./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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 e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:20:26,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:20:26,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:20:26,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:20:26,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:20:26,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:20:26,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:20:26,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:20:26,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:20:26,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:20:26,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:20:26,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:20:26,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:20:26,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:20:26,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:20:26,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:20:26,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:20:26,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:20:26,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:20:26,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:20:26,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:20:26,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:20:26,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:20:26,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:20:26,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:20:26,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:20:26,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:20:26,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:20:26,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:20:26,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:20:26,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:20:26,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:20:26,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:20:26,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:20:26,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:20:26,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:20:26,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:20:26,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:20:26,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:20:26,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:20:26,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:20:26,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 21:20:26,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:20:26,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:20:26,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:20:26,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:20:26,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:20:26,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:20:26,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:20:26,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:20:26,923 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:20:26,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:20:26,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:20:26,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:20:26,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:20:26,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:20:26,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:20:26,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:20:26,924 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:20:26,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:20:26,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:20:26,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:20:26,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:20:26,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:20:26,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:20:26,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:20:26,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:20:26,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:20:26,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:20:26,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:20:26,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:20:26,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:20:26,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:20:26,926 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:20:26,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:20:26,927 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:20:26,927 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_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c [2022-12-13 21:20:27,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:20:27,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:20:27,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:20:27,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:20:27,128 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:20:27,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-13 21:20:29,661 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:20:29,902 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:20:29,903 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-13 21:20:29,916 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data/9676ac6a5/d2bd952f5e2c47549500beb410070843/FLAG3a0f05d09 [2022-12-13 21:20:30,214 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data/9676ac6a5/d2bd952f5e2c47549500beb410070843 [2022-12-13 21:20:30,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:20:30,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:20:30,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:20:30,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:20:30,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:20:30,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:20:30" (1/1) ... [2022-12-13 21:20:30,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43fd031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:30, skipping insertion in model container [2022-12-13 21:20:30,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:20:30" (1/1) ... [2022-12-13 21:20:30,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:20:30,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:20:30,489 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:20:30,797 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:20:30,801 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:30,802 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:30,804 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:30,805 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:30,832 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:20:30,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:20:30,842 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:20:30,859 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:20:30,899 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:20:30,901 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:30,901 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:30,903 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:30,904 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:30,907 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:20:30,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:20:31,006 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:20:31,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31 WrapperNode [2022-12-13 21:20:31,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:20:31,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:20:31,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:20:31,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:20:31,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,046 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-13 21:20:31,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:20:31,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:20:31,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:20:31,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:20:31,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:20:31,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:20:31,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:20:31,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:20:31,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (1/1) ... [2022-12-13 21:20:31,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:20:31,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:20:31,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:20:31,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:20:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:20:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:20:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:20:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:20:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:20:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:20:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:20:31,219 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:20:31,221 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:20:31,337 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:20:31,342 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:20:31,342 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:20:31,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:20:31 BoogieIcfgContainer [2022-12-13 21:20:31,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:20:31,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:20:31,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:20:31,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:20:31,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:20:30" (1/3) ... [2022-12-13 21:20:31,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5309593d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:20:31, skipping insertion in model container [2022-12-13 21:20:31,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:31" (2/3) ... [2022-12-13 21:20:31,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5309593d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:20:31, skipping insertion in model container [2022-12-13 21:20:31,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:20:31" (3/3) ... [2022-12-13 21:20:31,353 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-13 21:20:31,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:20:31,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:20:31,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:20:31,408 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;@497c1ca4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:20:31,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:20:31,411 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 21:20:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 21:20:31,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:31,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:31,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:20:31,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:31,421 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 21:20:31,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:31,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251829188] [2022-12-13 21:20:31,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:31,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:31,623 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 21:20:31,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:31,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251829188] [2022-12-13 21:20:31,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251829188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:31,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:31,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:20:31,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108334281] [2022-12-13 21:20:31,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:31,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:20:31,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:31,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:20:31,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:20:31,651 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 21:20:31,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:31,675 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-12-13 21:20:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:20:31,677 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 21:20:31,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:31,681 INFO L225 Difference]: With dead ends: 30 [2022-12-13 21:20:31,681 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 21:20:31,683 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 21:20:31,686 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:31,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 45 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:20:31,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 21:20:31,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 21:20:31,707 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 21:20:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 21:20:31,708 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 21:20:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:31,709 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 21:20:31,709 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 21:20:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 21:20:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 21:20:31,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:31,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:31,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:20:31,710 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:20:31,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:31,710 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 21:20:31,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:31,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544709476] [2022-12-13 21:20:31,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:31,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:20:31,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:20:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:20:31,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:20:31,784 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:20:31,785 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:20:31,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:20:31,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:20:31,789 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:20:31,792 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:20:31,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:20:31 BoogieIcfgContainer [2022-12-13 21:20:31,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:20:31,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:20:31,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:20:31,810 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:20:31,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:20:31" (3/4) ... [2022-12-13 21:20:31,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:20:31,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:20:31,813 INFO L158 Benchmark]: Toolchain (without parser) took 1596.60ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 109.4MB in the beginning and 75.4MB in the end (delta: 34.0MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-12-13 21:20:31,813 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:20:31,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.08ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 109.4MB in the beginning and 132.0MB in the end (delta: -22.6MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2022-12-13 21:20:31,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.39ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 128.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:20:31,814 INFO L158 Benchmark]: Boogie Preprocessor took 17.96ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 962.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:20:31,815 INFO L158 Benchmark]: RCFGBuilder took 279.00ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 114.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:20:31,815 INFO L158 Benchmark]: TraceAbstraction took 462.45ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 76.4MB in the end (delta: 36.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 21:20:31,815 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 172.0MB. Free memory was 76.4MB in the beginning and 75.4MB in the end (delta: 961.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:20:31,817 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 142.6MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.08ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 109.4MB in the beginning and 132.0MB in the end (delta: -22.6MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.39ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 128.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.96ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 962.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.00ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 114.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 462.45ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 76.4MB in the end (delta: 36.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 172.0MB. Free memory was 76.4MB in the beginning and 75.4MB in the end (delta: 961.7kB). 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1564, overapproximation of bitwiseAnd at line 1564. 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] static int CWE190_Integer_Overflow__int_rand_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData; VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147516419, argc=2147516419, argv={2147516417:2147516420}, argv={2147516417:2147516420}, CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=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()=65537, rand()=2, rand()=2147483647, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE190_Integer_Overflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_rand_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, 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] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, 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] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 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, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 5 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, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 21:20:31,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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 e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:20:33,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:20:33,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:20:33,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:20:33,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:20:33,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:20:33,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:20:33,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:20:33,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:20:33,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:20:33,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:20:33,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:20:33,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:20:33,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:20:33,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:20:33,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:20:33,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:20:33,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:20:33,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:20:33,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:20:33,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:20:33,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:20:33,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:20:33,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:20:33,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:20:33,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:20:33,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:20:33,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:20:33,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:20:33,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:20:33,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:20:33,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:20:33,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:20:33,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:20:33,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:20:33,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:20:33,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:20:33,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:20:33,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:20:33,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:20:33,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:20:33,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 21:20:33,682 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:20:33,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:20:33,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:20:33,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:20:33,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:20:33,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:20:33,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:20:33,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:20:33,685 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:20:33,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:20:33,685 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:20:33,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:20:33,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:20:33,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:20:33,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:20:33,686 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:20:33,686 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:20:33,686 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:20:33,686 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:20:33,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:20:33,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:20:33,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:20:33,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:20:33,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:20:33,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:20:33,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:20:33,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:20:33,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:20:33,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:20:33,688 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:20:33,688 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:20:33,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:20:33,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:20:33,689 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:20:33,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:20:33,689 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:20:33,689 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:20:33,690 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_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c [2022-12-13 21:20:33,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:20:33,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:20:33,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:20:33,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:20:33,926 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:20:33,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-13 21:20:36,465 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:20:36,726 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:20:36,726 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-13 21:20:36,744 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data/522dc5d09/a2a3de8732b94463bc235ad9349e8d29/FLAGcd1715459 [2022-12-13 21:20:36,758 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/data/522dc5d09/a2a3de8732b94463bc235ad9349e8d29 [2022-12-13 21:20:36,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:20:36,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:20:36,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:20:36,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:20:36,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:20:36,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:20:36" (1/1) ... [2022-12-13 21:20:36,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:36, skipping insertion in model container [2022-12-13 21:20:36,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:20:36" (1/1) ... [2022-12-13 21:20:36,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:20:36,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:20:37,108 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:20:37,464 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:20:37,469 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:37,471 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:37,473 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:37,474 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:37,497 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:20:37,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:20:37,512 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:20:37,532 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:20:37,592 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:20:37,594 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:37,595 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:20:37,597 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:37,598 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:20:37,603 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:20:37,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:20:37,720 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:20:37,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37 WrapperNode [2022-12-13 21:20:37,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:20:37,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:20:37,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:20:37,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:20:37,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,771 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-13 21:20:37,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:20:37,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:20:37,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:20:37,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:20:37,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:20:37,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:20:37,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:20:37,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:20:37,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (1/1) ... [2022-12-13 21:20:37,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:20:37,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:20:37,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:20:37,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:20:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:20:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:20:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:20:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:20:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:20:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:20:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:20:37,972 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:20:37,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:20:38,082 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:20:38,089 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:20:38,089 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:20:38,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:20:38 BoogieIcfgContainer [2022-12-13 21:20:38,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:20:38,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:20:38,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:20:38,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:20:38,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:20:36" (1/3) ... [2022-12-13 21:20:38,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fe21c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:20:38, skipping insertion in model container [2022-12-13 21:20:38,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:20:37" (2/3) ... [2022-12-13 21:20:38,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fe21c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:20:38, skipping insertion in model container [2022-12-13 21:20:38,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:20:38" (3/3) ... [2022-12-13 21:20:38,100 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-13 21:20:38,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:20:38,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:20:38,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:20:38,172 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;@dc6cf4d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:20:38,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:20:38,176 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 21:20:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 21:20:38,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:38,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:38,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:20:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 21:20:38,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:20:38,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271570390] [2022-12-13 21:20:38,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:38,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:20:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:20:38,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:20:38,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 21:20:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:38,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:20:38,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:20:38,332 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 21:20:38,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:20:38,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:20:38,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271570390] [2022-12-13 21:20:38,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271570390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:38,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:38,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:20:38,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854077599] [2022-12-13 21:20:38,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:38,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:20:38,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:20:38,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:20:38,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:20:38,361 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 21:20:38,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:38,386 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-12-13 21:20:38,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:20:38,388 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 21:20:38,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:38,393 INFO L225 Difference]: With dead ends: 30 [2022-12-13 21:20:38,393 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 21:20:38,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 21:20:38,397 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:38,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:20:38,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 21:20:38,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 21:20:38,421 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 21:20:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 21:20:38,422 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 21:20:38,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:38,423 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 21:20:38,423 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 21:20:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 21:20:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 21:20:38,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:38,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:38,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:20:38,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:20:38,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:20:38,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:38,625 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 21:20:38,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:20:38,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127939439] [2022-12-13 21:20:38,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:38,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:20:38,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:20:38,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:20:38,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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 21:20:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:20:38,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:20:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:20:38,811 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:20:38,811 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:20:38,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:20:38,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:20:38,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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)] Forceful destruction successful, exit code 0 [2022-12-13 21:20:39,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:20:39,024 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:20:39,036 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:20:39,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:20:39 BoogieIcfgContainer [2022-12-13 21:20:39,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:20:39,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:20:39,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:20:39,104 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:20:39,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:20:38" (3/4) ... [2022-12-13 21:20:39,106 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 21:20:39,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:20:39,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:20:39,145 INFO L158 Benchmark]: Toolchain (without parser) took 2383.14ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 66.8MB in the beginning and 58.4MB in the end (delta: 8.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-13 21:20:39,146 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 144.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:20:39,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 958.00ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 66.8MB in the beginning and 76.0MB in the end (delta: -9.2MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-12-13 21:20:39,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.15ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:20:39,147 INFO L158 Benchmark]: Boogie Preprocessor took 31.46ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 71.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:20:39,147 INFO L158 Benchmark]: RCFGBuilder took 287.32ms. Allocated memory is still 111.1MB. Free memory was 70.9MB in the beginning and 57.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:20:39,148 INFO L158 Benchmark]: TraceAbstraction took 1009.88ms. Allocated memory is still 111.1MB. Free memory was 56.6MB in the beginning and 61.2MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:20:39,148 INFO L158 Benchmark]: Witness Printer took 40.66ms. Allocated memory is still 111.1MB. Free memory was 61.2MB in the beginning and 58.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:20:39,151 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 was 71.0MB in the beginning and 70.9MB in the end (delta: 144.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 958.00ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 66.8MB in the beginning and 76.0MB in the end (delta: -9.2MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.15ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.46ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 71.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.32ms. Allocated memory is still 111.1MB. Free memory was 70.9MB in the beginning and 57.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1009.88ms. Allocated memory is still 111.1MB. Free memory was 56.6MB in the beginning and 61.2MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.66ms. Allocated memory is still 111.1MB. Free memory was 61.2MB in the beginning and 58.4MB in the end (delta: 2.8MB). 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: 1556]: 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] static int CWE190_Integer_Overflow__int_rand_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData; VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=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()=2, rand()=0, rand()=1073741822, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741825] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE190_Integer_Overflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_rand_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1556]: 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 2 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 21:20:39,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd1f1fa-67d9-403b-be89-41d8e5f5c3a1/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)