./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_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_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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_a116faff-8ca8-4f7c-88d3-9bd414117033/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- 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 21:49:14,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:49:14,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:49:14,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:49:14,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:49:14,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:49:14,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:49:14,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:49:14,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:49:14,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:49:14,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:49:14,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:49:14,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:49:14,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:49:14,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:49:14,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:49:14,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:49:14,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:49:14,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:49:14,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:49:14,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:49:14,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:49:14,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:49:14,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:49:14,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:49:14,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:49:14,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:49:14,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:49:14,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:49:14,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:49:14,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:49:14,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:49:14,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:49:14,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:49:14,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:49:14,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:49:14,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:49:14,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:49:14,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:49:14,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:49:14,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:49:14,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 21:49:14,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:49:14,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:49:14,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:49:14,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:49:14,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:49:14,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:49:14,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:49:14,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:49:14,853 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:49:14,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:49:14,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:49:14,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:49:14,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:49:14,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:49:14,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:49:14,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:49:14,854 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:49:14,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:49:14,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:49:14,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:49:14,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:49:14,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:49:14,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:49:14,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:49:14,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:49:14,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:49:14,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:49:14,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:49:14,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:49:14,856 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:49:14,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:49:14,856 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:49:14,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:49:14,857 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:49:14,857 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_a116faff-8ca8-4f7c-88d3-9bd414117033/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2022-12-13 21:49:15,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:49:15,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:49:15,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:49:15,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:49:15,075 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:49:15,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2022-12-13 21:49:17,766 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:49:18,030 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:49:18,030 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2022-12-13 21:49:18,050 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data/305729b8d/0ae6108f31b94d2e995c24da3a672719/FLAG856e5cf5c [2022-12-13 21:49:18,063 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data/305729b8d/0ae6108f31b94d2e995c24da3a672719 [2022-12-13 21:49:18,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:49:18,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:49:18,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:49:18,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:49:18,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:49:18,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:18,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb449f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18, skipping insertion in model container [2022-12-13 21:49:18,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:18,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:49:18,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:49:18,395 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:49:18,706 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:49:18,711 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:18,713 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:18,716 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:18,716 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:18,737 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:49:18,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:49:18,748 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:49:18,763 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:49:18,802 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:49:18,803 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:18,804 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:18,806 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:18,807 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:18,812 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:49:18,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:49:18,970 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:49:18,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18 WrapperNode [2022-12-13 21:49:18,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:49:18,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:49:18,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:49:18,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:49:18,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,025 INFO L138 Inliner]: procedures = 500, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2022-12-13 21:49:19,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:49:19,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:49:19,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:49:19,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:49:19,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:49:19,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:49:19,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:49:19,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:49:19,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (1/1) ... [2022-12-13 21:49:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:49:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:49:19,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:49:19,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:49:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:49:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:49:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:49:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:49:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:49:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:49:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:49:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:49:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:49:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:49:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:49:19,223 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:49:19,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:49:19,352 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:49:19,358 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:49:19,359 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:49:19,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:49:19 BoogieIcfgContainer [2022-12-13 21:49:19,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:49:19,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:49:19,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:49:19,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:49:19,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:49:18" (1/3) ... [2022-12-13 21:49:19,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15979bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:49:19, skipping insertion in model container [2022-12-13 21:49:19,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:18" (2/3) ... [2022-12-13 21:49:19,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15979bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:49:19, skipping insertion in model container [2022-12-13 21:49:19,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:49:19" (3/3) ... [2022-12-13 21:49:19,369 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2022-12-13 21:49:19,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:49:19,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:49:19,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:49:19,441 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;@6beab57f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:49:19,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:49:19,445 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 21:49:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 21:49:19,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:49:19,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:49:19,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:49:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:49:19,456 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 21:49:19,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:49:19,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960880200] [2022-12-13 21:49:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:49:19,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:49:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:49:19,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:49:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:49:19,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:49:19,661 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:49:19,662 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:49:19,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:49:19,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:49:19,667 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 21:49:19,671 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:49:19,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:49:19 BoogieIcfgContainer [2022-12-13 21:49:19,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:49:19,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:49:19,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:49:19,689 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:49:19,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:49:19" (3/4) ... [2022-12-13 21:49:19,692 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:49:19,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:49:19,693 INFO L158 Benchmark]: Toolchain (without parser) took 1625.41ms. Allocated memory was 119.5MB in the beginning and 203.4MB in the end (delta: 83.9MB). Free memory was 81.5MB in the beginning and 103.3MB in the end (delta: -21.8MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-12-13 21:49:19,693 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:49:19,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.99ms. Allocated memory was 119.5MB in the beginning and 203.4MB in the end (delta: 83.9MB). Free memory was 81.2MB in the beginning and 145.3MB in the end (delta: -64.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-12-13 21:49:19,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.20ms. Allocated memory is still 203.4MB. Free memory was 145.3MB in the beginning and 142.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:49:19,694 INFO L158 Benchmark]: Boogie Preprocessor took 28.24ms. Allocated memory is still 203.4MB. Free memory was 142.0MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:49:19,694 INFO L158 Benchmark]: RCFGBuilder took 305.56ms. Allocated memory is still 203.4MB. Free memory was 140.0MB in the beginning and 125.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:49:19,695 INFO L158 Benchmark]: TraceAbstraction took 324.97ms. Allocated memory is still 203.4MB. Free memory was 124.3MB in the beginning and 103.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 21:49:19,695 INFO L158 Benchmark]: Witness Printer took 3.11ms. Allocated memory is still 203.4MB. Free memory was 103.3MB in the beginning and 103.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:49:19,697 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 119.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.99ms. Allocated memory was 119.5MB in the beginning and 203.4MB in the end (delta: 83.9MB). Free memory was 81.2MB in the beginning and 145.3MB in the end (delta: -64.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.20ms. Allocated memory is still 203.4MB. Free memory was 145.3MB in the beginning and 142.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.24ms. Allocated memory is still 203.4MB. Free memory was 142.0MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.56ms. Allocated memory is still 203.4MB. Free memory was 140.0MB in the beginning and 125.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 324.97ms. Allocated memory is still 203.4MB. Free memory was 124.3MB in the beginning and 103.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.11ms. Allocated memory is still 203.4MB. Free memory was 103.3MB in the beginning and 103.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. 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] [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, argv={2147483650:2147483654}, argv={2147483650:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={6:0}, rand()=1, rand()=65535, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={5:0}, unknown-#in~myStruct!structFirst-unknown=-2147483648] - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 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=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 21:49:19,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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_a116faff-8ca8-4f7c-88d3-9bd414117033/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- 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 21:49:21,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:49:21,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:49:21,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:49:21,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:49:21,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:49:21,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:49:21,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:49:21,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:49:21,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:49:21,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:49:21,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:49:21,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:49:21,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:49:21,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:49:21,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:49:21,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:49:21,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:49:21,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:49:21,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:49:21,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:49:21,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:49:21,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:49:21,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:49:21,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:49:21,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:49:21,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:49:21,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:49:21,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:49:21,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:49:21,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:49:21,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:49:21,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:49:21,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:49:21,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:49:21,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:49:21,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:49:21,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:49:21,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:49:21,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:49:21,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:49:21,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 21:49:21,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:49:21,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:49:21,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:49:21,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:49:21,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:49:21,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:49:21,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:49:21,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:49:21,418 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:49:21,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:49:21,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:49:21,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:49:21,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:49:21,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:49:21,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:49:21,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:49:21,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:49:21,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:49:21,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:49:21,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:49:21,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:49:21,421 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:49:21,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:49:21,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:49:21,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:49:21,426 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:49:21,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:49:21,426 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:49:21,426 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:49:21,427 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_a116faff-8ca8-4f7c-88d3-9bd414117033/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2022-12-13 21:49:21,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:49:21,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:49:21,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:49:21,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:49:21,667 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:49:21,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2022-12-13 21:49:24,334 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:49:24,551 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:49:24,551 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2022-12-13 21:49:24,564 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data/5d2a98abb/400e5acba1424af1aa457a5aec0025ee/FLAG4e67c4960 [2022-12-13 21:49:24,575 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/data/5d2a98abb/400e5acba1424af1aa457a5aec0025ee [2022-12-13 21:49:24,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:49:24,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:49:24,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:49:24,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:49:24,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:49:24,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:49:24" (1/1) ... [2022-12-13 21:49:24,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2119e9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:24, skipping insertion in model container [2022-12-13 21:49:24,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:49:24" (1/1) ... [2022-12-13 21:49:24,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:49:24,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:49:24,845 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:49:25,118 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:49:25,123 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:25,125 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:25,126 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:25,127 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:25,143 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:49:25,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:49:25,156 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:49:25,169 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:49:25,202 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:49:25,203 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:25,204 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:49:25,205 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:25,206 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:49:25,209 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:49:25,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:49:25,305 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:49:25,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25 WrapperNode [2022-12-13 21:49:25,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:49:25,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:49:25,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:49:25,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:49:25,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,353 INFO L138 Inliner]: procedures = 505, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2022-12-13 21:49:25,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:49:25,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:49:25,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:49:25,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:49:25,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:49:25,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:49:25,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:49:25,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:49:25,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (1/1) ... [2022-12-13 21:49:25,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:49:25,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:49:25,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:49:25,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:49:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:49:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:49:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:49:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:49:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:49:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:49:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:49:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 21:49:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:49:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 21:49:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:49:25,558 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:49:25,560 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:49:25,690 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:49:25,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:49:25,695 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:49:25,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:49:25 BoogieIcfgContainer [2022-12-13 21:49:25,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:49:25,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:49:25,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:49:25,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:49:25,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:49:24" (1/3) ... [2022-12-13 21:49:25,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7783d11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:49:25, skipping insertion in model container [2022-12-13 21:49:25,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:49:25" (2/3) ... [2022-12-13 21:49:25,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7783d11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:49:25, skipping insertion in model container [2022-12-13 21:49:25,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:49:25" (3/3) ... [2022-12-13 21:49:25,702 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2022-12-13 21:49:25,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:49:25,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:49:25,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:49:25,755 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;@64cc5dc6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:49:25,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:49:25,758 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 21:49:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 21:49:25,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:49:25,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:49:25,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:49:25,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:49:25,769 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 21:49:25,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:49:25,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055222781] [2022-12-13 21:49:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:49:25,782 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 21:49:25,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:49:25,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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 21:49:25,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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 21:49:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:49:25,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:49:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:49:26,000 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:49:26,002 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:49:26,003 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:49:26,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:49:26,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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 21:49:26,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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 21:49:26,210 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 21:49:26,215 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:49:26,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:49:26 BoogieIcfgContainer [2022-12-13 21:49:26,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:49:26,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:49:26,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:49:26,238 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:49:26,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:49:25" (3/4) ... [2022-12-13 21:49:26,240 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 21:49:26,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:49:26,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:49:26,289 INFO L158 Benchmark]: Toolchain (without parser) took 1711.24ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.7MB in the beginning and 58.5MB in the end (delta: -8.8MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-12-13 21:49:26,289 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:49:26,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.80ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.5MB in the beginning and 50.8MB in the end (delta: -1.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-12-13 21:49:26,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.68ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:49:26,291 INFO L158 Benchmark]: Boogie Preprocessor took 22.28ms. Allocated memory is still 88.1MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:49:26,291 INFO L158 Benchmark]: RCFGBuilder took 319.51ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 51.9MB in the end (delta: -6.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-12-13 21:49:26,292 INFO L158 Benchmark]: TraceAbstraction took 539.54ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 33.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:49:26,292 INFO L158 Benchmark]: Witness Printer took 50.37ms. Allocated memory is still 88.1MB. Free memory was 33.1MB in the beginning and 58.5MB in the end (delta: -25.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:49:26,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.80ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.5MB in the beginning and 50.8MB in the end (delta: -1.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.68ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.28ms. Allocated memory is still 88.1MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.51ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 51.9MB in the end (delta: -6.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * TraceAbstraction took 539.54ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 33.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 50.37ms. Allocated memory is still 88.1MB. Free memory was 33.1MB in the beginning and 58.5MB in the end (delta: -25.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1573]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={5:0}, rand()=0, rand()=0, rand()=32767, rand()=65535, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={7:0}, unknown-#in~myStruct!structFirst-unknown=-2147483648] - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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 21:49:26,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116faff-8ca8-4f7c-88d3-9bd414117033/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)