:50,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:18:50,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:18:50,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:18:50,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:18:50,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:18:50,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:18:50,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:18:50,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:18:50,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:18:50,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:18:50,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:18:50,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:18:50,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 18:18:50,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:18:50,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:18:50,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:18:50,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:18:50,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:18:50,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:18:50,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:18:50,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:18:50,639 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:18:50,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:18:50,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:18:50,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:18:50,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:18:50,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:18:50,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:18:50,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:18:50,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:18:50,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:18:50,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:18:50,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:18:50,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:18:50,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:18:50,641 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:18:50,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:18:50,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:18:50,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:18:50,642 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:18:50,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:18:50,642 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:18:50,642 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:18:50,642 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_8ba53745-69e8-40d4-99a8-5c75092bfb36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 [2022-12-13 18:18:50,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:18:50,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:18:50,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:18:50,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:18:50,864 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:18:50,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2022-12-13 18:18:53,420 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:18:53,684 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:18:53,684 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2022-12-13 18:18:53,701 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data/8bb605a04/e27bffe2e53b40e7bf3ab1a73603c55b/FLAG00aeb538b [2022-12-13 18:18:53,715 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/data/8bb605a04/e27bffe2e53b40e7bf3ab1a73603c55b [2022-12-13 18:18:53,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:18:53,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:18:53,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:18:53,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:18:53,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:18:53,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:18:53" (1/1) ... [2022-12-13 18:18:53,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6c3959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:53, skipping insertion in model container [2022-12-13 18:18:53,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:18:53" (1/1) ... [2022-12-13 18:18:53,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:18:53,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:18:54,054 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:18:54,376 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:18:54,380 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:54,381 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:54,383 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:54,384 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:54,405 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:18:54,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:18:54,418 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:18:54,436 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:18:54,489 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:18:54,491 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:54,492 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:18:54,495 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:54,495 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:18:54,502 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:18:54,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:18:54,592 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:18:54,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54 WrapperNode [2022-12-13 18:18:54,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:18:54,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:18:54,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:18:54,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:18:54,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,629 INFO L138 Inliner]: procedures = 504, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2022-12-13 18:18:54,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:18:54,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:18:54,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:18:54,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:18:54,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:18:54,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:18:54,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:18:54,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:18:54,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (1/1) ... [2022-12-13 18:18:54,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:18:54,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:18:54,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:18:54,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:18:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:18:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:18:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:18:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:18:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:18:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:18:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:18:54,814 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:18:54,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:18:54,921 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:18:54,925 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:18:54,925 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:18:54,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:54 BoogieIcfgContainer [2022-12-13 18:18:54,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:18:54,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:18:54,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:18:54,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:18:54,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:18:53" (1/3) ... [2022-12-13 18:18:54,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bd4709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:18:54, skipping insertion in model container [2022-12-13 18:18:54,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:18:54" (2/3) ... [2022-12-13 18:18:54,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bd4709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:18:54, skipping insertion in model container [2022-12-13 18:18:54,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:54" (3/3) ... [2022-12-13 18:18:54,933 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2022-12-13 18:18:54,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:18:54,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:18:54,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:18:54,986 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;@47af7378, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:18:54,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:18:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 26 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 18:18:54,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:18:54,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:18:54,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:18:54,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:18:54,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:18:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash 104910426, now seen corresponding path program 1 times [2022-12-13 18:18:55,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:18:55,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937041501] [2022-12-13 18:18:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:18:55,017 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 18:18:55,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:18:55,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:18:55,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:18:55,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:18:55,168 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 18:18:55,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:18:55,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:18:55,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937041501] [2022-12-13 18:18:55,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937041501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:18:55,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:18:55,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:18:55,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391430313] [2022-12-13 18:18:55,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:18:55,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:18:55,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:18:55,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:18:55,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:18:55,208 INFO L87 Difference]: Start difference. First operand has 30 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 26 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 18:18:55,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:18:55,233 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-12-13 18:18:55,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:18:55,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) Word has length 14 [2022-12-13 18:18:55,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:18:55,242 INFO L225 Difference]: With dead ends: 51 [2022-12-13 18:18:55,243 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 18:18:55,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 18:18:55,248 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:18:55,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 61 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:18:55,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 18:18:55,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 18:18:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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 18:18:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-12-13 18:18:55,283 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2022-12-13 18:18:55,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:18:55,283 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-12-13 18:18:55,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 18:18:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-13 18:18:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 18:18:55,284 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:18:55,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:18:55,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:18:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:18:55,486 INFO L85 PathProgramCache]: Analyzing trace with hash -793219897, now seen corresponding path program 1 times [2022-12-13 18:18:55,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:18:55,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480096290] [2022-12-13 18:18:55,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:18:55,487 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 18:18:55,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:18:55,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:18:55,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:18:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:18:55,601 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 18:18:55,601 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:18:55,603 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:18:55,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:18:55,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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 18:18:55,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:18:55,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:18:55,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:18:55 BoogieIcfgContainer [2022-12-13 18:18:55,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:18:55,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:18:55,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:18:55,840 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:18:55,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:18:54" (3/4) ... [2022-12-13 18:18:55,841 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 18:18:55,872 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:18:55,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:18:55,873 INFO L158 Benchmark]: Toolchain (without parser) took 2153.61ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 43.9MB in the beginning and 80.8MB in the end (delta: -36.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-12-13 18:18:55,873 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:18:55,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.97ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 43.7MB in the beginning and 72.2MB in the end (delta: -28.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-12-13 18:18:55,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.10ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 69.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:18:55,874 INFO L158 Benchmark]: Boogie Preprocessor took 20.16ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:18:55,875 INFO L158 Benchmark]: RCFGBuilder took 277.13ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 53.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:18:55,875 INFO L158 Benchmark]: TraceAbstraction took 910.07ms. Allocated memory is still 109.1MB. Free memory was 52.4MB in the beginning and 56.7MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:18:55,875 INFO L158 Benchmark]: Witness Printer took 33.15ms. Allocated memory is still 109.1MB. Free memory was 56.0MB in the beginning and 80.8MB in the end (delta: -24.7MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2022-12-13 18:18:55,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.97ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 43.7MB in the beginning and 72.2MB in the end (delta: -28.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.10ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 69.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.16ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.13ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 53.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 910.07ms. Allocated memory is still 109.1MB. Free memory was 52.4MB in the beginning and 56.7MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.15ms. Allocated memory is still 109.1MB. Free memory was 56.0MB in the beginning and 80.8MB in the end (delta: -24.7MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1566]: 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] [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] 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()=65536, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1566]: 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, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:18:55,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba53745-69e8-40d4-99a8-5c75092bfb36/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)