./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_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_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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_d55809e6-768b-4a05-b186-df842295c955/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 d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- 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 15:33:36,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:33:36,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:33:36,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:33:36,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:33:36,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:33:36,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:33:36,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:33:36,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:33:36,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:33:36,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:33:36,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:33:36,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:33:36,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:33:36,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:33:36,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:33:36,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:33:36,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:33:36,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:33:36,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:33:36,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:33:36,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:33:36,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:33:36,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:33:36,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:33:36,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:33:36,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:33:36,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:33:36,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:33:36,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:33:36,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:33:36,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:33:36,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:33:36,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:33:36,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:33:36,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:33:36,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:33:36,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:33:36,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:33:36,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:33:36,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:33:36,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:33:37,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:33:37,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:33:37,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:33:37,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:33:37,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:33:37,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:33:37,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:33:37,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:33:37,008 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:33:37,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:33:37,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:33:37,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:33:37,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:33:37,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:33:37,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:33:37,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:33:37,010 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:33:37,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:33:37,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:33:37,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:33:37,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:33:37,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:33:37,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:33:37,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:33:37,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:33:37,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:33:37,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:33:37,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:33:37,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:33:37,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:33:37,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:33:37,012 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:33:37,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:33:37,012 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:33:37,012 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_d55809e6-768b-4a05-b186-df842295c955/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2022-12-13 15:33:37,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:33:37,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:33:37,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:33:37,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:33:37,195 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:33:37,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2022-12-13 15:33:39,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:33:40,036 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:33:40,037 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2022-12-13 15:33:40,057 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data/b48e59755/ce7263a317f740a4b06622f818a4a73e/FLAGdcfc6e831 [2022-12-13 15:33:40,353 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data/b48e59755/ce7263a317f740a4b06622f818a4a73e [2022-12-13 15:33:40,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:33:40,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:33:40,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:33:40,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:33:40,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:33:40,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:33:40" (1/1) ... [2022-12-13 15:33:40,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88b7b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:40, skipping insertion in model container [2022-12-13 15:33:40,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:33:40" (1/1) ... [2022-12-13 15:33:40,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:33:40,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:33:40,656 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:33:40,944 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:33:40,948 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:40,950 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:40,951 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:40,952 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:40,972 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:33:40,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:33:40,980 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:33:40,995 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:33:41,026 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:33:41,028 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:41,041 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:41,043 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:41,043 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:41,047 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:33:41,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:33:41,139 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:33:41,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41 WrapperNode [2022-12-13 15:33:41,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:33:41,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:33:41,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:33:41,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:33:41,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,188 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 15:33:41,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:33:41,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:33:41,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:33:41,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:33:41,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:33:41,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:33:41,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:33:41,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:33:41,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (1/1) ... [2022-12-13 15:33:41,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:33:41,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:41,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:41,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:33:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:33:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:33:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:33:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:33:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:33:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:33:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:33:41,376 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:33:41,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:33:41,508 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:33:41,512 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:33:41,512 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:33:41,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:41 BoogieIcfgContainer [2022-12-13 15:33:41,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:33:41,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:33:41,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:33:41,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:33:41,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:33:40" (1/3) ... [2022-12-13 15:33:41,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1a0608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:33:41, skipping insertion in model container [2022-12-13 15:33:41,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:41" (2/3) ... [2022-12-13 15:33:41,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1a0608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:33:41, skipping insertion in model container [2022-12-13 15:33:41,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:41" (3/3) ... [2022-12-13 15:33:41,522 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2022-12-13 15:33:41,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:33:41,535 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:33:41,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:33:41,584 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;@10141b53, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:33:41,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:33:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 15:33:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 15:33:41,593 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:33:41,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:33:41,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:33:41,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:41,598 INFO L85 PathProgramCache]: Analyzing trace with hash 149557746, now seen corresponding path program 1 times [2022-12-13 15:33:41,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:41,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417891616] [2022-12-13 15:33:41,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:41,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:41,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:41,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:33:41,759 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:33:41,760 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 15:33:41,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 15:33:41,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:33:41,765 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:33:41,768 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:33:41,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:33:41 BoogieIcfgContainer [2022-12-13 15:33:41,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:33:41,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:33:41,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:33:41,786 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:33:41,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:41" (3/4) ... [2022-12-13 15:33:41,789 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:33:41,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:33:41,790 INFO L158 Benchmark]: Toolchain (without parser) took 1429.36ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 69.6MB in the beginning and 94.9MB in the end (delta: -25.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-12-13 15:33:41,790 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:41,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.83ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 69.2MB in the beginning and 80.3MB in the end (delta: -11.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-12-13 15:33:41,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.50ms. Allocated memory is still 144.7MB. Free memory was 80.3MB in the beginning and 76.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:33:41,792 INFO L158 Benchmark]: Boogie Preprocessor took 22.98ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 75.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:33:41,792 INFO L158 Benchmark]: RCFGBuilder took 301.37ms. Allocated memory is still 144.7MB. Free memory was 75.4MB in the beginning and 62.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:33:41,792 INFO L158 Benchmark]: TraceAbstraction took 270.05ms. Allocated memory is still 144.7MB. Free memory was 61.4MB in the beginning and 94.9MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:41,793 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 144.7MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:41,794 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 119.5MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.83ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 69.2MB in the beginning and 80.3MB in the end (delta: -11.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.50ms. Allocated memory is still 144.7MB. Free memory was 80.3MB in the beginning and 76.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.98ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 75.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.37ms. Allocated memory is still 144.7MB. Free memory was 75.4MB in the beginning and 62.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 270.05ms. Allocated memory is still 144.7MB. Free memory was 61.4MB in the beginning and 94.9MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 144.7MB. Free memory is still 94.9MB. 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1550, overapproximation of bitwiseAnd at line 1550. 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] [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=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()=32768, rand()=1073741824, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; VAL [\old(data)=0, \result=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [data=-1073741825, 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=23occurred 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 15:33:41,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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_d55809e6-768b-4a05-b186-df842295c955/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 d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- 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 15:33:43,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:33:43,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:33:43,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:33:43,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:33:43,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:33:43,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:33:43,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:33:43,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:33:43,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:33:43,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:33:43,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:33:43,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:33:43,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:33:43,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:33:43,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:33:43,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:33:43,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:33:43,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:33:43,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:33:43,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:33:43,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:33:43,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:33:43,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:33:43,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:33:43,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:33:43,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:33:43,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:33:43,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:33:43,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:33:43,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:33:43,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:33:43,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:33:43,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:33:43,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:33:43,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:33:43,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:33:43,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:33:43,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:33:43,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:33:43,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:33:43,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 15:33:43,563 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:33:43,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:33:43,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:33:43,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:33:43,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:33:43,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:33:43,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:33:43,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:33:43,565 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:33:43,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:33:43,565 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:33:43,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:33:43,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:33:43,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:33:43,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:33:43,566 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:33:43,566 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:33:43,566 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:33:43,567 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:33:43,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:33:43,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:33:43,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:33:43,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:33:43,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:33:43,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:33:43,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:33:43,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:33:43,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:33:43,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:33:43,568 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:33:43,569 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:33:43,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:33:43,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:33:43,569 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:33:43,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:33:43,569 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:33:43,569 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:33:43,570 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_d55809e6-768b-4a05-b186-df842295c955/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2022-12-13 15:33:43,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:33:43,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:33:43,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:33:43,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:33:43,834 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:33:43,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2022-12-13 15:33:46,438 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:33:46,651 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:33:46,651 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2022-12-13 15:33:46,665 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data/338755d9a/51454fe60fca4b27bd9c04a25c3bbf6b/FLAG75c73cf81 [2022-12-13 15:33:46,680 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/data/338755d9a/51454fe60fca4b27bd9c04a25c3bbf6b [2022-12-13 15:33:46,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:33:46,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:33:46,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:33:46,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:33:46,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:33:46,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:33:46" (1/1) ... [2022-12-13 15:33:46,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14096dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:46, skipping insertion in model container [2022-12-13 15:33:46,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:33:46" (1/1) ... [2022-12-13 15:33:46,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:33:46,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:33:47,033 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:33:47,349 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:33:47,355 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:47,356 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:47,358 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:47,359 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:47,385 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:33:47,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:33:47,400 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:33:47,420 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:33:47,468 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:33:47,469 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:47,470 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:33:47,471 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:47,472 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:33:47,475 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:33:47,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:33:47,573 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:33:47,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47 WrapperNode [2022-12-13 15:33:47,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:33:47,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:33:47,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:33:47,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:33:47,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,634 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-13 15:33:47,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:33:47,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:33:47,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:33:47,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:33:47,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,665 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:33:47,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:33:47,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:33:47,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:33:47,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (1/1) ... [2022-12-13 15:33:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:33:47,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:47,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:47,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:33:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:33:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:33:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:33:47,835 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:33:47,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:33:47,954 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:33:47,960 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:33:47,960 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:33:47,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:47 BoogieIcfgContainer [2022-12-13 15:33:47,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:33:47,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:33:47,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:33:47,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:33:47,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:33:46" (1/3) ... [2022-12-13 15:33:47,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e1cd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:33:47, skipping insertion in model container [2022-12-13 15:33:47,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:47" (2/3) ... [2022-12-13 15:33:47,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e1cd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:33:47, skipping insertion in model container [2022-12-13 15:33:47,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:47" (3/3) ... [2022-12-13 15:33:47,970 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2022-12-13 15:33:47,986 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:33:47,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:33:48,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:33:48,036 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;@37c04e0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:33:48,036 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:33:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 15:33:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 15:33:48,047 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:33:48,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:33:48,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:33:48,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:48,053 INFO L85 PathProgramCache]: Analyzing trace with hash 149557746, now seen corresponding path program 1 times [2022-12-13 15:33:48,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:33:48,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642081306] [2022-12-13 15:33:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:48,066 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 15:33:48,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:33:48,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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 15:33:48,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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 15:33:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:48,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:48,217 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 15:33:48,218 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:33:48,219 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 15:33:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 15:33:48,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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 15:33:48,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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 15:33:48,426 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:33:48,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:33:48,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:33:48 BoogieIcfgContainer [2022-12-13 15:33:48,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:33:48,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:33:48,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:33:48,456 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:33:48,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:47" (3/4) ... [2022-12-13 15:33:48,459 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 15:33:48,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:33:48,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:33:48,509 INFO L158 Benchmark]: Toolchain (without parser) took 1825.65ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 38.1MB in the beginning and 58.5MB in the end (delta: -20.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:33:48,510 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:48,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.30ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 42.3MB in the end (delta: -4.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-12-13 15:33:48,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.59ms. Allocated memory is still 88.1MB. Free memory was 42.3MB in the beginning and 38.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:33:48,512 INFO L158 Benchmark]: Boogie Preprocessor took 36.37ms. Allocated memory is still 88.1MB. Free memory was 38.9MB in the beginning and 37.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:48,512 INFO L158 Benchmark]: RCFGBuilder took 287.98ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 48.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:33:48,513 INFO L158 Benchmark]: TraceAbstraction took 490.97ms. Allocated memory is still 88.1MB. Free memory was 47.6MB in the beginning and 54.0MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:48,513 INFO L158 Benchmark]: Witness Printer took 52.57ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 58.5MB in the end (delta: -4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:33:48,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.30ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 42.3MB in the end (delta: -4.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.59ms. Allocated memory is still 88.1MB. Free memory was 42.3MB in the beginning and 38.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.37ms. Allocated memory is still 88.1MB. Free memory was 38.9MB in the beginning and 37.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.98ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 48.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 490.97ms. Allocated memory is still 88.1MB. Free memory was 47.6MB in the beginning and 54.0MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.57ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 58.5MB in the end (delta: -4.5MB). Peak memory consumption was 4.2MB. 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: 1560]: 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] [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=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()=0, rand()=0, rand()=0, rand()=32768, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; VAL [\old(data)=0, \result=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [data=-1073741825, 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=23occurred 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 15:33:48,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55809e6-768b-4a05-b186-df842295c955/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)