./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_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_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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_efb515f5-1b17-4e3e-9243-2764fd19448b/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 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 --- 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 18:22:51,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:22:51,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:22:51,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:22:51,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:22:51,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:22:51,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:22:51,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:22:51,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:22:51,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:22:51,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:22:51,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:22:51,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:22:51,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:22:51,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:22:51,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:22:51,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:22:51,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:22:51,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:22:51,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:22:51,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:22:51,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:22:51,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:22:51,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:22:51,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:22:51,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:22:51,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:22:51,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:22:51,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:22:51,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:22:51,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:22:51,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:22:51,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:22:51,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:22:51,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:22:51,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:22:51,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:22:51,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:22:51,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:22:51,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:22:51,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:22:51,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:22:51,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:22:51,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:22:51,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:22:51,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:22:51,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:22:51,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:22:51,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:22:51,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:22:51,172 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:22:51,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:22:51,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:22:51,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:22:51,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:22:51,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:22:51,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:22:51,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:22:51,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:22:51,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:22:51,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:22:51,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:22:51,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:22:51,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:22:51,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:22:51,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:22:51,175 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:22:51,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:22:51,175 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:22:51,175 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_efb515f5-1b17-4e3e-9243-2764fd19448b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 [2022-12-13 18:22:51,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:22:51,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:22:51,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:22:51,358 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:22:51,359 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:22:51,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-12-13 18:22:53,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:22:54,145 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:22:54,145 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-12-13 18:22:54,158 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data/bd3e58fe3/8fbc562c702147dda64c9e2eda6ed415/FLAGb62db178e [2022-12-13 18:22:54,483 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data/bd3e58fe3/8fbc562c702147dda64c9e2eda6ed415 [2022-12-13 18:22:54,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:22:54,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:22:54,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:22:54,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:22:54,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:22:54,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:22:54" (1/1) ... [2022-12-13 18:22:54,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286d287a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:54, skipping insertion in model container [2022-12-13 18:22:54,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:22:54" (1/1) ... [2022-12-13 18:22:54,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:22:54,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:22:54,782 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:22:55,074 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:22:55,078 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:22:55,080 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:22:55,081 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:22:55,082 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:22:55,101 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:22:55,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:22:55,110 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:22:55,124 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:22:55,154 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:22:55,155 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:22:55,156 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:22:55,157 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:22:55,158 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:22:55,161 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:22:55,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:22:55,269 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:22:55,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55 WrapperNode [2022-12-13 18:22:55,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:22:55,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:22:55,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:22:55,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:22:55,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,311 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-12-13 18:22:55,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:22:55,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:22:55,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:22:55,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:22:55,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,327 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:22:55,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:22:55,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:22:55,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:22:55,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (1/1) ... [2022-12-13 18:22:55,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:22:55,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:22:55,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:22:55,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:22:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:22:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:22:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:22:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:22:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:22:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:22:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:22:55,487 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:22:55,489 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:22:55,610 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:22:55,614 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:22:55,615 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:22:55,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:55 BoogieIcfgContainer [2022-12-13 18:22:55,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:22:55,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:22:55,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:22:55,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:22:55,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:22:54" (1/3) ... [2022-12-13 18:22:55,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67de8ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:55, skipping insertion in model container [2022-12-13 18:22:55,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:22:55" (2/3) ... [2022-12-13 18:22:55,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67de8ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:55, skipping insertion in model container [2022-12-13 18:22:55,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:55" (3/3) ... [2022-12-13 18:22:55,622 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-12-13 18:22:55,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:22:55,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:22:55,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:22:55,674 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;@3e311f9b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:22:55,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:22:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:22:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:22:55,683 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:55,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:22:55,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:22:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:55,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160033, now seen corresponding path program 1 times [2022-12-13 18:22:55,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:22:55,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521615012] [2022-12-13 18:22:55,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:55,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:22:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:22:55,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:22:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:22:55,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:22:55,859 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:22:55,860 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:22:55,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:22:55,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:22:55,866 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:22:55,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:22:55,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:22:55 BoogieIcfgContainer [2022-12-13 18:22:55,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:22:55,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:22:55,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:22:55,888 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:22:55,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:55" (3/4) ... [2022-12-13 18:22:55,891 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:22:55,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:22:55,892 INFO L158 Benchmark]: Toolchain (without parser) took 1405.56ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 85.0MB in the beginning and 100.3MB in the end (delta: -15.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-12-13 18:22:55,892 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:22:55,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.13ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 85.0MB in the beginning and 88.3MB in the end (delta: -3.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-12-13 18:22:55,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 84.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:22:55,893 INFO L158 Benchmark]: Boogie Preprocessor took 18.56ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 83.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:22:55,893 INFO L158 Benchmark]: RCFGBuilder took 285.83ms. Allocated memory is still 146.8MB. Free memory was 83.5MB in the beginning and 70.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:22:55,894 INFO L158 Benchmark]: TraceAbstraction took 269.38ms. Allocated memory is still 146.8MB. Free memory was 69.4MB in the beginning and 100.3MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:22:55,894 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 146.8MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:22:55,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.13ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 85.0MB in the beginning and 88.3MB in the end (delta: -3.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 84.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.56ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 83.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.83ms. Allocated memory is still 146.8MB. Free memory was 83.5MB in the beginning and 70.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 269.38ms. Allocated memory is still 146.8MB. Free memory was 69.4MB in the beginning and 100.3MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 146.8MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, 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()=1, rand()=0, rand()=1, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal) VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1571] COND TRUE data < 0 VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1573] data * 2 VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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: 1573]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 18:22:55,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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_efb515f5-1b17-4e3e-9243-2764fd19448b/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 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 --- 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 18:22:57,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:22:57,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:22:57,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:22:57,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:22:57,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:22:57,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:22:57,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:22:57,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:22:57,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:22:57,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:22:57,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:22:57,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:22:57,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:22:57,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:22:57,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:22:57,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:22:57,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:22:57,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:22:57,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:22:57,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:22:57,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:22:57,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:22:57,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:22:57,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:22:57,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:22:57,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:22:57,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:22:57,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:22:57,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:22:57,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:22:57,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:22:57,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:22:57,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:22:57,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:22:57,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:22:57,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:22:57,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:22:57,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:22:57,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:22:57,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:22:57,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 18:22:57,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:22:57,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:22:57,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:22:57,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:22:57,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:22:57,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:22:57,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:22:57,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:22:57,549 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:22:57,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:22:57,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:22:57,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:22:57,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:22:57,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:22:57,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:22:57,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:22:57,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:22:57,550 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:22:57,551 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:22:57,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:22:57,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:22:57,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:22:57,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:22:57,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:22:57,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:22:57,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:22:57,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:22:57,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:22:57,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:22:57,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:22:57,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:22:57,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:22:57,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:22:57,553 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:22:57,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:22:57,553 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:22:57,553 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:22:57,553 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_efb515f5-1b17-4e3e-9243-2764fd19448b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 [2022-12-13 18:22:57,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:22:57,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:22:57,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:22:57,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:22:57,802 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:22:57,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-12-13 18:23:00,415 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:23:00,668 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:23:00,669 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-12-13 18:23:00,682 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data/070a94692/eab3977a75ad4d0e99dddc1e4ab729a6/FLAG0f630d4bd [2022-12-13 18:23:00,693 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/data/070a94692/eab3977a75ad4d0e99dddc1e4ab729a6 [2022-12-13 18:23:00,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:23:00,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:23:00,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:23:00,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:23:00,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:23:00,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:23:00" (1/1) ... [2022-12-13 18:23:00,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbb0ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:00, skipping insertion in model container [2022-12-13 18:23:00,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:23:00" (1/1) ... [2022-12-13 18:23:00,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:23:00,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:23:00,986 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:23:01,337 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:23:01,342 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:01,343 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:01,345 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:01,346 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:01,364 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:23:01,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:23:01,380 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:23:01,397 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:23:01,446 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:23:01,448 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:01,449 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:01,451 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:01,451 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:01,456 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:23:01,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:23:01,550 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:23:01,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01 WrapperNode [2022-12-13 18:23:01,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:23:01,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:23:01,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:23:01,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:23:01,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,609 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-12-13 18:23:01,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:23:01,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:23:01,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:23:01,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:23:01,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:23:01,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:23:01,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:23:01,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:23:01,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (1/1) ... [2022-12-13 18:23:01,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:23:01,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:23:01,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:23:01,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:23:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:23:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:23:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:23:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:23:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:23:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:23:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:23:01,802 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:23:01,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:23:01,924 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:23:01,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:23:01,928 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:23:01,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:01 BoogieIcfgContainer [2022-12-13 18:23:01,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:23:01,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:23:01,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:23:01,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:23:01,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:23:00" (1/3) ... [2022-12-13 18:23:01,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571eb809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:23:01, skipping insertion in model container [2022-12-13 18:23:01,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:01" (2/3) ... [2022-12-13 18:23:01,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571eb809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:23:01, skipping insertion in model container [2022-12-13 18:23:01,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:01" (3/3) ... [2022-12-13 18:23:01,936 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-12-13 18:23:01,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:23:01,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:23:01,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:23:01,987 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;@f684ac0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:23:01,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:23:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:23:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:23:01,996 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:01,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:01,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:23:02,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:02,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160033, now seen corresponding path program 1 times [2022-12-13 18:23:02,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:23:02,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331550355] [2022-12-13 18:23:02,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:02,011 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 18:23:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:23:02,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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 18:23:02,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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 18:23:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:02,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:23:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:23:02,176 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 18:23:02,178 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:23:02,179 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:23:02,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:23:02,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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 18:23:02,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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 18:23:02,384 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:23:02,388 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:23:02,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:23:02 BoogieIcfgContainer [2022-12-13 18:23:02,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:23:02,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:23:02,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:23:02,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:23:02,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:01" (3/4) ... [2022-12-13 18:23:02,408 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 18:23:02,437 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:23:02,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:23:02,438 INFO L158 Benchmark]: Toolchain (without parser) took 1741.98ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 50.0MB in the beginning and 56.4MB in the end (delta: -6.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-12-13 18:23:02,439 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:23:02,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.85ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 42.3MB in the end (delta: 7.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-12-13 18:23:02,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.88ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 66.5MB in the end (delta: -24.2MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-12-13 18:23:02,440 INFO L158 Benchmark]: Boogie Preprocessor took 28.76ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:23:02,440 INFO L158 Benchmark]: RCFGBuilder took 290.81ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 50.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:23:02,440 INFO L158 Benchmark]: TraceAbstraction took 474.54ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 58.7MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:23:02,441 INFO L158 Benchmark]: Witness Printer took 31.23ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:23:02,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.85ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 42.3MB in the end (delta: 7.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.88ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 66.5MB in the end (delta: -24.2MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.76ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.81ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 50.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 474.54ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 58.7MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 31.23ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1573]: 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); [L1548] int CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, 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()=1, rand()=0, rand()=1073741823, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal) VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1571] COND TRUE data < 0 VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1573] data * 2 VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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: 1573]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 18:23:02,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb515f5-1b17-4e3e-9243-2764fd19448b/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)