./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_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_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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_a80b4691-ab0b-4d96-9654-d675899b5a0f/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 c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 --- 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 18:03:18,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:03:18,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:03:18,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:03:18,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:03:18,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:03:18,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:03:18,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:03:18,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:03:18,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:03:18,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:03:18,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:03:18,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:03:18,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:03:18,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:03:18,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:03:18,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:03:18,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:03:18,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:03:18,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:03:18,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:03:18,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:03:18,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:03:18,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:03:18,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:03:18,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:03:18,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:03:18,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:03:18,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:03:18,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:03:18,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:03:18,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:03:18,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:03:18,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:03:18,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:03:18,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:03:18,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:03:18,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:03:18,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:03:18,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:03:18,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:03:18,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:03:19,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:03:19,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:03:19,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:03:19,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:03:19,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:03:19,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:03:19,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:03:19,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:03:19,006 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:03:19,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:03:19,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:03:19,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:03:19,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:03:19,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:03:19,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:03:19,009 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:03:19,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:03:19,013 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:03:19,013 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_a80b4691-ab0b-4d96-9654-d675899b5a0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 [2022-12-13 18:03:19,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:03:19,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:03:19,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:03:19,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:03:19,215 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:03:19,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2022-12-13 18:03:21,724 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:03:22,012 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:03:22,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2022-12-13 18:03:22,032 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data/d9fb83ce2/a9badc395e304f66ba71f420592e63cd/FLAGaf8d8d83e [2022-12-13 18:03:22,281 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data/d9fb83ce2/a9badc395e304f66ba71f420592e63cd [2022-12-13 18:03:22,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:03:22,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:03:22,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:03:22,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:03:22,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:03:22,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:03:22" (1/1) ... [2022-12-13 18:03:22,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46935181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:22, skipping insertion in model container [2022-12-13 18:03:22,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:03:22" (1/1) ... [2022-12-13 18:03:22,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:03:22,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:03:22,553 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:03:22,872 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:03:22,877 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:22,878 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:22,880 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:22,881 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:22,902 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:03:22,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:03:22,939 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:03:22,964 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:03:22,994 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:03:22,996 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:22,996 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:22,998 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:22,998 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:23,002 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:03:23,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:03:23,066 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:03:23,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23 WrapperNode [2022-12-13 18:03:23,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:03:23,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:03:23,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:03:23,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:03:23,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,105 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 18:03:23,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:03:23,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:03:23,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:03:23,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:03:23,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,121 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:03:23,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:03:23,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:03:23,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:03:23,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (1/1) ... [2022-12-13 18:03:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:03:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:03:23,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:03:23,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:03:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:03:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:03:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:03:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:03:23,291 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:03:23,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:03:23,405 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:03:23,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:03:23,410 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:03:23,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:03:23 BoogieIcfgContainer [2022-12-13 18:03:23,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:03:23,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:03:23,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:03:23,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:03:23,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:03:22" (1/3) ... [2022-12-13 18:03:23,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbb9aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:03:23, skipping insertion in model container [2022-12-13 18:03:23,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:23" (2/3) ... [2022-12-13 18:03:23,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbb9aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:03:23, skipping insertion in model container [2022-12-13 18:03:23,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:03:23" (3/3) ... [2022-12-13 18:03:23,420 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2022-12-13 18:03:23,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:03:23,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:03:23,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:03:23,483 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;@60b42fe8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:03:23,484 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:03:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 18:03:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:03:23,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:03:23,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:03:23,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:03:23,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:03:23,500 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 18:03:23,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:03:23,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092479245] [2022-12-13 18:03:23,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:03:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:03:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:03:23,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:03:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:03:23,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:03:23,749 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:03:23,750 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:03:23,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:03:23,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:03:23,758 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:03:23,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:03:23,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:03:23 BoogieIcfgContainer [2022-12-13 18:03:23,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:03:23,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:03:23,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:03:23,786 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:03:23,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:03:23" (3/4) ... [2022-12-13 18:03:23,790 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:03:23,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:03:23,791 INFO L158 Benchmark]: Toolchain (without parser) took 1507.04ms. Allocated memory is still 180.4MB. Free memory was 124.4MB in the beginning and 141.8MB in the end (delta: -17.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:03:23,791 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:03:23,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.14ms. Allocated memory is still 180.4MB. Free memory was 124.4MB in the beginning and 106.4MB in the end (delta: 18.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-12-13 18:03:23,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.96ms. Allocated memory is still 180.4MB. Free memory was 106.4MB in the beginning and 103.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:03:23,793 INFO L158 Benchmark]: Boogie Preprocessor took 18.70ms. Allocated memory is still 180.4MB. Free memory was 103.0MB in the beginning and 101.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:03:23,793 INFO L158 Benchmark]: RCFGBuilder took 287.62ms. Allocated memory is still 180.4MB. Free memory was 101.8MB in the beginning and 87.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:03:23,794 INFO L158 Benchmark]: TraceAbstraction took 370.94ms. Allocated memory is still 180.4MB. Free memory was 87.1MB in the beginning and 142.9MB in the end (delta: -55.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-12-13 18:03:23,794 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 180.4MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:03:23,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.14ms. Allocated memory is still 180.4MB. Free memory was 124.4MB in the beginning and 106.4MB in the end (delta: 18.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.96ms. Allocated memory is still 180.4MB. Free memory was 106.4MB in the beginning and 103.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.70ms. Allocated memory is still 180.4MB. Free memory was 103.0MB in the beginning and 101.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.62ms. Allocated memory is still 180.4MB. Free memory was 101.8MB in the beginning and 87.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 370.94ms. Allocated memory is still 180.4MB. Free memory was 87.1MB in the beginning and 142.9MB in the end (delta: -55.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 180.4MB. Free memory is still 141.8MB. 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=6442450949, argc=6442450949, argv={6442450947:6442450950}, argv={6442450947:6442450950}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=2147483647, rand()=196608, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-6442450944] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 VAL [data=-2147483648, dataPtr={5:0}, dataVoidPtr={5:0}, dataVoidPtr={5:0}, 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: 1569]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=22occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 18:03:23,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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_a80b4691-ab0b-4d96-9654-d675899b5a0f/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 c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 --- 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 18:03:25,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:03:25,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:03:25,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:03:25,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:03:25,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:03:25,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:03:25,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:03:25,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:03:25,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:03:25,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:03:25,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:03:25,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:03:25,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:03:25,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:03:25,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:03:25,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:03:25,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:03:25,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:03:25,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:03:25,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:03:25,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:03:25,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:03:25,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:03:25,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:03:25,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:03:25,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:03:25,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:03:25,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:03:25,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:03:25,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:03:25,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:03:25,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:03:25,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:03:25,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:03:25,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:03:25,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:03:25,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:03:25,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:03:25,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:03:25,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:03:25,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 18:03:25,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:03:25,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:03:25,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:03:25,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:03:25,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:03:25,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:03:25,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:03:25,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:03:25,496 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:03:25,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:03:25,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:03:25,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:03:25,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:03:25,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:03:25,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:03:25,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:03:25,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:03:25,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:03:25,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:03:25,499 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:03:25,499 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:03:25,499 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_a80b4691-ab0b-4d96-9654-d675899b5a0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 [2022-12-13 18:03:25,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:03:25,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:03:25,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:03:25,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:03:25,721 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:03:25,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2022-12-13 18:03:28,284 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:03:28,488 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:03:28,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2022-12-13 18:03:28,503 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data/c1b0600fb/ea97dfe240eb412c84265549fdd1ae44/FLAG45658e121 [2022-12-13 18:03:28,517 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/data/c1b0600fb/ea97dfe240eb412c84265549fdd1ae44 [2022-12-13 18:03:28,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:03:28,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:03:28,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:03:28,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:03:28,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:03:28,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:03:28" (1/1) ... [2022-12-13 18:03:28,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb84248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:28, skipping insertion in model container [2022-12-13 18:03:28,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:03:28" (1/1) ... [2022-12-13 18:03:28,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:03:28,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:03:28,899 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:03:29,251 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:03:29,255 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:29,256 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:29,257 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:29,258 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:29,272 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:03:29,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:03:29,284 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 18:03:29,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:03:29,296 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:03:29,325 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:03:29,326 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:29,327 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:29,329 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:29,329 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:29,332 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:03:29,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:03:29,337 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:03:29,350 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:03:29,379 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:03:29,380 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:29,381 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:03:29,383 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:29,383 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:03:29,386 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:03:29,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:03:29,473 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:03:29,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29 WrapperNode [2022-12-13 18:03:29,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:03:29,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:03:29,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:03:29,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:03:29,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,519 INFO L138 Inliner]: procedures = 505, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 18:03:29,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:03:29,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:03:29,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:03:29,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:03:29,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,541 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:03:29,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:03:29,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:03:29,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:03:29,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (1/1) ... [2022-12-13 18:03:29,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:03:29,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:03:29,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:03:29,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:03:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:03:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:03:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:03:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:03:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:03:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:03:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:03:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 18:03:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:03:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 18:03:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:03:29,713 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:03:29,715 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:03:29,860 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:03:29,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:03:29,867 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:03:29,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:03:29 BoogieIcfgContainer [2022-12-13 18:03:29,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:03:29,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:03:29,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:03:29,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:03:29,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:03:28" (1/3) ... [2022-12-13 18:03:29,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ba5947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:03:29, skipping insertion in model container [2022-12-13 18:03:29,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:03:29" (2/3) ... [2022-12-13 18:03:29,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ba5947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:03:29, skipping insertion in model container [2022-12-13 18:03:29,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:03:29" (3/3) ... [2022-12-13 18:03:29,877 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2022-12-13 18:03:29,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:03:29,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:03:29,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:03:29,942 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;@56c86fe1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:03:29,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:03:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 18:03:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:03:29,957 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:03:29,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:03:29,958 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:03:29,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:03:29,963 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 18:03:29,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:03:29,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220675770] [2022-12-13 18:03:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:03:29,974 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 18:03:29,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:03:29,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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 18:03:29,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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 18:03:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:03:30,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:03:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:03:30,332 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 18:03:30,334 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:03:30,335 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:03:30,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:03:30,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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 18:03:30,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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 18:03:30,543 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:03:30,552 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:03:30,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:03:30 BoogieIcfgContainer [2022-12-13 18:03:30,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:03:30,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:03:30,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:03:30,587 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:03:30,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:03:29" (3/4) ... [2022-12-13 18:03:30,589 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 18:03:30,617 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:03:30,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:03:30,618 INFO L158 Benchmark]: Toolchain (without parser) took 2096.41ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 61.2MB in the beginning and 63.7MB in the end (delta: -2.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-12-13 18:03:30,618 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:03:30,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 951.47ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 33.3MB in the end (delta: 27.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-12-13 18:03:30,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 79.9MB in the end (delta: -46.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-13 18:03:30,619 INFO L158 Benchmark]: Boogie Preprocessor took 24.92ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 77.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:03:30,619 INFO L158 Benchmark]: RCFGBuilder took 323.77ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 62.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:03:30,619 INFO L158 Benchmark]: TraceAbstraction took 715.60ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 66.4MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:03:30,620 INFO L158 Benchmark]: Witness Printer took 29.94ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 63.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:03:30,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 951.47ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 33.3MB in the end (delta: 27.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 79.9MB in the end (delta: -46.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.92ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 77.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.77ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 62.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 715.60ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 66.4MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.94ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 63.7MB in the end (delta: 2.8MB). 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: 1569]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={7:0}, 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()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 VAL [data=-2147483648, dataPtr={7:0}, dataVoidPtr={7:0}, dataVoidPtr={7:0}, 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: 1569]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=22occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 18:03:30,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80b4691-ab0b-4d96-9654-d675899b5a0f/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)