./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_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_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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_9c417346-e07f-4afa-9113-2e0badc4626b/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 e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 --- 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 13:18:33,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:18:33,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:18:33,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:18:33,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:18:33,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:18:33,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:18:33,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:18:33,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:18:33,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:18:33,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:18:33,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:18:33,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:18:33,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:18:33,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:18:33,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:18:33,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:18:33,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:18:33,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:18:33,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:18:33,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:18:33,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:18:33,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:18:33,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:18:33,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:18:33,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:18:33,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:18:33,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:18:33,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:18:33,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:18:33,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:18:33,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:18:33,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:18:33,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:18:33,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:18:33,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:18:33,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:18:33,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:18:33,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:18:33,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:18:33,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:18:33,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:18:33,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:18:33,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:18:33,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:18:33,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:18:33,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:18:33,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:18:33,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:18:33,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:18:33,958 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:18:33,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:18:33,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:18:33,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:18:33,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:18:33,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:18:33,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:18:33,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:18:33,959 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:18:33,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:18:33,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:18:33,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:18:33,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:18:33,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:18:33,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:18:33,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:18:33,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:18:33,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:18:33,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:18:33,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:18:33,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:18:33,962 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:18:33,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:18:33,962 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:18:33,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:18:33,963 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:18:33,963 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_9c417346-e07f-4afa-9113-2e0badc4626b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 [2022-12-13 13:18:34,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:18:34,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:18:34,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:18:34,172 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:18:34,172 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:18:34,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2022-12-13 13:18:36,794 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:18:37,057 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:18:37,058 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2022-12-13 13:18:37,075 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data/1c6b423eb/53e1371ebea847f5a33335a0766c90f0/FLAG0182665dd [2022-12-13 13:18:37,089 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data/1c6b423eb/53e1371ebea847f5a33335a0766c90f0 [2022-12-13 13:18:37,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:18:37,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:18:37,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:37,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:18:37,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:18:37,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:37" (1/1) ... [2022-12-13 13:18:37,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c6e63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:37, skipping insertion in model container [2022-12-13 13:18:37,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:37" (1/1) ... [2022-12-13 13:18:37,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:18:37,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:18:37,455 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:18:37,818 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:18:37,823 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:37,824 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:37,826 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:37,826 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:37,845 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:18:37,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:37,853 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:18:37,866 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:18:37,898 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:18:37,899 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:37,900 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:37,901 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:37,902 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:37,906 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:18:37,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:38,003 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:18:38,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38 WrapperNode [2022-12-13 13:18:38,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:38,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:38,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:18:38,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:18:38,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,040 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-12-13 13:18:38,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:38,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:18:38,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:18:38,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:18:38,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:18:38,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:18:38,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:18:38,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:18:38,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (1/1) ... [2022-12-13 13:18:38,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:18:38,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:38,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:38,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:18:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:18:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:18:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:18:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:18:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:18:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:18:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:18:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:18:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:18:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:18:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:18:38,231 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:18:38,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:18:38,358 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:18:38,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:18:38,362 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:18:38,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:38 BoogieIcfgContainer [2022-12-13 13:18:38,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:18:38,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:18:38,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:18:38,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:18:38,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:18:37" (1/3) ... [2022-12-13 13:18:38,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7156a9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:18:38, skipping insertion in model container [2022-12-13 13:18:38,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:38" (2/3) ... [2022-12-13 13:18:38,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7156a9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:18:38, skipping insertion in model container [2022-12-13 13:18:38,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:38" (3/3) ... [2022-12-13 13:18:38,370 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2022-12-13 13:18:38,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:18:38,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:18:38,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:18:38,421 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;@32bb3898, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:18:38,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:18:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 13:18:38,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:18:38,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:38,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:38,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:18:38,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:38,434 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 13:18:38,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:38,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298470482] [2022-12-13 13:18:38,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:38,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:38,635 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:18:38,636 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:18:38,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:18:38,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:18:38,641 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:18:38,645 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:18:38,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:18:38 BoogieIcfgContainer [2022-12-13 13:18:38,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:18:38,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:18:38,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:18:38,666 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:18:38,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:38" (3/4) ... [2022-12-13 13:18:38,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:18:38,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:18:38,670 INFO L158 Benchmark]: Toolchain (without parser) took 1577.00ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 108.0MB in the end (delta: -10.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-12-13 13:18:38,671 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory was 78.2MB in the beginning and 78.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:18:38,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 909.09ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 97.6MB in the end (delta: -545.6kB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-12-13 13:18:38,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 94.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:18:38,673 INFO L158 Benchmark]: Boogie Preprocessor took 19.07ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:18:38,673 INFO L158 Benchmark]: RCFGBuilder took 303.19ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 78.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:18:38,674 INFO L158 Benchmark]: TraceAbstraction took 296.51ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 56.5MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 13:18:38,674 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 108.0MB in the end (delta: -51.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:18:38,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory was 78.2MB in the beginning and 78.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 909.09ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 97.6MB in the end (delta: -545.6kB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 94.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.07ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.19ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 78.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 296.51ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 56.5MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 108.0MB in the end (delta: -51.5MB). 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 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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] [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483654, argc=2147483654, argv={2147483651:2147483655}, argv={2147483651:2147483655}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, data={5:0}, dataPtr1={5:0}, dataPtr2={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()=0, rand()=2, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [data=-2147483648, data={5:0}, data=-2147483648, dataPtr1={5:0}, dataPtr2={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: 1562]: 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, 21 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=21occurred 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 13:18:38,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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_9c417346-e07f-4afa-9113-2e0badc4626b/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 e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 --- 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 13:18:40,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:18:40,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:18:40,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:18:40,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:18:40,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:18:40,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:18:40,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:18:40,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:18:40,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:18:40,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:18:40,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:18:40,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:18:40,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:18:40,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:18:40,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:18:40,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:18:40,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:18:40,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:18:40,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:18:40,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:18:40,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:18:40,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:18:40,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:18:40,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:18:40,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:18:40,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:18:40,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:18:40,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:18:40,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:18:40,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:18:40,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:18:40,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:18:40,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:18:40,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:18:40,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:18:40,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:18:40,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:18:40,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:18:40,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:18:40,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:18:40,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:18:40,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:18:40,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:18:40,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:18:40,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:18:40,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:18:40,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:18:40,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:18:40,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:18:40,334 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:18:40,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:18:40,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:18:40,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:18:40,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:18:40,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:18:40,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:18:40,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:18:40,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:18:40,336 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:18:40,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:18:40,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:18:40,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:18:40,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:18:40,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:18:40,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:18:40,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:18:40,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:18:40,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:18:40,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:18:40,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:18:40,337 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:18:40,337 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:18:40,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:18:40,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:18:40,338 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:18:40,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:18:40,338 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:18:40,338 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:18:40,338 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_9c417346-e07f-4afa-9113-2e0badc4626b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 [2022-12-13 13:18:40,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:18:40,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:18:40,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:18:40,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:18:40,601 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:18:40,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2022-12-13 13:18:43,207 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:18:43,465 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:18:43,465 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2022-12-13 13:18:43,483 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data/9ec01b71f/731967ffe22f417da984dec4cf21c706/FLAG3973bd43d [2022-12-13 13:18:43,496 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/data/9ec01b71f/731967ffe22f417da984dec4cf21c706 [2022-12-13 13:18:43,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:18:43,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:18:43,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:43,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:18:43,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:18:43,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:43" (1/1) ... [2022-12-13 13:18:43,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c701c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:43, skipping insertion in model container [2022-12-13 13:18:43,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:43" (1/1) ... [2022-12-13 13:18:43,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:18:43,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:18:43,814 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:18:44,116 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:18:44,120 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:44,121 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:44,122 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:44,123 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:44,139 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:18:44,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:44,150 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:18:44,162 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:18:44,194 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:18:44,195 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:44,196 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:18:44,198 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:44,198 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:18:44,202 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:18:44,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:44,273 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:18:44,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44 WrapperNode [2022-12-13 13:18:44,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:44,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:44,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:18:44,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:18:44,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,310 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-12-13 13:18:44,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:44,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:18:44,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:18:44,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:18:44,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:18:44,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:18:44,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:18:44,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:18:44,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (1/1) ... [2022-12-13 13:18:44,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:18:44,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:44,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:44,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:18:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:18:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:18:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 13:18:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:18:44,505 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:18:44,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:18:44,637 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:18:44,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:18:44,643 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:18:44,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:44 BoogieIcfgContainer [2022-12-13 13:18:44,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:18:44,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:18:44,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:18:44,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:18:44,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:18:43" (1/3) ... [2022-12-13 13:18:44,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592eb628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:18:44, skipping insertion in model container [2022-12-13 13:18:44,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:44" (2/3) ... [2022-12-13 13:18:44,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592eb628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:18:44, skipping insertion in model container [2022-12-13 13:18:44,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:44" (3/3) ... [2022-12-13 13:18:44,652 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2022-12-13 13:18:44,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:18:44,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:18:44,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:18:44,705 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;@ef2d9ed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:18:44,705 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:18:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 13:18:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:18:44,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:18:44,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:44,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:18:44,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:44,718 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 13:18:44,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:18:44,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304508831] [2022-12-13 13:18:44,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:44,732 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 13:18:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:18:44,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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 13:18:44,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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 13:18:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:44,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:44,920 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:18:44,922 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:18:44,923 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:18:44,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:18:44,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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 13:18:45,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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 13:18:45,130 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:18:45,134 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:18:45,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:18:45 BoogieIcfgContainer [2022-12-13 13:18:45,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:18:45,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:18:45,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:18:45,157 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:18:45,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:44" (3/4) ... [2022-12-13 13:18:45,159 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:18:45,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:18:45,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:18:45,203 INFO L158 Benchmark]: Toolchain (without parser) took 1701.88ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.1MB in the beginning and 66.2MB in the end (delta: -10.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,203 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:18:45,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.56ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 38.5MB in the end (delta: 17.4MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.22ms. Allocated memory is still 81.8MB. Free memory was 38.5MB in the beginning and 35.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,205 INFO L158 Benchmark]: Boogie Preprocessor took 21.02ms. Allocated memory is still 81.8MB. Free memory was 35.3MB in the beginning and 33.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,206 INFO L158 Benchmark]: RCFGBuilder took 312.22ms. Allocated memory is still 81.8MB. Free memory was 33.2MB in the beginning and 44.9MB in the end (delta: -11.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,206 INFO L158 Benchmark]: TraceAbstraction took 509.59ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 68.3MB in the end (delta: -24.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,207 INFO L158 Benchmark]: Witness Printer took 44.51ms. Allocated memory is still 98.6MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.56ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 38.5MB in the end (delta: 17.4MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.22ms. Allocated memory is still 81.8MB. Free memory was 38.5MB in the beginning and 35.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.02ms. Allocated memory is still 81.8MB. Free memory was 35.3MB in the beginning and 33.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.22ms. Allocated memory is still 81.8MB. Free memory was 33.2MB in the beginning and 44.9MB in the end (delta: -11.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * TraceAbstraction took 509.59ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 68.3MB in the end (delta: -24.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 44.51ms. Allocated memory is still 98.6MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1562]: 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, data={5:0}, dataPtr1={5:0}, dataPtr2={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()=32767, rand()=1, rand()=32767, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [data=-2147483648, data={5:0}, data=-2147483648, dataPtr1={5:0}, dataPtr2={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: 1562]: 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, 21 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=21occurred 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 13:18:45,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c417346-e07f-4afa-9113-2e0badc4626b/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)