./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 547cca6484d315bcad760dbcd0f08c05055b6e25e9b3d92c4295014c412a041d --- 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 11:23:28,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:23:28,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:23:28,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:23:28,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:23:28,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:23:28,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:23:28,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:23:28,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:23:28,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:23:28,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:23:28,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:23:28,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:23:28,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:23:28,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:23:28,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:23:28,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:23:28,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:23:28,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:23:28,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:23:28,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:23:28,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:23:28,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:23:28,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:23:28,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:23:28,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:23:28,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:23:28,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:23:28,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:23:28,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:23:28,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:23:28,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:23:28,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:23:28,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:23:28,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:23:28,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:23:28,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:23:28,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:23:28,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:23:28,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:23:28,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:23:28,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 11:23:28,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:23:28,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:23:28,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:23:28,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:23:28,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:23:28,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:23:28,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:23:28,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:23:28,958 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:23:28,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:23:28,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:23:28,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:23:28,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:23:28,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:23:28,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:23:28,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:23:28,959 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:23:28,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:23:28,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:23:28,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:23:28,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:23:28,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:23:28,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:23:28,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:23:28,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:23:28,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:23:28,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:23:28,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:23:28,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:23:28,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:23:28,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:23:28,961 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:23:28,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:23:28,961 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:23:28,962 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_f4a9b18f-532e-4e80-acbb-22dd703dac10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 547cca6484d315bcad760dbcd0f08c05055b6e25e9b3d92c4295014c412a041d [2022-12-13 11:23:29,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:23:29,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:23:29,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:23:29,162 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:23:29,162 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:23:29,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_bad.i [2022-12-13 11:23:31,728 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:23:31,990 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:23:31,991 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_bad.i [2022-12-13 11:23:32,014 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data/4766419cd/f18afd83bd2b4dbd802f0723f60f4675/FLAGa918551cc [2022-12-13 11:23:32,025 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data/4766419cd/f18afd83bd2b4dbd802f0723f60f4675 [2022-12-13 11:23:32,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:23:32,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:23:32,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:23:32,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:23:32,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:23:32,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69556d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32, skipping insertion in model container [2022-12-13 11:23:32,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:23:32,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:23:32,380 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:23:32,650 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:23:32,653 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:32,655 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:32,657 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:32,657 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:32,674 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:23:32,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:23:32,683 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:23:32,696 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:23:32,725 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:23:32,727 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:32,728 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:32,730 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:32,730 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:32,733 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:23:32,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:23:32,850 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:23:32,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32 WrapperNode [2022-12-13 11:23:32,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:23:32,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:23:32,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:23:32,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:23:32,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,891 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 11:23:32,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:23:32,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:23:32,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:23:32,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:23:32,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:23:32,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:23:32,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:23:32,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:23:32,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (1/1) ... [2022-12-13 11:23:32,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:23:32,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:23:32,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:23:32,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:23:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:23:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:23:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:23:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:23:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:23:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:23:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:23:33,071 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:23:33,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:23:33,200 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:23:33,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:23:33,207 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:23:33,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:23:33 BoogieIcfgContainer [2022-12-13 11:23:33,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:23:33,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:23:33,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:23:33,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:23:33,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:23:32" (1/3) ... [2022-12-13 11:23:33,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379f6c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:23:33, skipping insertion in model container [2022-12-13 11:23:33,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:32" (2/3) ... [2022-12-13 11:23:33,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379f6c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:23:33, skipping insertion in model container [2022-12-13 11:23:33,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:23:33" (3/3) ... [2022-12-13 11:23:33,217 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_22_bad.i [2022-12-13 11:23:33,236 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:23:33,236 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 11:23:33,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:23:33,274 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;@f12ecf7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:23:33,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 11:23:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:23:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 11:23:33,283 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:33,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:33,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:23:33,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:33,287 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 11:23:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:23:33,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465106423] [2022-12-13 11:23:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:33,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:23:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:23:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:23:33,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:23:33,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465106423] [2022-12-13 11:23:33,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465106423] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:23:33,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:23:33,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:23:33,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54022687] [2022-12-13 11:23:33,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:23:33,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:23:33,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:23:33,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:23:33,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:23:33,691 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:23:33,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:23:33,715 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 11:23:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:23:33,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 11:23:33,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:23:33,724 INFO L225 Difference]: With dead ends: 23 [2022-12-13 11:23:33,724 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 11:23:33,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:23:33,730 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:23:33,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 34 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:23:33,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 11:23:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 11:23:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:23:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 11:23:33,754 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 11:23:33,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:23:33,755 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 11:23:33,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:23:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 11:23:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 11:23:33,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:33,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:33,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:23:33,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:23:33,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:33,757 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 11:23:33,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:23:33,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98236514] [2022-12-13 11:23:33,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:23:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:23:33,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:23:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:23:33,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:23:33,831 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:23:33,833 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 11:23:33,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 11:23:33,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:23:33,838 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:23:33,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:23:33,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:23:33 BoogieIcfgContainer [2022-12-13 11:23:33,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:23:33,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:23:33,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:23:33,867 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:23:33,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:23:33" (3/4) ... [2022-12-13 11:23:33,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:23:33,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:23:33,871 INFO L158 Benchmark]: Toolchain (without parser) took 1842.88ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 69.8MB in the end (delta: 30.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-12-13 11:23:33,871 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:23:33,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.14ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 81.8MB in the end (delta: 18.5MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-12-13 11:23:33,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.87ms. Allocated memory is still 132.1MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:23:33,873 INFO L158 Benchmark]: Boogie Preprocessor took 17.31ms. Allocated memory is still 132.1MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:23:33,873 INFO L158 Benchmark]: RCFGBuilder took 299.30ms. Allocated memory is still 132.1MB. Free memory was 76.9MB in the beginning and 63.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:23:33,874 INFO L158 Benchmark]: TraceAbstraction took 655.37ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 69.8MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:23:33,874 INFO L158 Benchmark]: Witness Printer took 3.38ms. Allocated memory is still 132.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:23:33,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.14ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 81.8MB in the end (delta: 18.5MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.87ms. Allocated memory is still 132.1MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.31ms. Allocated memory is still 132.1MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.30ms. Allocated memory is still 132.1MB. Free memory was 76.9MB in the beginning and 63.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 655.37ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 69.8MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.38ms. Allocated memory is still 132.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_preinc_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1, rand()=32769, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_preinc_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal) VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=1, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] ++data VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=1, data=2147483647, 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 11:23:33,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 547cca6484d315bcad760dbcd0f08c05055b6e25e9b3d92c4295014c412a041d --- 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 11:23:35,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:23:35,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:23:35,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:23:35,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:23:35,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:23:35,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:23:35,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:23:35,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:23:35,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:23:35,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:23:35,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:23:35,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:23:35,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:23:35,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:23:35,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:23:35,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:23:35,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:23:35,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:23:35,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:23:35,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:23:35,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:23:35,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:23:35,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:23:35,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:23:35,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:23:35,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:23:35,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:23:35,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:23:35,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:23:35,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:23:35,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:23:35,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:23:35,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:23:35,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:23:35,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:23:35,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:23:35,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:23:35,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:23:35,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:23:35,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:23:35,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 11:23:35,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:23:35,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:23:35,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:23:35,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:23:35,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:23:35,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:23:35,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:23:35,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:23:35,577 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:23:35,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:23:35,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:23:35,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:23:35,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:23:35,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:23:35,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:23:35,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 11:23:35,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 11:23:35,578 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:23:35,579 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 11:23:35,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:23:35,579 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:23:35,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:23:35,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:23:35,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:23:35,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:23:35,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:23:35,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:23:35,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:23:35,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:23:35,580 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 11:23:35,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 11:23:35,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:23:35,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:23:35,581 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:23:35,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:23:35,581 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 11:23:35,582 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:23:35,582 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_f4a9b18f-532e-4e80-acbb-22dd703dac10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 547cca6484d315bcad760dbcd0f08c05055b6e25e9b3d92c4295014c412a041d [2022-12-13 11:23:35,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:23:35,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:23:35,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:23:35,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:23:35,802 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:23:35,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_bad.i [2022-12-13 11:23:38,343 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:23:38,603 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:23:38,604 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_bad.i [2022-12-13 11:23:38,617 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data/465a58f89/71e9f8b33c3b4ce3896ac836297a8bf6/FLAG59017a6cb [2022-12-13 11:23:38,631 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/data/465a58f89/71e9f8b33c3b4ce3896ac836297a8bf6 [2022-12-13 11:23:38,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:23:38,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:23:38,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:23:38,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:23:38,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:23:38,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:23:38" (1/1) ... [2022-12-13 11:23:38,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d32f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:38, skipping insertion in model container [2022-12-13 11:23:38,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:23:38" (1/1) ... [2022-12-13 11:23:38,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:23:38,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:23:38,944 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:23:39,264 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:23:39,269 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:39,271 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:39,273 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:39,273 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:39,295 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:23:39,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:23:39,308 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:23:39,321 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:23:39,354 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:23:39,356 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:39,357 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:23:39,359 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:39,360 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:23:39,364 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:23:39,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:23:39,464 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:23:39,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39 WrapperNode [2022-12-13 11:23:39,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:23:39,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:23:39,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:23:39,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:23:39,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,511 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 11:23:39,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:23:39,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:23:39,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:23:39,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:23:39,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,529 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:23:39,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:23:39,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:23:39,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:23:39,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (1/1) ... [2022-12-13 11:23:39,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:23:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:23:39,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:23:39,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:23:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:23:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:23:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 11:23:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:23:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:23:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:23:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:23:39,708 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:23:39,709 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:23:39,821 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:23:39,826 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:23:39,826 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:23:39,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:23:39 BoogieIcfgContainer [2022-12-13 11:23:39,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:23:39,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:23:39,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:23:39,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:23:39,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:23:38" (1/3) ... [2022-12-13 11:23:39,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c278eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:23:39, skipping insertion in model container [2022-12-13 11:23:39,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:23:39" (2/3) ... [2022-12-13 11:23:39,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c278eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:23:39, skipping insertion in model container [2022-12-13 11:23:39,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:23:39" (3/3) ... [2022-12-13 11:23:39,836 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_22_bad.i [2022-12-13 11:23:39,852 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:23:39,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 11:23:39,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:23:39,892 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;@f9173fb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:23:39,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 11:23:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:23:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 11:23:39,902 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:39,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:39,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:23:39,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:39,908 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 11:23:39,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:23:39,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450689271] [2022-12-13 11:23:39,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:39,921 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 11:23:39,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:23:39,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 11:23:39,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 11:23:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:40,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 11:23:40,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:23:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:23:40,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:23:40,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:23:40,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450689271] [2022-12-13 11:23:40,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450689271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:23:40,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:23:40,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:23:40,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487258659] [2022-12-13 11:23:40,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:23:40,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:23:40,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:23:40,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:23:40,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:23:40,064 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:23:40,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:23:40,077 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 11:23:40,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:23:40,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 11:23:40,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:23:40,086 INFO L225 Difference]: With dead ends: 23 [2022-12-13 11:23:40,086 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 11:23:40,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:23:40,090 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:23:40,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:23:40,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 11:23:40,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 11:23:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:23:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 11:23:40,113 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 11:23:40,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:23:40,113 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 11:23:40,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:23:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 11:23:40,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 11:23:40,114 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:40,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:40,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 11:23:40,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 11:23:40,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:23:40,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:40,318 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 11:23:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:23:40,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863055121] [2022-12-13 11:23:40,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:40,320 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 11:23:40,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:23:40,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 11:23:40,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 (3)] Waiting until timeout for monitored process [2022-12-13 11:23:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:23:40,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:23:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:23:40,535 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 11:23:40,535 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:23:40,537 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 11:23:40,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 11:23:40,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 (3)] Ended with exit code 0 [2022-12-13 11:23:40,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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 11:23:40,745 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:23:40,752 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:23:40,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:23:40 BoogieIcfgContainer [2022-12-13 11:23:40,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:23:40,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:23:40,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:23:40,815 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:23:40,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:23:39" (3/4) ... [2022-12-13 11:23:40,818 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 11:23:40,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:23:40,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:23:40,854 INFO L158 Benchmark]: Toolchain (without parser) took 2218.87ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.6MB in the beginning and 45.4MB in the end (delta: 3.2MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-12-13 11:23:40,854 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:23:40,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.69ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.4MB in the beginning and 47.1MB in the end (delta: 1.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-12-13 11:23:40,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.31ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 43.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:23:40,855 INFO L158 Benchmark]: Boogie Preprocessor took 21.37ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:23:40,856 INFO L158 Benchmark]: RCFGBuilder took 294.40ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 50.2MB in the end (delta: -8.6MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-12-13 11:23:40,856 INFO L158 Benchmark]: TraceAbstraction took 983.34ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 47.5MB in the end (delta: 2.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-12-13 11:23:40,856 INFO L158 Benchmark]: Witness Printer took 39.33ms. Allocated memory is still 88.1MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:23:40,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.69ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.4MB in the beginning and 47.1MB in the end (delta: 1.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.31ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 43.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.37ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.40ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 50.2MB in the end (delta: -8.6MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * TraceAbstraction took 983.34ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 47.5MB in the end (delta: 2.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 39.33ms. Allocated memory is still 88.1MB. Free memory was 47.5MB in the beginning and 45.4MB 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: 1572]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_preinc_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=0, rand()=65536, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_preinc_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal) VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=1, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] ++data VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_preinc_22_badGlobal=1, data=2147483647, 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 11:23:40,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a9b18f-532e-4e80-acbb-22dd703dac10/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)